CINXE.COM

<!doctype html><html lang="en-GB-oxendict"> <head><meta charset="utf-8"><meta property="og:image" content="https://tc39.es/ecmarkup/ecma-logo.png"><meta property="og:title" content="ECMAScript® 2026 Language Specification"><meta property="og:description" content="Introduction This Ecma Standard defines the ECMAScript 2026 Language. It is the seventeenth edition of the ECMAScript Language Specification. Since publication of the first edition in 1997, ECMAScript has grown to be one of the world's most widely used general-purpose programming languages. It"> <link rel="icon" href="../img/favicon.ico"> <link rel="stylesheet" href="../assets/css/ecmarkup.css"><link rel="stylesheet" href="../assets/css/print.css" media="print"><style> .unicode-property-table { table-layout: fixed; width: 100%; font-size: 80%; } #metadata-block { margin: 4em 0; padding: 10px; border: 1px solid #ee8421; } #metadata-block h1 { font-size: 1.5em; margin-top: 0; } #metadata-block > ul { list-style-type: none; margin: 0; padding: 0; } #ecma-logo { width: 500px; } .corner-cell { position: relative; height: 2lh; } .corner-cell .slash { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(to bottom left, transparent calc(50% - 1px), gray, transparent calc(50% + 1px)); } .corner-cell > .column { position: absolute; bottom: 0.4em; left: 1em; } .corner-cell > .row { position: absolute; top: 0.4em; right: 1em; } </style> <style media="print"> /** * ECMA-262-specific hacks. Shouldn't require a ton of maintenance; audit if * visual inspection results in unexpected page breaks. */ /* 2.2 Examples of legacy/normative-optional are small enough to be aggressive against breaks */ #sec-conformance [example], /* 8.3.3 avoid breaking in small alg lists */ #sec-static-semantics-containsundefinedcontinuetarget li, /* 16.2.1.5.4 many tables */ #table-module-graph-cycle-async-fields-1 table, #table-module-graph-cycle-async-fields-9 table { break-inside: avoid-page; } /* 12.10.1 long note can break wherever it wants */ #sec-rules-of-automatic-semicolon-insertion > emu-note { break-before: initial; break-inside: initial; } /* 12.10.2, 12.10.3, 12.10.3.2 Sections start with an not inside a */ #sec-examples-of-automatic-semicolon-insertion > em, #sec-interesting-cases-of-automatic-semicolon-insertion > em, #sec-asi-cases-with-no-lineterminator-here > em { display: block; margin-top: 1.25ex; } /* 15.1.2 bad spacing between intro and first emu-grammar */ #sec-static-semantics-containsexpression > emu-grammar:first-of-type { margin-top: 2ex; } /* 15.3 A very long term combined with inline-block, nowrap, and justified text resulting in weird punctuation */ #sec-arrow-function-definitions > p > emu-grammar { text-align: left; } /* 16.2.1.5.4 squish margins on graphics so table 46 fits on one page */ #sec-example-cyclic-module-record-graphs figure:has(> img), #sec-example-cyclic-module-record-graphs figure > img { margin: 0; } #sec-example-cyclic-module-record-graphs figure:has(> img) > figcaption { margin-bottom: 1ex; } #sec-example-cyclic-module-record-graphs emu-figure:has(> figure > img) + p { margin-top: 1ex; } /* 16.2.1.5.4 table 51 & 54 are too narrow for caption */ #table-module-graph-cycle-async-fields-6 table { width: 110mm; } #table-module-graph-cycle-async-fields-9 table { width: 135mm; } /* 20.1.3.7 legacy title */ #sec-object\.prototype\.__proto__ > .attributes-tag { break-before: avoid-page; break-after: avoid-page; } /* 21.4.1.22 Table 61 middle column is too narrow */ #table-time-zone-identifier-record-fields > figure > table th:nth-of-type(2) { width: 15%; } /* 21.4.4.41.2 These tables are way too narrow for their captions */ #sec-todatestring-day-names table, #sec-todatestring-month-names table { width: 100mm; } /* 27.2.6 squeeze to make more room for figure-2.svg */ #table-internal-slots-of-promise-instances > figure { margin-bottom: 0; } /* 27.3 fit generator objects relationships diagram */ #sec-generatorfunction-objects, #sec-generatorfunction-objects h1 { margin-top: 1.5ex; } /* 27.3 `figure-2.svg` is just a tiny bit too big to fit on the page, results in weird white space */ #figure-2 figure { margin: 1ex 0; } #figure-2 > figure > img { width: 97%; } /* 29.11 extremely long note */ #sec-shared-memory-guidelines > emu-note { break-inside: auto; } .unicode-property-table { table-layout: initial; width: auto; font-size: 90%; } .unicode-property-table th:first-of-type { width: 33%; } .corner-cell { background-image: url(data:image/svg+xml;base64,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); background-size: cover; height: 3em; padding: 0; vertical-align: inherit; position: static; } .corner-cell .slash { display: none; } .corner-cell > .column, .corner-cell > .row { display: block; position: relative; } .corner-cell > .row { text-align: right; top: -0.75em } .corner-cell > .column { text-align: left; bottom: -1.25em; } </style> <title>ECMAScript® 2026 Language Specification</title><script src="../assets/js/multipage.js?cache=Fczpn34f" defer=""></script><script src="../assets/js/ecmarkup.js?cache=oqyxJK3K" defer=""></script><style> @media print { @page :left { @bottom-right { content: '© Ecma International 2025'; } } @page :right { @bottom-left { content: '© Ecma International 2025'; } } @page :first { @bottom-left { content: ''; } @bottom-right { content: ''; } } @page :blank { @bottom-left { content: ''; } @bottom-right { content: ''; } } } </style><style> @import url("https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.0.1/styles/base16/solarized-light.min.css"); @import url("https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.0.1/styles/a11y-dark.min.css") (prefers-color-scheme: dark); </style><script src=".."> { let d = new Date; if (d.getMonth() === 3 && d.getDate() === 1) { let s = document.createElement('style'); s.id = 'bd75b99add5f'; s.innerHTML = atob("@media only screen and (prefers-color-scheme: light) {
  :root {
    --menu-header-background-color: rgba(139, 69, 19, 0.6);
    --control-input-background-color: transparent;
    --control-input-border-color: SaddleBrown;
    --control-border-color: SaddleBrown;
    --control-light-border-color: SaddleBrown;
    --note-background-color: #e9fbe950;
    --note-border-color: #52e05290;
    --normative-optional-background-color: #ffeedd50;
    --normative-optional-border-color: #ff660090;
    --production-rhs-background-color: #f0f0f080;

    /* https://background-tiles.com/overview/white/textures/large/5015.png */
    --texture: url(data:image/jpeg;base64,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);
    --control-background-color: repeat fixed var(--texture), rgb(139, 69, 19, 0.2);

    background:
      repeat fixed var(--texture),
      rgb(139, 69, 19, 0.6);
    background-blend-mode: color-burn;

    filter: sepia(35%);
  }
  h1, h2, h3, h4, h5, h6, #menu-pane-header {
    font-family: Papyrus, fantasy;
    font-style: normal;
    line-height: unset;
  }
  p, #menu-toc, #references-pane-table, emu-note {
    font-style: italic;
  }
  #spec-container {
    /* wavy edge generated using a tweaked version of https://css-generators.com/wavy-shapes/ */
    --mask:
      radial-gradient(229.97px at 258px 50%,#000 99%,#0000 101%) 0 calc(50% - 60px)/51% 120px repeat-y,
      radial-gradient(229.97px at -228px 50%,#0000 99%,#000 101%) 30px 50%/calc(51% - 30px) 120px repeat-y,
      radial-gradient(229.97px at calc(100% - 258px) 50%,#000 99%,#0000 101%) 100% calc(50% - 60px)/51% 120px repeat-y,
      radial-gradient(229.97px at calc(100% + 228px) 50%,#0000 99%,#000 101%) calc(100% - 30px) 50%/calc(51% - 30px) 120px repeat-y;
    mask: var(--mask);
    -webkit-mask: var(--mask);

    padding: 0 50px;
    background:
      /* https://background-tiles.com/overview/white/textures/large/5026.png */
      repeat url(data:image/jpeg;base64,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),
      repeating-linear-gradient(35deg, rgba(139, 69, 19, 0), rgba(139, 69, 19, 0.2), rgba(139, 69, 19, 0) 2500px),
      linear-gradient(90deg, rgba(139, 69, 19, 0.08) 0%, rgba(255, 255, 255, 0.25) 20%, rgba(255, 255, 255, 0.25) 80%, rgba(139, 69, 19, 0.08) 100%);
    background-blend-mode: color-burn;
  }
  #metadata-block {
    border: none;
  }
  emu-table th {
    background-color: var(--menu-header-background-color);
  }
  #references-pane-close::after, #menu-pins-list > li > .unpin, #menu-pins .unpin-all {
    color: SaddleBrown;
  }
  #menu, #menu-pins .unpin-all:hover, .toolbox, #references-pane-container, #shortcuts-help {
    background-blend-mode: color-burn;
  }
}
"); document.head.appendChild(s); } } </script></head> <body><div id="menu"><div id="menu-search"><input type="text" id="menu-search-box" placeholder="Search..."><div id="menu-search-results" class="inactive"></div></div><div id="menu-pins"><div class="menu-pane-header">Pins<button class="unpin-all">clear</button></div><ul id="menu-pins-list"></ul></div><div class="menu-pane-header">Table of Contents</div><div id="menu-toc"><ol class="toc"><li><a href="./#sec-intro" title="Introduction">Introduction</a></li><li><a href="scope.html#sec-scope" title="Scope">1 Scope</a></li><li>+<a href="conformance.html#sec-conformance" title="Conformance">2 Conformance</a><ol class="toc"><li><a href="conformance.html#sec-conformance-normative-optional" title="Example Normative Optional Clause Heading">2.1 Example Normative Optional Clause Heading</a></li><li><a href="conformance.html#sec-conformance-legacy" title="Example Legacy Clause Heading">2.2 Example Legacy Clause Heading</a></li><li><a href="conformance.html#sec-conformance-legacy-normative-optional" title="Example Legacy Normative Optional Clause Heading">2.3 Example Legacy Normative Optional Clause Heading</a></li></ol></li><li><a href="normative-references.html#sec-normative-references" title="Normative References">3 Normative References</a></li><li>+<a href="overview.html#sec-overview" title="Overview">4 Overview</a><ol class="toc"><li><a href="overview.html#sec-web-scripting" title="Web Scripting">4.1 Web Scripting</a></li><li><a href="overview.html#sec-hosts-and-implementations" title="Hosts and Implementations">4.2 Hosts and Implementations</a></li><li>+<a href="overview.html#sec-ecmascript-overview" title="ECMAScript Overview">4.3 ECMAScript Overview</a><ol class="toc"><li><a href="overview.html#sec-objects" title="Objects">4.3.1 Objects</a></li><li><a href="overview.html#sec-strict-variant-of-ecmascript" title="The Strict Variant of ECMAScript">4.3.2 The Strict Variant of ECMAScript</a></li></ol></li><li>+<a href="overview.html#sec-terms-and-definitions" title="Terms and Definitions">4.4 Terms and Definitions</a><ol class="toc"><li><a href="overview.html#sec-terms-and-definitions-implementation-approximated" title="implementation-approximated">4.4.1 implementation-approximated</a></li><li><a href="overview.html#sec-terms-and-definitions-implementation-defined" title="implementation-defined">4.4.2 implementation-defined</a></li><li><a href="overview.html#sec-terms-and-definitions-host-defined" title="host-defined">4.4.3 host-defined</a></li><li><a href="overview.html#sec-type" title="type">4.4.4 type</a></li><li><a href="overview.html#sec-primitive-value" title="primitive value">4.4.5 primitive value</a></li><li><a href="overview.html#sec-terms-and-definitions-object" title="object">4.4.6 object</a></li><li><a href="overview.html#sec-constructor" title="constructor">4.4.7 constructor</a></li><li><a href="overview.html#sec-terms-and-definitions-prototype" title="prototype">4.4.8 prototype</a></li><li><a href="overview.html#sec-ordinary-object" title="ordinary object">4.4.9 ordinary object</a></li><li><a href="overview.html#sec-exotic-object" title="exotic object">4.4.10 exotic object</a></li><li><a href="overview.html#sec-standard-object" title="standard object">4.4.11 standard object</a></li><li><a href="overview.html#sec-built-in-object" title="built-in object">4.4.12 built-in object</a></li><li><a href="overview.html#sec-undefined-value" title="undefined value">4.4.13 undefined value</a></li><li><a href="overview.html#sec-terms-and-definitions-undefined-type" title="Undefined type">4.4.14 Undefined type</a></li><li><a href="overview.html#sec-null-value" title="null value">4.4.15 null value</a></li><li><a href="overview.html#sec-terms-and-definitions-null-type" title="Null type">4.4.16 Null type</a></li><li><a href="overview.html#sec-terms-and-definitions-boolean-value" title="Boolean value">4.4.17 Boolean value</a></li><li><a href="overview.html#sec-terms-and-definitions-boolean-type" title="Boolean type">4.4.18 Boolean type</a></li><li><a href="overview.html#sec-boolean-object" title="Boolean object">4.4.19 Boolean object</a></li><li><a href="overview.html#sec-terms-and-definitions-string-value" title="String value">4.4.20 String value</a></li><li><a href="overview.html#sec-terms-and-definitions-string-type" title="String type">4.4.21 String type</a></li><li><a href="overview.html#sec-string-object" title="String object">4.4.22 String object</a></li><li><a href="overview.html#sec-terms-and-definitions-number-value" title="Number value">4.4.23 Number value</a></li><li><a href="overview.html#sec-terms-and-definitions-number-type" title="Number type">4.4.24 Number type</a></li><li><a href="overview.html#sec-number-object" title="Number object">4.4.25 Number object</a></li><li><a href="overview.html#sec-terms-and-definitions-infinity" title="Infinity">4.4.26 Infinity</a></li><li><a href="overview.html#sec-terms-and-definitions-nan" title="NaN">4.4.27 NaN</a></li><li><a href="overview.html#sec-terms-and-definitions-bigint-value" title="BigInt value">4.4.28 BigInt value</a></li><li><a href="overview.html#sec-terms-and-definitions-bigint-type" title="BigInt type">4.4.29 BigInt type</a></li><li><a href="overview.html#sec-bigint-object" title="BigInt object">4.4.30 BigInt object</a></li><li><a href="overview.html#sec-symbol-value" title="Symbol value">4.4.31 Symbol value</a></li><li><a href="overview.html#sec-terms-and-definitions-symbol-type" title="Symbol type">4.4.32 Symbol type</a></li><li><a href="overview.html#sec-symbol-object" title="Symbol object">4.4.33 Symbol object</a></li><li><a href="overview.html#sec-terms-and-definitions-function" title="function">4.4.34 function</a></li><li><a href="overview.html#sec-built-in-function" title="built-in function">4.4.35 built-in function</a></li><li><a href="overview.html#sec-built-in-constructor" title="built-in constructor">4.4.36 built-in constructor</a></li><li><a href="overview.html#sec-property" title="property">4.4.37 property</a></li><li><a href="overview.html#sec-method" title="method">4.4.38 method</a></li><li><a href="overview.html#sec-built-in-method" title="built-in method">4.4.39 built-in method</a></li><li><a href="overview.html#sec-attribute" title="attribute">4.4.40 attribute</a></li><li><a href="overview.html#sec-own-property" title="own property">4.4.41 own property</a></li><li><a href="overview.html#sec-inherited-property" title="inherited property">4.4.42 inherited property</a></li></ol></li><li><a href="overview.html#sec-organization-of-this-specification" title="Organization of This Specification">4.5 Organization of This Specification</a></li></ol></li><li>+<a href="notational-conventions.html#sec-notational-conventions" title="Notational Conventions">5 Notational Conventions</a><ol class="toc"><li>+<a href="notational-conventions.html#sec-syntactic-and-lexical-grammars" title="Syntactic and Lexical Grammars">5.1 Syntactic and Lexical Grammars</a><ol class="toc"><li><a href="notational-conventions.html#sec-context-free-grammars" title="Context-Free Grammars">5.1.1 Context-Free Grammars</a></li><li><a href="notational-conventions.html#sec-lexical-and-regexp-grammars" title="The Lexical and RegExp Grammars">5.1.2 The Lexical and RegExp Grammars</a></li><li><a href="notational-conventions.html#sec-numeric-string-grammar" title="The Numeric String Grammar">5.1.3 The Numeric String Grammar</a></li><li><a href="notational-conventions.html#sec-syntactic-grammar" title="The Syntactic Grammar">5.1.4 The Syntactic Grammar</a></li><li>+<a href="notational-conventions.html#sec-grammar-notation" title="Grammar Notation">5.1.5 Grammar Notation</a><ol class="toc"><li><a href="notational-conventions.html#sec-terminal-symbols" title="Terminal Symbols">5.1.5.1 Terminal Symbols</a></li><li><a href="notational-conventions.html#sec-nonterminal-symbols-and-productions" title="Nonterminal Symbols and Productions">5.1.5.2 Nonterminal Symbols and Productions</a></li><li><a href="notational-conventions.html#sec-optional-symbols" title="Optional Symbols">5.1.5.3 Optional Symbols</a></li><li><a href="notational-conventions.html#sec-grammatical-parameters" title="Grammatical Parameters">5.1.5.4 Grammatical Parameters</a></li><li><a href="notational-conventions.html#sec-one-of" title="one of">5.1.5.5 one of</a></li><li><a href="notational-conventions.html#sec-empty" title="[empty]">5.1.5.6 [empty]</a></li><li><a href="notational-conventions.html#sec-lookahead-restrictions" title="Lookahead Restrictions">5.1.5.7 Lookahead Restrictions</a></li><li><a href="notational-conventions.html#sec-no-lineterminator-here" title="[no LineTerminator here]">5.1.5.8 [no <emu-nt>LineTerminator</emu-nt> here]</a></li><li><a href="notational-conventions.html#sec-but-not" title="but not">5.1.5.9 but not</a></li><li><a href="notational-conventions.html#sec-descriptive-phrases" title="Descriptive Phrases">5.1.5.10 Descriptive Phrases</a></li></ol></li></ol></li><li>+<a href="notational-conventions.html#sec-algorithm-conventions" title="Algorithm Conventions">5.2 Algorithm Conventions</a><ol class="toc"><li><a href="notational-conventions.html#sec-algorithm-conventions-abstract-operations" title="Abstract Operations">5.2.1 Abstract Operations</a></li><li><a href="notational-conventions.html#sec-algorithm-conventions-syntax-directed-operations" title="Syntax-Directed Operations">5.2.2 Syntax-Directed Operations</a></li><li>+<a href="notational-conventions.html#sec-runtime-semantics" title="Runtime Semantics">5.2.3 Runtime Semantics</a><ol class="toc"><li><a href="notational-conventions.html#sec-completion-ao" title="Completion ( completionRecord )">5.2.3.1 Completion ( <var>completionRecord</var> )</a></li><li><a href="notational-conventions.html#sec-throw-an-exception" title="Throw an Exception">5.2.3.2 Throw an Exception</a></li><li><a href="notational-conventions.html#sec-returnifabrupt" title="ReturnIfAbrupt">5.2.3.3 ReturnIfAbrupt</a></li><li><a href="notational-conventions.html#sec-returnifabrupt-shorthands" title="ReturnIfAbrupt Shorthands">5.2.3.4 ReturnIfAbrupt Shorthands</a></li><li><a href="notational-conventions.html#sec-implicit-normal-completion" title="Implicit Normal Completion">5.2.3.5 Implicit Normal Completion</a></li></ol></li><li><a href="notational-conventions.html#sec-static-semantic-rules" title="Static Semantics">5.2.4 Static Semantics</a></li><li><a href="notational-conventions.html#sec-mathematical-operations" title="Mathematical Operations">5.2.5 Mathematical Operations</a></li><li><a href="notational-conventions.html#sec-value-notation" title="Value Notation">5.2.6 Value Notation</a></li><li><a href="notational-conventions.html#sec-identity" title="Identity">5.2.7 Identity</a></li></ol></li></ol></li><li>+<a href="ecmascript-data-types-and-values.html#sec-ecmascript-data-types-and-values" title="ECMAScript Data Types and Values">6 ECMAScript Data Types and Values</a><ol class="toc"><li>+<a href="ecmascript-data-types-and-values.html#sec-ecmascript-language-types" title="ECMAScript Language Types">6.1 ECMAScript Language Types</a><ol class="toc"><li><a href="ecmascript-data-types-and-values.html#sec-ecmascript-language-types-undefined-type" title="The Undefined Type">6.1.1 The Undefined Type</a></li><li><a href="ecmascript-data-types-and-values.html#sec-ecmascript-language-types-null-type" title="The Null Type">6.1.2 The Null Type</a></li><li><a href="ecmascript-data-types-and-values.html#sec-ecmascript-language-types-boolean-type" title="The Boolean Type">6.1.3 The Boolean Type</a></li><li>+<a href="ecmascript-data-types-and-values.html#sec-ecmascript-language-types-string-type" title="The String Type">6.1.4 The String Type</a><ol class="toc"><li><a href="ecmascript-data-types-and-values.html#sec-stringindexof" title="StringIndexOf ( string, searchValue, fromIndex )">6.1.4.1 StringIndexOf ( <var>string</var>, <var>searchValue</var>, <var>fromIndex</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-stringlastindexof" title="StringLastIndexOf ( string, searchValue, fromIndex )">6.1.4.2 StringLastIndexOf ( <var>string</var>, <var>searchValue</var>, <var>fromIndex</var> )</a></li></ol></li><li>+<a href="ecmascript-data-types-and-values.html#sec-ecmascript-language-types-symbol-type" title="The Symbol Type">6.1.5 The Symbol Type</a><ol class="toc"><li><a href="ecmascript-data-types-and-values.html#sec-well-known-symbols" title="Well-Known Symbols">6.1.5.1 Well-Known Symbols</a></li></ol></li><li>+<a href="ecmascript-data-types-and-values.html#sec-numeric-types" title="Numeric Types">6.1.6 Numeric Types</a><ol class="toc"><li>+<a href="ecmascript-data-types-and-values.html#sec-ecmascript-language-types-number-type" title="The Number Type">6.1.6.1 The Number Type</a><ol class="toc"><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-number-unaryMinus" title="Number::unaryMinus ( x )">6.1.6.1.1 Number::unaryMinus ( <var>x</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-number-bitwiseNOT" title="Number::bitwiseNOT ( x )">6.1.6.1.2 Number::bitwiseNOT ( <var>x</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-number-exponentiate" title="Number::exponentiate ( base, exponent )">6.1.6.1.3 Number::exponentiate ( <var>base</var>, <var>exponent</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-number-multiply" title="Number::multiply ( x, y )">6.1.6.1.4 Number::multiply ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-number-divide" title="Number::divide ( x, y )">6.1.6.1.5 Number::divide ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-number-remainder" title="Number::remainder ( n, d )">6.1.6.1.6 Number::remainder ( <var>n</var>, <var>d</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-number-add" title="Number::add ( x, y )">6.1.6.1.7 Number::add ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-number-subtract" title="Number::subtract ( x, y )">6.1.6.1.8 Number::subtract ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-number-leftShift" title="Number::leftShift ( x, y )">6.1.6.1.9 Number::leftShift ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-number-signedRightShift" title="Number::signedRightShift ( x, y )">6.1.6.1.10 Number::signedRightShift ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-number-unsignedRightShift" title="Number::unsignedRightShift ( x, y )">6.1.6.1.11 Number::unsignedRightShift ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-number-lessThan" title="Number::lessThan ( x, y )">6.1.6.1.12 Number::lessThan ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-number-equal" title="Number::equal ( x, y )">6.1.6.1.13 Number::equal ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-number-sameValue" title="Number::sameValue ( x, y )">6.1.6.1.14 Number::sameValue ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-number-sameValueZero" title="Number::sameValueZero ( x, y )">6.1.6.1.15 Number::sameValueZero ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numberbitwiseop" title="NumberBitwiseOp ( op, x, y )">6.1.6.1.16 NumberBitwiseOp ( <var>op</var>, <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-number-bitwiseAND" title="Number::bitwiseAND ( x, y )">6.1.6.1.17 Number::bitwiseAND ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-number-bitwiseXOR" title="Number::bitwiseXOR ( x, y )">6.1.6.1.18 Number::bitwiseXOR ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-number-bitwiseOR" title="Number::bitwiseOR ( x, y )">6.1.6.1.19 Number::bitwiseOR ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-number-tostring" title="Number::toString ( x, radix )">6.1.6.1.20 Number::toString ( <var>x</var>, <var>radix</var> )</a></li></ol></li><li>+<a href="ecmascript-data-types-and-values.html#sec-ecmascript-language-types-bigint-type" title="The BigInt Type">6.1.6.2 The BigInt Type</a><ol class="toc"><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-bigint-unaryMinus" title="BigInt::unaryMinus ( x )">6.1.6.2.1 BigInt::unaryMinus ( <var>x</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-bigint-bitwiseNOT" title="BigInt::bitwiseNOT ( x )">6.1.6.2.2 BigInt::bitwiseNOT ( <var>x</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-bigint-exponentiate" title="BigInt::exponentiate ( base, exponent )">6.1.6.2.3 BigInt::exponentiate ( <var>base</var>, <var>exponent</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-bigint-multiply" title="BigInt::multiply ( x, y )">6.1.6.2.4 BigInt::multiply ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-bigint-divide" title="BigInt::divide ( x, y )">6.1.6.2.5 BigInt::divide ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-bigint-remainder" title="BigInt::remainder ( n, d )">6.1.6.2.6 BigInt::remainder ( <var>n</var>, <var>d</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-bigint-add" title="BigInt::add ( x, y )">6.1.6.2.7 BigInt::add ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-bigint-subtract" title="BigInt::subtract ( x, y )">6.1.6.2.8 BigInt::subtract ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-bigint-leftShift" title="BigInt::leftShift ( x, y )">6.1.6.2.9 BigInt::leftShift ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-bigint-signedRightShift" title="BigInt::signedRightShift ( x, y )">6.1.6.2.10 BigInt::signedRightShift ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-bigint-unsignedRightShift" title="BigInt::unsignedRightShift ( x, y )">6.1.6.2.11 BigInt::unsignedRightShift ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-bigint-lessThan" title="BigInt::lessThan ( x, y )">6.1.6.2.12 BigInt::lessThan ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-bigint-equal" title="BigInt::equal ( x, y )">6.1.6.2.13 BigInt::equal ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-binaryand" title="BinaryAnd ( x, y )">6.1.6.2.14 BinaryAnd ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-binaryor" title="BinaryOr ( x, y )">6.1.6.2.15 BinaryOr ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-binaryxor" title="BinaryXor ( x, y )">6.1.6.2.16 BinaryXor ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-bigintbitwiseop" title="BigIntBitwiseOp ( op, x, y )">6.1.6.2.17 BigIntBitwiseOp ( <var>op</var>, <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-bigint-bitwiseAND" title="BigInt::bitwiseAND ( x, y )">6.1.6.2.18 BigInt::bitwiseAND ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-bigint-bitwiseXOR" title="BigInt::bitwiseXOR ( x, y )">6.1.6.2.19 BigInt::bitwiseXOR ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-bigint-bitwiseOR" title="BigInt::bitwiseOR ( x, y )">6.1.6.2.20 BigInt::bitwiseOR ( <var>x</var>, <var>y</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-numeric-types-bigint-tostring" title="BigInt::toString ( x, radix )">6.1.6.2.21 BigInt::toString ( <var>x</var>, <var>radix</var> )</a></li></ol></li></ol></li><li>+<a href="ecmascript-data-types-and-values.html#sec-object-type" title="The Object Type">6.1.7 The Object Type</a><ol class="toc"><li><a href="ecmascript-data-types-and-values.html#sec-property-attributes" title="Property Attributes">6.1.7.1 Property Attributes</a></li><li><a href="ecmascript-data-types-and-values.html#sec-object-internal-methods-and-internal-slots" title="Object Internal Methods and Internal Slots">6.1.7.2 Object Internal Methods and Internal Slots</a></li><li><a href="ecmascript-data-types-and-values.html#sec-invariants-of-the-essential-internal-methods" title="Invariants of the Essential Internal Methods">6.1.7.3 Invariants of the Essential Internal Methods</a></li><li><a href="ecmascript-data-types-and-values.html#sec-well-known-intrinsic-objects" title="Well-Known Intrinsic Objects">6.1.7.4 Well-Known Intrinsic Objects</a></li></ol></li></ol></li><li>+<a href="ecmascript-data-types-and-values.html#sec-ecmascript-specification-types" title="ECMAScript Specification Types">6.2 ECMAScript Specification Types</a><ol class="toc"><li><a href="ecmascript-data-types-and-values.html#sec-enum-specification-type" title="The Enum Specification Type">6.2.1 The Enum Specification Type</a></li><li><a href="ecmascript-data-types-and-values.html#sec-list-and-record-specification-type" title="The List and Record Specification Types">6.2.2 The List and Record Specification Types</a></li><li><a href="ecmascript-data-types-and-values.html#sec-set-and-relation-specification-type" title="The Set and Relation Specification Types">6.2.3 The Set and Relation Specification Types</a></li><li>+<a href="ecmascript-data-types-and-values.html#sec-completion-record-specification-type" title="The Completion Record Specification Type">6.2.4 The Completion Record Specification Type</a><ol class="toc"><li><a href="ecmascript-data-types-and-values.html#sec-normalcompletion" title="NormalCompletion ( value )">6.2.4.1 NormalCompletion ( <var>value</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-throwcompletion" title="ThrowCompletion ( value )">6.2.4.2 ThrowCompletion ( <var>value</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-returncompletion" title="ReturnCompletion ( value )">6.2.4.3 ReturnCompletion ( <var>value</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-updateempty" title="UpdateEmpty ( completionRecord, value )">6.2.4.4 UpdateEmpty ( <var>completionRecord</var>, <var>value</var> )</a></li></ol></li><li>+<a href="ecmascript-data-types-and-values.html#sec-reference-record-specification-type" title="The Reference Record Specification Type">6.2.5 The Reference Record Specification Type</a><ol class="toc"><li><a href="ecmascript-data-types-and-values.html#sec-ispropertyreference" title="IsPropertyReference ( V )">6.2.5.1 IsPropertyReference ( <var>V</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-isunresolvablereference" title="IsUnresolvableReference ( V )">6.2.5.2 IsUnresolvableReference ( <var>V</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-issuperreference" title="IsSuperReference ( V )">6.2.5.3 IsSuperReference ( <var>V</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-isprivatereference" title="IsPrivateReference ( V )">6.2.5.4 IsPrivateReference ( <var>V</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-getvalue" title="GetValue ( V )">6.2.5.5 GetValue ( <var>V</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-putvalue" title="PutValue ( V, W )">6.2.5.6 PutValue ( <var>V</var>, <var>W</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-getthisvalue" title="GetThisValue ( V )">6.2.5.7 GetThisValue ( <var>V</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-initializereferencedbinding" title="InitializeReferencedBinding ( V, W )">6.2.5.8 InitializeReferencedBinding ( <var>V</var>, <var>W</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-makeprivatereference" title="MakePrivateReference ( baseValue, privateIdentifier )">6.2.5.9 MakePrivateReference ( <var>baseValue</var>, <var>privateIdentifier</var> )</a></li></ol></li><li>+<a href="ecmascript-data-types-and-values.html#sec-property-descriptor-specification-type" title="The Property Descriptor Specification Type">6.2.6 The Property Descriptor Specification Type</a><ol class="toc"><li><a href="ecmascript-data-types-and-values.html#sec-isaccessordescriptor" title="IsAccessorDescriptor ( Desc )">6.2.6.1 IsAccessorDescriptor ( <var>Desc</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-isdatadescriptor" title="IsDataDescriptor ( Desc )">6.2.6.2 IsDataDescriptor ( <var>Desc</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-isgenericdescriptor" title="IsGenericDescriptor ( Desc )">6.2.6.3 IsGenericDescriptor ( <var>Desc</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-frompropertydescriptor" title="FromPropertyDescriptor ( Desc )">6.2.6.4 FromPropertyDescriptor ( <var>Desc</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-topropertydescriptor" title="ToPropertyDescriptor ( Obj )">6.2.6.5 ToPropertyDescriptor ( <var>Obj</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-completepropertydescriptor" title="CompletePropertyDescriptor ( Desc )">6.2.6.6 CompletePropertyDescriptor ( <var>Desc</var> )</a></li></ol></li><li><a href="ecmascript-data-types-and-values.html#sec-lexical-environment-and-environment-record-specification-types" title="The Environment Record Specification Type">6.2.7 The Environment Record Specification Type</a></li><li><a href="ecmascript-data-types-and-values.html#sec-abstract-closure" title="The Abstract Closure Specification Type">6.2.8 The Abstract Closure Specification Type</a></li><li>+<a href="ecmascript-data-types-and-values.html#sec-data-blocks" title="Data Blocks">6.2.9 Data Blocks</a><ol class="toc"><li><a href="ecmascript-data-types-and-values.html#sec-createbytedatablock" title="CreateByteDataBlock ( size )">6.2.9.1 CreateByteDataBlock ( <var>size</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-createsharedbytedatablock" title="CreateSharedByteDataBlock ( size )">6.2.9.2 CreateSharedByteDataBlock ( <var>size</var> )</a></li><li><a href="ecmascript-data-types-and-values.html#sec-copydatablockbytes" title="CopyDataBlockBytes ( toBlock, toIndex, fromBlock, fromIndex, count )">6.2.9.3 CopyDataBlockBytes ( <var>toBlock</var>, <var>toIndex</var>, <var>fromBlock</var>, <var>fromIndex</var>, <var>count</var> )</a></li></ol></li><li><a href="ecmascript-data-types-and-values.html#sec-privateelement-specification-type" title="The PrivateElement Specification Type">6.2.10 The PrivateElement Specification Type</a></li><li><a href="ecmascript-data-types-and-values.html#sec-classfielddefinition-record-specification-type" title="The ClassFieldDefinition Record Specification Type">6.2.11 The ClassFieldDefinition Record Specification Type</a></li><li><a href="ecmascript-data-types-and-values.html#sec-private-names" title="Private Names">6.2.12 Private Names</a></li><li><a href="ecmascript-data-types-and-values.html#sec-classstaticblockdefinition-record-specification-type" title="The ClassStaticBlockDefinition Record Specification Type">6.2.13 The ClassStaticBlockDefinition Record Specification Type</a></li></ol></li></ol></li><li>+<a href="abstract-operations.html#sec-abstract-operations" title="Abstract Operations">7 Abstract Operations</a><ol class="toc"><li>+<a href="abstract-operations.html#sec-type-conversion" title="Type Conversion">7.1 Type Conversion</a><ol class="toc"><li>+<a href="abstract-operations.html#sec-toprimitive" title="ToPrimitive ( input [ , preferredType ] )">7.1.1 ToPrimitive ( <var>input</var> [ , <var>preferredType</var> ] )</a><ol class="toc"><li><a href="abstract-operations.html#sec-ordinarytoprimitive" title="OrdinaryToPrimitive ( O, hint )">7.1.1.1 OrdinaryToPrimitive ( <var>O</var>, <var>hint</var> )</a></li></ol></li><li><a href="abstract-operations.html#sec-toboolean" title="ToBoolean ( argument )">7.1.2 ToBoolean ( <var>argument</var> )</a></li><li><a href="abstract-operations.html#sec-tonumeric" title="ToNumeric ( value )">7.1.3 ToNumeric ( <var>value</var> )</a></li><li>+<a href="abstract-operations.html#sec-tonumber" title="ToNumber ( argument )">7.1.4 ToNumber ( <var>argument</var> )</a><ol class="toc"><li>+<a href="abstract-operations.html#sec-tonumber-applied-to-the-string-type" title="ToNumber Applied to the String Type">7.1.4.1 ToNumber Applied to the String Type</a><ol class="toc"><li><a href="abstract-operations.html#sec-stringtonumber" title="StringToNumber ( str )">7.1.4.1.1 StringToNumber ( <var>str</var> )</a></li><li><a href="abstract-operations.html#sec-runtime-semantics-stringnumericvalue" title="Runtime Semantics: StringNumericValue">7.1.4.1.2 RS: StringNumericValue</a></li><li><a href="abstract-operations.html#sec-roundmvresult" title="RoundMVResult ( n )">7.1.4.1.3 RoundMVResult ( <var>n</var> )</a></li></ol></li></ol></li><li><a href="abstract-operations.html#sec-tointegerorinfinity" title="ToIntegerOrInfinity ( argument )">7.1.5 ToIntegerOrInfinity ( <var>argument</var> )</a></li><li><a href="abstract-operations.html#sec-toint32" title="ToInt32 ( argument )">7.1.6 ToInt32 ( <var>argument</var> )</a></li><li><a href="abstract-operations.html#sec-touint32" title="ToUint32 ( argument )">7.1.7 ToUint32 ( <var>argument</var> )</a></li><li><a href="abstract-operations.html#sec-toint16" title="ToInt16 ( argument )">7.1.8 ToInt16 ( <var>argument</var> )</a></li><li><a href="abstract-operations.html#sec-touint16" title="ToUint16 ( argument )">7.1.9 ToUint16 ( <var>argument</var> )</a></li><li><a href="abstract-operations.html#sec-toint8" title="ToInt8 ( argument )">7.1.10 ToInt8 ( <var>argument</var> )</a></li><li><a href="abstract-operations.html#sec-touint8" title="ToUint8 ( argument )">7.1.11 ToUint8 ( <var>argument</var> )</a></li><li><a href="abstract-operations.html#sec-touint8clamp" title="ToUint8Clamp ( argument )">7.1.12 ToUint8Clamp ( <var>argument</var> )</a></li><li><a href="abstract-operations.html#sec-tobigint" title="ToBigInt ( argument )">7.1.13 ToBigInt ( <var>argument</var> )</a></li><li>+<a href="abstract-operations.html#sec-stringtobigint" title="StringToBigInt ( str )">7.1.14 StringToBigInt ( <var>str</var> )</a><ol class="toc"><li><a href="abstract-operations.html#sec-stringintegerliteral-grammar" title="StringIntegerLiteral Grammar">7.1.14.1 StringIntegerLiteral Grammar</a></li><li><a href="abstract-operations.html#sec-runtime-semantics-mv-for-stringintegerliteral" title="Runtime Semantics: MV">7.1.14.2 RS: MV</a></li></ol></li><li><a href="abstract-operations.html#sec-tobigint64" title="ToBigInt64 ( argument )">7.1.15 ToBigInt64 ( <var>argument</var> )</a></li><li><a href="abstract-operations.html#sec-tobiguint64" title="ToBigUint64 ( argument )">7.1.16 ToBigUint64 ( <var>argument</var> )</a></li><li><a href="abstract-operations.html#sec-tostring" title="ToString ( argument )">7.1.17 ToString ( <var>argument</var> )</a></li><li><a href="abstract-operations.html#sec-toobject" title="ToObject ( argument )">7.1.18 ToObject ( <var>argument</var> )</a></li><li><a href="abstract-operations.html#sec-topropertykey" title="ToPropertyKey ( argument )">7.1.19 ToPropertyKey ( <var>argument</var> )</a></li><li><a href="abstract-operations.html#sec-tolength" title="ToLength ( argument )">7.1.20 ToLength ( <var>argument</var> )</a></li><li><a href="abstract-operations.html#sec-canonicalnumericindexstring" title="CanonicalNumericIndexString ( argument )">7.1.21 CanonicalNumericIndexString ( <var>argument</var> )</a></li><li><a href="abstract-operations.html#sec-toindex" title="ToIndex ( value )">7.1.22 ToIndex ( <var>value</var> )</a></li></ol></li><li>+<a href="abstract-operations.html#sec-testing-and-comparison-operations" title="Testing and Comparison Operations">7.2 Testing and Comparison Operations</a><ol class="toc"><li><a href="abstract-operations.html#sec-requireobjectcoercible" title="RequireObjectCoercible ( argument )">7.2.1 RequireObjectCoercible ( <var>argument</var> )</a></li><li><a href="abstract-operations.html#sec-isarray" title="IsArray ( argument )">7.2.2 IsArray ( <var>argument</var> )</a></li><li><a href="abstract-operations.html#sec-iscallable" title="IsCallable ( argument )">7.2.3 IsCallable ( <var>argument</var> )</a></li><li><a href="abstract-operations.html#sec-isconstructor" title="IsConstructor ( argument )">7.2.4 IsConstructor ( <var>argument</var> )</a></li><li><a href="abstract-operations.html#sec-isextensible-o" title="IsExtensible ( O )">7.2.5 IsExtensible ( <var>O</var> )</a></li><li><a href="abstract-operations.html#sec-isregexp" title="IsRegExp ( argument )">7.2.6 IsRegExp ( <var>argument</var> )</a></li><li><a href="abstract-operations.html#sec-isstringwellformedunicode" title="Static Semantics: IsStringWellFormedUnicode ( string )">7.2.7 SS: IsStringWellFormedUnicode ( <var>string</var> )</a></li><li><a href="abstract-operations.html#sec-sametype" title="SameType ( x, y )">7.2.8 SameType ( <var>x</var>, <var>y</var> )</a></li><li><a href="abstract-operations.html#sec-samevalue" title="SameValue ( x, y )">7.2.9 SameValue ( <var>x</var>, <var>y</var> )</a></li><li><a href="abstract-operations.html#sec-samevaluezero" title="SameValueZero ( x, y )">7.2.10 SameValueZero ( <var>x</var>, <var>y</var> )</a></li><li><a href="abstract-operations.html#sec-samevaluenonnumber" title="SameValueNonNumber ( x, y )">7.2.11 SameValueNonNumber ( <var>x</var>, <var>y</var> )</a></li><li><a href="abstract-operations.html#sec-islessthan" title="IsLessThan ( x, y, LeftFirst )">7.2.12 IsLessThan ( <var>x</var>, <var>y</var>, <var>LeftFirst</var> )</a></li><li><a href="abstract-operations.html#sec-islooselyequal" title="IsLooselyEqual ( x, y )">7.2.13 IsLooselyEqual ( <var>x</var>, <var>y</var> )</a></li><li><a href="abstract-operations.html#sec-isstrictlyequal" title="IsStrictlyEqual ( x, y )">7.2.14 IsStrictlyEqual ( <var>x</var>, <var>y</var> )</a></li></ol></li><li>+<a href="abstract-operations.html#sec-operations-on-objects" title="Operations on Objects">7.3 Operations on Objects</a><ol class="toc"><li><a href="abstract-operations.html#sec-makebasicobject" title="MakeBasicObject ( internalSlotsList )">7.3.1 MakeBasicObject ( <var>internalSlotsList</var> )</a></li><li><a href="abstract-operations.html#sec-get-o-p" title="Get ( O, P )">7.3.2 Get ( <var>O</var>, <var>P</var> )</a></li><li><a href="abstract-operations.html#sec-getv" title="GetV ( V, P )">7.3.3 GetV ( <var>V</var>, <var>P</var> )</a></li><li><a href="abstract-operations.html#sec-set-o-p-v-throw" title="Set ( O, P, V, Throw )">7.3.4 Set ( <var>O</var>, <var>P</var>, <var>V</var>, <var>Throw</var> )</a></li><li><a href="abstract-operations.html#sec-createdataproperty" title="CreateDataProperty ( O, P, V )">7.3.5 CreateDataProperty ( <var>O</var>, <var>P</var>, <var>V</var> )</a></li><li><a href="abstract-operations.html#sec-createdatapropertyorthrow" title="CreateDataPropertyOrThrow ( O, P, V )">7.3.6 CreateDataPropertyOrThrow ( <var>O</var>, <var>P</var>, <var>V</var> )</a></li><li><a href="abstract-operations.html#sec-createnonenumerabledatapropertyorthrow" title="CreateNonEnumerableDataPropertyOrThrow ( O, P, V )">7.3.7 CreateNonEnumerableDataPropertyOrThrow ( <var>O</var>, <var>P</var>, <var>V</var> )</a></li><li><a href="abstract-operations.html#sec-definepropertyorthrow" title="DefinePropertyOrThrow ( O, P, desc )">7.3.8 DefinePropertyOrThrow ( <var>O</var>, <var>P</var>, <var>desc</var> )</a></li><li><a href="abstract-operations.html#sec-deletepropertyorthrow" title="DeletePropertyOrThrow ( O, P )">7.3.9 DeletePropertyOrThrow ( <var>O</var>, <var>P</var> )</a></li><li><a href="abstract-operations.html#sec-getmethod" title="GetMethod ( V, P )">7.3.10 GetMethod ( <var>V</var>, <var>P</var> )</a></li><li><a href="abstract-operations.html#sec-hasproperty" title="HasProperty ( O, P )">7.3.11 HasProperty ( <var>O</var>, <var>P</var> )</a></li><li><a href="abstract-operations.html#sec-hasownproperty" title="HasOwnProperty ( O, P )">7.3.12 HasOwnProperty ( <var>O</var>, <var>P</var> )</a></li><li><a href="abstract-operations.html#sec-call" title="Call ( F, V [ , argumentsList ] )">7.3.13 Call ( <var>F</var>, <var>V</var> [ , <var>argumentsList</var> ] )</a></li><li><a href="abstract-operations.html#sec-construct" title="Construct ( F [ , argumentsList [ , newTarget ] ] )">7.3.14 Construct ( <var>F</var> [ , <var>argumentsList</var> [ , <var>newTarget</var> ] ] )</a></li><li><a href="abstract-operations.html#sec-setintegritylevel" title="SetIntegrityLevel ( O, level )">7.3.15 SetIntegrityLevel ( <var>O</var>, <var>level</var> )</a></li><li><a href="abstract-operations.html#sec-testintegritylevel" title="TestIntegrityLevel ( O, level )">7.3.16 TestIntegrityLevel ( <var>O</var>, <var>level</var> )</a></li><li><a href="abstract-operations.html#sec-createarrayfromlist" title="CreateArrayFromList ( elements )">7.3.17 CreateArrayFromList ( <var>elements</var> )</a></li><li><a href="abstract-operations.html#sec-lengthofarraylike" title="LengthOfArrayLike ( obj )">7.3.18 LengthOfArrayLike ( <var>obj</var> )</a></li><li><a href="abstract-operations.html#sec-createlistfromarraylike" title="CreateListFromArrayLike ( obj [ , validElementTypes ] )">7.3.19 CreateListFromArrayLike ( <var>obj</var> [ , <var>validElementTypes</var> ] )</a></li><li><a href="abstract-operations.html#sec-invoke" title="Invoke ( V, P [ , argumentsList ] )">7.3.20 Invoke ( <var>V</var>, <var>P</var> [ , <var>argumentsList</var> ] )</a></li><li><a href="abstract-operations.html#sec-ordinaryhasinstance" title="OrdinaryHasInstance ( C, O )">7.3.21 OrdinaryHasInstance ( <var>C</var>, <var>O</var> )</a></li><li><a href="abstract-operations.html#sec-speciesconstructor" title="SpeciesConstructor ( O, defaultConstructor )">7.3.22 SpeciesConstructor ( <var>O</var>, <var>defaultConstructor</var> )</a></li><li><a href="abstract-operations.html#sec-enumerableownproperties" title="EnumerableOwnProperties ( O, kind )">7.3.23 EnumerableOwnProperties ( <var>O</var>, <var>kind</var> )</a></li><li><a href="abstract-operations.html#sec-getfunctionrealm" title="GetFunctionRealm ( obj )">7.3.24 GetFunctionRealm ( <var>obj</var> )</a></li><li><a href="abstract-operations.html#sec-copydataproperties" title="CopyDataProperties ( target, source, excludedItems )">7.3.25 CopyDataProperties ( <var>target</var>, <var>source</var>, <var>excludedItems</var> )</a></li><li><a href="abstract-operations.html#sec-privateelementfind" title="PrivateElementFind ( O, P )">7.3.26 PrivateElementFind ( <var>O</var>, <var>P</var> )</a></li><li><a href="abstract-operations.html#sec-privatefieldadd" title="PrivateFieldAdd ( O, P, value )">7.3.27 PrivateFieldAdd ( <var>O</var>, <var>P</var>, <var>value</var> )</a></li><li><a href="abstract-operations.html#sec-privatemethodoraccessoradd" title="PrivateMethodOrAccessorAdd ( O, method )">7.3.28 PrivateMethodOrAccessorAdd ( <var>O</var>, <var>method</var> )</a></li><li><a href="abstract-operations.html#sec-hostensurecanaddprivateelement" title="HostEnsureCanAddPrivateElement ( O )">7.3.29 HostEnsureCanAddPrivateElement ( <var>O</var> )</a></li><li><a href="abstract-operations.html#sec-privateget" title="PrivateGet ( O, P )">7.3.30 PrivateGet ( <var>O</var>, <var>P</var> )</a></li><li><a href="abstract-operations.html#sec-privateset" title="PrivateSet ( O, P, value )">7.3.31 PrivateSet ( <var>O</var>, <var>P</var>, <var>value</var> )</a></li><li><a href="abstract-operations.html#sec-definefield" title="DefineField ( receiver, fieldRecord )">7.3.32 DefineField ( <var>receiver</var>, <var>fieldRecord</var> )</a></li><li><a href="abstract-operations.html#sec-initializeinstanceelements" title="InitializeInstanceElements ( O, constructor )">7.3.33 InitializeInstanceElements ( <var>O</var>, <var>constructor</var> )</a></li><li><a href="abstract-operations.html#sec-add-value-to-keyed-group" title="AddValueToKeyedGroup ( groups, key, value )">7.3.34 AddValueToKeyedGroup ( <var>groups</var>, <var>key</var>, <var>value</var> )</a></li><li><a href="abstract-operations.html#sec-groupby" title="GroupBy ( items, callback, keyCoercion )">7.3.35 GroupBy ( <var>items</var>, <var>callback</var>, <var>keyCoercion</var> )</a></li><li><a href="abstract-operations.html#sec-SetterThatIgnoresPrototypeProperties" title="SetterThatIgnoresPrototypeProperties ( thisValue, home, p, v )">7.3.36 SetterThatIgnoresPrototypeProperties ( <var>thisValue</var>, <var>home</var>, <var>p</var>, <var>v</var> )</a></li></ol></li><li>+<a href="abstract-operations.html#sec-operations-on-iterator-objects" title="Operations on Iterator Objects">7.4 Operations on Iterator Objects</a><ol class="toc"><li><a href="abstract-operations.html#sec-iterator-records" title="Iterator Records">7.4.1 Iterator Records</a></li><li><a href="abstract-operations.html#sec-getiteratordirect" title="GetIteratorDirect ( obj )">7.4.2 GetIteratorDirect ( <var>obj</var> )</a></li><li><a href="abstract-operations.html#sec-getiteratorfrommethod" title="GetIteratorFromMethod ( obj, method )">7.4.3 GetIteratorFromMethod ( <var>obj</var>, <var>method</var> )</a></li><li><a href="abstract-operations.html#sec-getiterator" title="GetIterator ( obj, kind )">7.4.4 GetIterator ( <var>obj</var>, <var>kind</var> )</a></li><li><a href="abstract-operations.html#sec-getiteratorflattenable" title="GetIteratorFlattenable ( obj, primitiveHandling )">7.4.5 GetIteratorFlattenable ( <var>obj</var>, <var>primitiveHandling</var> )</a></li><li><a href="abstract-operations.html#sec-iteratornext" title="IteratorNext ( iteratorRecord [ , value ] )">7.4.6 IteratorNext ( <var>iteratorRecord</var> [ , <var>value</var> ] )</a></li><li><a href="abstract-operations.html#sec-iteratorcomplete" title="IteratorComplete ( iteratorResult )">7.4.7 IteratorComplete ( <var>iteratorResult</var> )</a></li><li><a href="abstract-operations.html#sec-iteratorvalue" title="IteratorValue ( iteratorResult )">7.4.8 IteratorValue ( <var>iteratorResult</var> )</a></li><li><a href="abstract-operations.html#sec-iteratorstep" title="IteratorStep ( iteratorRecord )">7.4.9 IteratorStep ( <var>iteratorRecord</var> )</a></li><li><a href="abstract-operations.html#sec-iteratorstepvalue" title="IteratorStepValue ( iteratorRecord )">7.4.10 IteratorStepValue ( <var>iteratorRecord</var> )</a></li><li><a href="abstract-operations.html#sec-iteratorclose" title="IteratorClose ( iteratorRecord, completion )">7.4.11 IteratorClose ( <var>iteratorRecord</var>, <var>completion</var> )</a></li><li><a href="abstract-operations.html#sec-ifabruptcloseiterator" title="IfAbruptCloseIterator ( value, iteratorRecord )">7.4.12 IfAbruptCloseIterator ( <var>value</var>, <var>iteratorRecord</var> )</a></li><li><a href="abstract-operations.html#sec-asynciteratorclose" title="AsyncIteratorClose ( iteratorRecord, completion )">7.4.13 AsyncIteratorClose ( <var>iteratorRecord</var>, <var>completion</var> )</a></li><li><a href="abstract-operations.html#sec-createiterresultobject" title="CreateIteratorResultObject ( value, done )">7.4.14 CreateIteratorResultObject ( <var>value</var>, <var>done</var> )</a></li><li><a href="abstract-operations.html#sec-createlistiteratorRecord" title="CreateListIteratorRecord ( list )">7.4.15 CreateListIteratorRecord ( <var>list</var> )</a></li><li><a href="abstract-operations.html#sec-iteratortolist" title="IteratorToList ( iteratorRecord )">7.4.16 IteratorToList ( <var>iteratorRecord</var> )</a></li></ol></li></ol></li><li>+<a href="syntax-directed-operations.html#sec-syntax-directed-operations" title="Syntax-Directed Operations">8 Syntax-Directed Operations</a><ol class="toc"><li><a href="syntax-directed-operations.html#sec-evaluation" title="Runtime Semantics: Evaluation">8.1 RS: Evaluation</a></li><li>+<a href="syntax-directed-operations.html#sec-syntax-directed-operations-scope-analysis" title="Scope Analysis">8.2 Scope Analysis</a><ol class="toc"><li><a href="syntax-directed-operations.html#sec-static-semantics-boundnames" title="Static Semantics: BoundNames">8.2.1 SS: BoundNames</a></li><li><a href="syntax-directed-operations.html#sec-static-semantics-declarationpart" title="Static Semantics: DeclarationPart">8.2.2 SS: DeclarationPart</a></li><li><a href="syntax-directed-operations.html#sec-static-semantics-isconstantdeclaration" title="Static Semantics: IsConstantDeclaration">8.2.3 SS: IsConstantDeclaration</a></li><li><a href="syntax-directed-operations.html#sec-static-semantics-lexicallydeclarednames" title="Static Semantics: LexicallyDeclaredNames">8.2.4 SS: LexicallyDeclaredNames</a></li><li><a href="syntax-directed-operations.html#sec-static-semantics-lexicallyscopeddeclarations" title="Static Semantics: LexicallyScopedDeclarations">8.2.5 SS: LexicallyScopedDeclarations</a></li><li><a href="syntax-directed-operations.html#sec-static-semantics-vardeclarednames" title="Static Semantics: VarDeclaredNames">8.2.6 SS: VarDeclaredNames</a></li><li><a href="syntax-directed-operations.html#sec-static-semantics-varscopeddeclarations" title="Static Semantics: VarScopedDeclarations">8.2.7 SS: VarScopedDeclarations</a></li><li><a href="syntax-directed-operations.html#sec-static-semantics-toplevellexicallydeclarednames" title="Static Semantics: TopLevelLexicallyDeclaredNames">8.2.8 SS: TopLevelLexicallyDeclaredNames</a></li><li><a href="syntax-directed-operations.html#sec-static-semantics-toplevellexicallyscopeddeclarations" title="Static Semantics: TopLevelLexicallyScopedDeclarations">8.2.9 SS: TopLevelLexicallyScopedDeclarations</a></li><li><a href="syntax-directed-operations.html#sec-static-semantics-toplevelvardeclarednames" title="Static Semantics: TopLevelVarDeclaredNames">8.2.10 SS: TopLevelVarDeclaredNames</a></li><li><a href="syntax-directed-operations.html#sec-static-semantics-toplevelvarscopeddeclarations" title="Static Semantics: TopLevelVarScopedDeclarations">8.2.11 SS: TopLevelVarScopedDeclarations</a></li></ol></li><li>+<a href="syntax-directed-operations.html#sec-syntax-directed-operations-labels" title="Labels">8.3 Labels</a><ol class="toc"><li><a href="syntax-directed-operations.html#sec-static-semantics-containsduplicatelabels" title="Static Semantics: ContainsDuplicateLabels">8.3.1 SS: ContainsDuplicateLabels</a></li><li><a href="syntax-directed-operations.html#sec-static-semantics-containsundefinedbreaktarget" title="Static Semantics: ContainsUndefinedBreakTarget">8.3.2 SS: ContainsUndefinedBreakTarget</a></li><li><a href="syntax-directed-operations.html#sec-static-semantics-containsundefinedcontinuetarget" title="Static Semantics: ContainsUndefinedContinueTarget">8.3.3 SS: ContainsUndefinedContinueTarget</a></li></ol></li><li>+<a href="syntax-directed-operations.html#sec-syntax-directed-operations-function-name-inference" title="Function Name Inference">8.4 Function Name Inference</a><ol class="toc"><li><a href="syntax-directed-operations.html#sec-static-semantics-hasname" title="Static Semantics: HasName">8.4.1 SS: HasName</a></li><li><a href="syntax-directed-operations.html#sec-static-semantics-isfunctiondefinition" title="Static Semantics: IsFunctionDefinition">8.4.2 SS: IsFunctionDefinition</a></li><li><a href="syntax-directed-operations.html#sec-isanonymousfunctiondefinition" title="Static Semantics: IsAnonymousFunctionDefinition ( expr )">8.4.3 SS: IsAnonymousFunctionDefinition ( <var>expr</var> )</a></li><li><a href="syntax-directed-operations.html#sec-static-semantics-isidentifierref" title="Static Semantics: IsIdentifierRef">8.4.4 SS: IsIdentifierRef</a></li><li><a href="syntax-directed-operations.html#sec-runtime-semantics-namedevaluation" title="Runtime Semantics: NamedEvaluation">8.4.5 RS: NamedEvaluation</a></li></ol></li><li>+<a href="syntax-directed-operations.html#sec-syntax-directed-operations-contains" title="Contains">8.5 Contains</a><ol class="toc"><li><a href="syntax-directed-operations.html#sec-static-semantics-contains" title="Static Semantics: Contains">8.5.1 SS: Contains</a></li><li><a href="syntax-directed-operations.html#sec-static-semantics-computedpropertycontains" title="Static Semantics: ComputedPropertyContains">8.5.2 SS: ComputedPropertyContains</a></li></ol></li><li>+<a href="syntax-directed-operations.html#sec-syntax-directed-operations-miscellaneous" title="Miscellaneous">8.6 Miscellaneous</a><ol class="toc"><li><a href="syntax-directed-operations.html#sec-runtime-semantics-instantiatefunctionobject" title="Runtime Semantics: InstantiateFunctionObject">8.6.1 RS: InstantiateFunctionObject</a></li><li>+<a href="syntax-directed-operations.html#sec-runtime-semantics-bindinginitialization" title="Runtime Semantics: BindingInitialization">8.6.2 RS: BindingInitialization</a><ol class="toc"><li><a href="syntax-directed-operations.html#sec-initializeboundname" title="InitializeBoundName ( name, value, environment )">8.6.2.1 InitializeBoundName ( <var>name</var>, <var>value</var>, <var>environment</var> )</a></li></ol></li><li><a href="syntax-directed-operations.html#sec-runtime-semantics-iteratorbindinginitialization" title="Runtime Semantics: IteratorBindingInitialization">8.6.3 RS: IteratorBindingInitialization</a></li><li><a href="syntax-directed-operations.html#sec-static-semantics-assignmenttargettype" title="Static Semantics: AssignmentTargetType">8.6.4 SS: AssignmentTargetType</a></li><li><a href="syntax-directed-operations.html#sec-static-semantics-propname" title="Static Semantics: PropName">8.6.5 SS: PropName</a></li></ol></li></ol></li><li>+<a href="executable-code-and-execution-contexts.html#sec-executable-code-and-execution-contexts" title="Executable Code and Execution Contexts">9 Executable Code and Execution Contexts</a><ol class="toc"><li>+<a href="executable-code-and-execution-contexts.html#sec-environment-records" title="Environment Records">9.1 Environment Records</a><ol class="toc"><li>+<a href="executable-code-and-execution-contexts.html#sec-the-environment-record-type-hierarchy" title="The Environment Record Type Hierarchy">9.1.1 The Environment Record Type Hierarchy</a><ol class="toc"><li>+<a href="executable-code-and-execution-contexts.html#sec-declarative-environment-records" title="Declarative Environment Records">9.1.1.1 Declarative Environment Records</a><ol class="toc"><li><a href="executable-code-and-execution-contexts.html#sec-declarative-environment-records-hasbinding-n" title="HasBinding ( N )">9.1.1.1.1 HasBinding ( <var>N</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-declarative-environment-records-createmutablebinding-n-d" title="CreateMutableBinding ( N, D )">9.1.1.1.2 CreateMutableBinding ( <var>N</var>, <var>D</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-declarative-environment-records-createimmutablebinding-n-s" title="CreateImmutableBinding ( N, S )">9.1.1.1.3 CreateImmutableBinding ( <var>N</var>, <var>S</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-declarative-environment-records-initializebinding-n-v" title="InitializeBinding ( N, V )">9.1.1.1.4 InitializeBinding ( <var>N</var>, <var>V</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-declarative-environment-records-setmutablebinding-n-v-s" title="SetMutableBinding ( N, V, S )">9.1.1.1.5 SetMutableBinding ( <var>N</var>, <var>V</var>, <var>S</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-declarative-environment-records-getbindingvalue-n-s" title="GetBindingValue ( N, S )">9.1.1.1.6 GetBindingValue ( <var>N</var>, <var>S</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-declarative-environment-records-deletebinding-n" title="DeleteBinding ( N )">9.1.1.1.7 DeleteBinding ( <var>N</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-declarative-environment-records-hasthisbinding" title="HasThisBinding ( )">9.1.1.1.8 HasThisBinding ( )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-declarative-environment-records-hassuperbinding" title="HasSuperBinding ( )">9.1.1.1.9 HasSuperBinding ( )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-declarative-environment-records-withbaseobject" title="WithBaseObject ( )">9.1.1.1.10 WithBaseObject ( )</a></li></ol></li><li>+<a href="executable-code-and-execution-contexts.html#sec-object-environment-records" title="Object Environment Records">9.1.1.2 Object Environment Records</a><ol class="toc"><li><a href="executable-code-and-execution-contexts.html#sec-object-environment-records-hasbinding-n" title="HasBinding ( N )">9.1.1.2.1 HasBinding ( <var>N</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-object-environment-records-createmutablebinding-n-d" title="CreateMutableBinding ( N, D )">9.1.1.2.2 CreateMutableBinding ( <var>N</var>, <var>D</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-object-environment-records-createimmutablebinding-n-s" title="CreateImmutableBinding ( N, S )">9.1.1.2.3 CreateImmutableBinding ( <var>N</var>, <var>S</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-object-environment-records-initializebinding-n-v" title="InitializeBinding ( N, V )">9.1.1.2.4 InitializeBinding ( <var>N</var>, <var>V</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-object-environment-records-setmutablebinding-n-v-s" title="SetMutableBinding ( N, V, S )">9.1.1.2.5 SetMutableBinding ( <var>N</var>, <var>V</var>, <var>S</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-object-environment-records-getbindingvalue-n-s" title="GetBindingValue ( N, S )">9.1.1.2.6 GetBindingValue ( <var>N</var>, <var>S</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-object-environment-records-deletebinding-n" title="DeleteBinding ( N )">9.1.1.2.7 DeleteBinding ( <var>N</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-object-environment-records-hasthisbinding" title="HasThisBinding ( )">9.1.1.2.8 HasThisBinding ( )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-object-environment-records-hassuperbinding" title="HasSuperBinding ( )">9.1.1.2.9 HasSuperBinding ( )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-object-environment-records-withbaseobject" title="WithBaseObject ( )">9.1.1.2.10 WithBaseObject ( )</a></li></ol></li><li>+<a href="executable-code-and-execution-contexts.html#sec-function-environment-records" title="Function Environment Records">9.1.1.3 Function Environment Records</a><ol class="toc"><li><a href="executable-code-and-execution-contexts.html#sec-bindthisvalue" title="BindThisValue ( envRec, V )">9.1.1.3.1 BindThisValue ( <var>envRec</var>, <var>V</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-function-environment-records-hasthisbinding" title="HasThisBinding ( )">9.1.1.3.2 HasThisBinding ( )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-function-environment-records-hassuperbinding" title="HasSuperBinding ( )">9.1.1.3.3 HasSuperBinding ( )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-function-environment-records-getthisbinding" title="GetThisBinding ( )">9.1.1.3.4 GetThisBinding ( )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-getsuperbase" title="GetSuperBase ( envRec )">9.1.1.3.5 GetSuperBase ( <var>envRec</var> )</a></li></ol></li><li>+<a href="executable-code-and-execution-contexts.html#sec-global-environment-records" title="Global Environment Records">9.1.1.4 Global Environment Records</a><ol class="toc"><li><a href="executable-code-and-execution-contexts.html#sec-global-environment-records-hasbinding-n" title="HasBinding ( N )">9.1.1.4.1 HasBinding ( <var>N</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-global-environment-records-createmutablebinding-n-d" title="CreateMutableBinding ( N, D )">9.1.1.4.2 CreateMutableBinding ( <var>N</var>, <var>D</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-global-environment-records-createimmutablebinding-n-s" title="CreateImmutableBinding ( N, S )">9.1.1.4.3 CreateImmutableBinding ( <var>N</var>, <var>S</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-global-environment-records-initializebinding-n-v" title="InitializeBinding ( N, V )">9.1.1.4.4 InitializeBinding ( <var>N</var>, <var>V</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-global-environment-records-setmutablebinding-n-v-s" title="SetMutableBinding ( N, V, S )">9.1.1.4.5 SetMutableBinding ( <var>N</var>, <var>V</var>, <var>S</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-global-environment-records-getbindingvalue-n-s" title="GetBindingValue ( N, S )">9.1.1.4.6 GetBindingValue ( <var>N</var>, <var>S</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-global-environment-records-deletebinding-n" title="DeleteBinding ( N )">9.1.1.4.7 DeleteBinding ( <var>N</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-global-environment-records-hasthisbinding" title="HasThisBinding ( )">9.1.1.4.8 HasThisBinding ( )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-global-environment-records-hassuperbinding" title="HasSuperBinding ( )">9.1.1.4.9 HasSuperBinding ( )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-global-environment-records-withbaseobject" title="WithBaseObject ( )">9.1.1.4.10 WithBaseObject ( )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-global-environment-records-getthisbinding" title="GetThisBinding ( )">9.1.1.4.11 GetThisBinding ( )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-haslexicaldeclaration" title="HasLexicalDeclaration ( envRec, N )">9.1.1.4.12 HasLexicalDeclaration ( <var>envRec</var>, <var>N</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-hasrestrictedglobalproperty" title="HasRestrictedGlobalProperty ( envRec, N )">9.1.1.4.13 HasRestrictedGlobalProperty ( <var>envRec</var>, <var>N</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-candeclareglobalvar" title="CanDeclareGlobalVar ( envRec, N )">9.1.1.4.14 CanDeclareGlobalVar ( <var>envRec</var>, <var>N</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-candeclareglobalfunction" title="CanDeclareGlobalFunction ( envRec, N )">9.1.1.4.15 CanDeclareGlobalFunction ( <var>envRec</var>, <var>N</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-createglobalvarbinding" title="CreateGlobalVarBinding ( envRec, N, D )">9.1.1.4.16 CreateGlobalVarBinding ( <var>envRec</var>, <var>N</var>, <var>D</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-createglobalfunctionbinding" title="CreateGlobalFunctionBinding ( envRec, N, V, D )">9.1.1.4.17 CreateGlobalFunctionBinding ( <var>envRec</var>, <var>N</var>, <var>V</var>, <var>D</var> )</a></li></ol></li><li>+<a href="executable-code-and-execution-contexts.html#sec-module-environment-records" title="Module Environment Records">9.1.1.5 Module Environment Records</a><ol class="toc"><li><a href="executable-code-and-execution-contexts.html#sec-module-environment-records-getbindingvalue-n-s" title="GetBindingValue ( N, S )">9.1.1.5.1 GetBindingValue ( <var>N</var>, <var>S</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-module-environment-records-deletebinding-n" title="DeleteBinding ( N )">9.1.1.5.2 DeleteBinding ( <var>N</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-module-environment-records-hasthisbinding" title="HasThisBinding ( )">9.1.1.5.3 HasThisBinding ( )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-module-environment-records-getthisbinding" title="GetThisBinding ( )">9.1.1.5.4 GetThisBinding ( )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-createimportbinding" title="CreateImportBinding ( envRec, N, M, N2 )">9.1.1.5.5 CreateImportBinding ( <var>envRec</var>, <var>N</var>, <var>M</var>, <var>N2</var> )</a></li></ol></li></ol></li><li>+<a href="executable-code-and-execution-contexts.html#sec-environment-record-operations" title="Environment Record Operations">9.1.2 Environment Record Operations</a><ol class="toc"><li><a href="executable-code-and-execution-contexts.html#sec-getidentifierreference" title="GetIdentifierReference ( env, name, strict )">9.1.2.1 GetIdentifierReference ( <var>env</var>, <var>name</var>, <var>strict</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-newdeclarativeenvironment" title="NewDeclarativeEnvironment ( E )">9.1.2.2 NewDeclarativeEnvironment ( <var>E</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-newobjectenvironment" title="NewObjectEnvironment ( O, W, E )">9.1.2.3 NewObjectEnvironment ( <var>O</var>, <var>W</var>, <var>E</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-newfunctionenvironment" title="NewFunctionEnvironment ( F, newTarget )">9.1.2.4 NewFunctionEnvironment ( <var>F</var>, <var>newTarget</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-newglobalenvironment" title="NewGlobalEnvironment ( G, thisValue )">9.1.2.5 NewGlobalEnvironment ( <var>G</var>, <var>thisValue</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-newmoduleenvironment" title="NewModuleEnvironment ( E )">9.1.2.6 NewModuleEnvironment ( <var>E</var> )</a></li></ol></li></ol></li><li>+<a href="executable-code-and-execution-contexts.html#sec-privateenvironment-records" title="PrivateEnvironment Records">9.2 PrivateEnvironment Records</a><ol class="toc"><li>+<a href="executable-code-and-execution-contexts.html#sec-privateenvironment-record-operations" title="PrivateEnvironment Record Operations">9.2.1 PrivateEnvironment Record Operations</a><ol class="toc"><li><a href="executable-code-and-execution-contexts.html#sec-newprivateenvironment" title="NewPrivateEnvironment ( outerPrivateEnv )">9.2.1.1 NewPrivateEnvironment ( <var>outerPrivateEnv</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-resolve-private-identifier" title="ResolvePrivateIdentifier ( privateEnv, identifier )">9.2.1.2 ResolvePrivateIdentifier ( <var>privateEnv</var>, <var>identifier</var> )</a></li></ol></li></ol></li><li>+<a href="executable-code-and-execution-contexts.html#sec-code-realms" title="Realms">9.3 Realms</a><ol class="toc"><li><a href="executable-code-and-execution-contexts.html#sec-initializehostdefinedrealm" title="InitializeHostDefinedRealm ( )">9.3.1 InitializeHostDefinedRealm ( )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-createintrinsics" title="CreateIntrinsics ( realmRec )">9.3.2 CreateIntrinsics ( <var>realmRec</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-setdefaultglobalbindings" title="SetDefaultGlobalBindings ( realmRec )">9.3.3 SetDefaultGlobalBindings ( <var>realmRec</var> )</a></li></ol></li><li>+<a href="executable-code-and-execution-contexts.html#sec-execution-contexts" title="Execution Contexts">9.4 Execution Contexts</a><ol class="toc"><li><a href="executable-code-and-execution-contexts.html#sec-getactivescriptormodule" title="GetActiveScriptOrModule ( )">9.4.1 GetActiveScriptOrModule ( )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-resolvebinding" title="ResolveBinding ( name [ , env ] )">9.4.2 ResolveBinding ( <var>name</var> [ , <var>env</var> ] )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-getthisenvironment" title="GetThisEnvironment ( )">9.4.3 GetThisEnvironment ( )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-resolvethisbinding" title="ResolveThisBinding ( )">9.4.4 ResolveThisBinding ( )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-getnewtarget" title="GetNewTarget ( )">9.4.5 GetNewTarget ( )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-getglobalobject" title="GetGlobalObject ( )">9.4.6 GetGlobalObject ( )</a></li></ol></li><li>+<a href="executable-code-and-execution-contexts.html#sec-jobs" title="Jobs and Host Operations to Enqueue Jobs">9.5 Jobs and Host Operations to Enqueue Jobs</a><ol class="toc"><li><a href="executable-code-and-execution-contexts.html#sec-jobcallback-records" title="JobCallback Records">9.5.1 JobCallback Records</a></li><li><a href="executable-code-and-execution-contexts.html#sec-hostmakejobcallback" title="HostMakeJobCallback ( callback )">9.5.2 HostMakeJobCallback ( <var>callback</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-hostcalljobcallback" title="HostCallJobCallback ( jobCallback, V, argumentsList )">9.5.3 HostCallJobCallback ( <var>jobCallback</var>, <var>V</var>, <var>argumentsList</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-hostenqueuegenericjob" title="HostEnqueueGenericJob ( job, realm )">9.5.4 HostEnqueueGenericJob ( <var>job</var>, <var>realm</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-hostenqueuepromisejob" title="HostEnqueuePromiseJob ( job, realm )">9.5.5 HostEnqueuePromiseJob ( <var>job</var>, <var>realm</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-hostenqueuetimeoutjob" title="HostEnqueueTimeoutJob ( timeoutJob, realm, milliseconds )">9.5.6 HostEnqueueTimeoutJob ( <var>timeoutJob</var>, <var>realm</var>, <var>milliseconds</var> )</a></li></ol></li><li>+<a href="executable-code-and-execution-contexts.html#sec-agents" title="Agents">9.6 Agents</a><ol class="toc"><li><a href="executable-code-and-execution-contexts.html#sec-agentsignifier" title="AgentSignifier ( )">9.6.1 AgentSignifier ( )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-agentcansuspend" title="AgentCanSuspend ( )">9.6.2 AgentCanSuspend ( )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-IncrementModuleAsyncEvaluationCount" title="IncrementModuleAsyncEvaluationCount ( )">9.6.3 IncrementModuleAsyncEvaluationCount ( )</a></li></ol></li><li><a href="executable-code-and-execution-contexts.html#sec-agent-clusters" title="Agent Clusters">9.7 Agent Clusters</a></li><li><a href="executable-code-and-execution-contexts.html#sec-forward-progress" title="Forward Progress">9.8 Forward Progress</a></li><li>+<a href="executable-code-and-execution-contexts.html#sec-weakref-processing-model" title="Processing Model of WeakRef and FinalizationRegistry Targets">9.9 Processing Model of WeakRef and FinalizationRegistry Targets</a><ol class="toc"><li><a href="executable-code-and-execution-contexts.html#sec-weakref-invariants" title="Objectives">9.9.1 Objectives</a></li><li><a href="executable-code-and-execution-contexts.html#sec-liveness" title="Liveness">9.9.2 Liveness</a></li><li><a href="executable-code-and-execution-contexts.html#sec-weakref-execution" title="Execution">9.9.3 Execution</a></li><li>+<a href="executable-code-and-execution-contexts.html#sec-weakref-host-hooks" title="Host Hooks">9.9.4 Host Hooks</a><ol class="toc"><li><a href="executable-code-and-execution-contexts.html#sec-host-cleanup-finalization-registry" title="HostEnqueueFinalizationRegistryCleanupJob ( finalizationRegistry )">9.9.4.1 HostEnqueueFinalizationRegistryCleanupJob ( <var>finalizationRegistry</var> )</a></li></ol></li></ol></li><li><a href="executable-code-and-execution-contexts.html#sec-clear-kept-objects" title="ClearKeptObjects ( )">9.10 ClearKeptObjects ( )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-addtokeptobjects" title="AddToKeptObjects ( value )">9.11 AddToKeptObjects ( <var>value</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-cleanup-finalization-registry" title="CleanupFinalizationRegistry ( finalizationRegistry )">9.12 CleanupFinalizationRegistry ( <var>finalizationRegistry</var> )</a></li><li><a href="executable-code-and-execution-contexts.html#sec-canbeheldweakly" title="CanBeHeldWeakly ( v )">9.13 CanBeHeldWeakly ( <var>v</var> )</a></li></ol></li><li>+<a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinary-and-exotic-objects-behaviours" title="Ordinary and Exotic Objects Behaviours">10 Ordinary and Exotic Objects Behaviours</a><ol class="toc"><li>+<a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinary-object-internal-methods-and-internal-slots" title="Ordinary Object Internal Methods and Internal Slots">10.1 Ordinary Object Internal Methods and Internal Slots</a><ol class="toc"><li>+<a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinary-object-internal-methods-and-internal-slots-getprototypeof" title="[[GetPrototypeOf]] ( )">10.1.1 <var class="field">[[GetPrototypeOf]]</var> ( )</a><ol class="toc"><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinarygetprototypeof" title="OrdinaryGetPrototypeOf ( O )">10.1.1.1 OrdinaryGetPrototypeOf ( <var>O</var> )</a></li></ol></li><li>+<a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinary-object-internal-methods-and-internal-slots-setprototypeof-v" title="[[SetPrototypeOf]] ( V )">10.1.2 <var class="field">[[SetPrototypeOf]]</var> ( <var>V</var> )</a><ol class="toc"><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinarysetprototypeof" title="OrdinarySetPrototypeOf ( O, V )">10.1.2.1 OrdinarySetPrototypeOf ( <var>O</var>, <var>V</var> )</a></li></ol></li><li>+<a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinary-object-internal-methods-and-internal-slots-isextensible" title="[[IsExtensible]] ( )">10.1.3 <var class="field">[[IsExtensible]]</var> ( )</a><ol class="toc"><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinaryisextensible" title="OrdinaryIsExtensible ( O )">10.1.3.1 OrdinaryIsExtensible ( <var>O</var> )</a></li></ol></li><li>+<a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinary-object-internal-methods-and-internal-slots-preventextensions" title="[[PreventExtensions]] ( )">10.1.4 <var class="field">[[PreventExtensions]]</var> ( )</a><ol class="toc"><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinarypreventextensions" title="OrdinaryPreventExtensions ( O )">10.1.4.1 OrdinaryPreventExtensions ( <var>O</var> )</a></li></ol></li><li>+<a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinary-object-internal-methods-and-internal-slots-getownproperty-p" title="[[GetOwnProperty]] ( P )">10.1.5 <var class="field">[[GetOwnProperty]]</var> ( <var>P</var> )</a><ol class="toc"><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinarygetownproperty" title="OrdinaryGetOwnProperty ( O, P )">10.1.5.1 OrdinaryGetOwnProperty ( <var>O</var>, <var>P</var> )</a></li></ol></li><li>+<a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinary-object-internal-methods-and-internal-slots-defineownproperty-p-desc" title="[[DefineOwnProperty]] ( P, Desc )">10.1.6 <var class="field">[[DefineOwnProperty]]</var> ( <var>P</var>, <var>Desc</var> )</a><ol class="toc"><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinarydefineownproperty" title="OrdinaryDefineOwnProperty ( O, P, Desc )">10.1.6.1 OrdinaryDefineOwnProperty ( <var>O</var>, <var>P</var>, <var>Desc</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-iscompatiblepropertydescriptor" title="IsCompatiblePropertyDescriptor ( Extensible, Desc, Current )">10.1.6.2 IsCompatiblePropertyDescriptor ( <var>Extensible</var>, <var>Desc</var>, <var>Current</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-validateandapplypropertydescriptor" title="ValidateAndApplyPropertyDescriptor ( O, P, extensible, Desc, current )">10.1.6.3 ValidateAndApplyPropertyDescriptor ( <var>O</var>, <var>P</var>, <var>extensible</var>, <var>Desc</var>, <var>current</var> )</a></li></ol></li><li>+<a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinary-object-internal-methods-and-internal-slots-hasproperty-p" title="[[HasProperty]] ( P )">10.1.7 <var class="field">[[HasProperty]]</var> ( <var>P</var> )</a><ol class="toc"><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinaryhasproperty" title="OrdinaryHasProperty ( O, P )">10.1.7.1 OrdinaryHasProperty ( <var>O</var>, <var>P</var> )</a></li></ol></li><li>+<a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinary-object-internal-methods-and-internal-slots-get-p-receiver" title="[[Get]] ( P, Receiver )">10.1.8 <var class="field">[[Get]]</var> ( <var>P</var>, <var>Receiver</var> )</a><ol class="toc"><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinaryget" title="OrdinaryGet ( O, P, Receiver )">10.1.8.1 OrdinaryGet ( <var>O</var>, <var>P</var>, <var>Receiver</var> )</a></li></ol></li><li>+<a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinary-object-internal-methods-and-internal-slots-set-p-v-receiver" title="[[Set]] ( P, V, Receiver )">10.1.9 <var class="field">[[Set]]</var> ( <var>P</var>, <var>V</var>, <var>Receiver</var> )</a><ol class="toc"><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinaryset" title="OrdinarySet ( O, P, V, Receiver )">10.1.9.1 OrdinarySet ( <var>O</var>, <var>P</var>, <var>V</var>, <var>Receiver</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinarysetwithowndescriptor" title="OrdinarySetWithOwnDescriptor ( O, P, V, Receiver, ownDesc )">10.1.9.2 OrdinarySetWithOwnDescriptor ( <var>O</var>, <var>P</var>, <var>V</var>, <var>Receiver</var>, <var>ownDesc</var> )</a></li></ol></li><li>+<a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinary-object-internal-methods-and-internal-slots-delete-p" title="[[Delete]] ( P )">10.1.10 <var class="field">[[Delete]]</var> ( <var>P</var> )</a><ol class="toc"><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinarydelete" title="OrdinaryDelete ( O, P )">10.1.10.1 OrdinaryDelete ( <var>O</var>, <var>P</var> )</a></li></ol></li><li>+<a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinary-object-internal-methods-and-internal-slots-ownpropertykeys" title="[[OwnPropertyKeys]] ( )">10.1.11 <var class="field">[[OwnPropertyKeys]]</var> ( )</a><ol class="toc"><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinaryownpropertykeys" title="OrdinaryOwnPropertyKeys ( O )">10.1.11.1 OrdinaryOwnPropertyKeys ( <var>O</var> )</a></li></ol></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinaryobjectcreate" title="OrdinaryObjectCreate ( proto [ , additionalInternalSlotsList ] )">10.1.12 OrdinaryObjectCreate ( <var>proto</var> [ , <var>additionalInternalSlotsList</var> ] )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinarycreatefromconstructor" title="OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ , internalSlotsList ] )">10.1.13 OrdinaryCreateFromConstructor ( <var>constructor</var>, <var>intrinsicDefaultProto</var> [ , <var>internalSlotsList</var> ] )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-getprototypefromconstructor" title="GetPrototypeFromConstructor ( constructor, intrinsicDefaultProto )">10.1.14 GetPrototypeFromConstructor ( <var>constructor</var>, <var>intrinsicDefaultProto</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-requireinternalslot" title="RequireInternalSlot ( O, internalSlot )">10.1.15 RequireInternalSlot ( <var>O</var>, <var>internalSlot</var> )</a></li></ol></li><li>+<a href="ordinary-and-exotic-objects-behaviours.html#sec-ecmascript-function-objects" title="ECMAScript Function Objects">10.2 ECMAScript Function Objects</a><ol class="toc"><li>+<a href="ordinary-and-exotic-objects-behaviours.html#sec-ecmascript-function-objects-call-thisargument-argumentslist" title="[[Call]] ( thisArgument, argumentsList )">10.2.1 <var class="field">[[Call]]</var> ( <var>thisArgument</var>, <var>argumentsList</var> )</a><ol class="toc"><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-prepareforordinarycall" title="PrepareForOrdinaryCall ( F, newTarget )">10.2.1.1 PrepareForOrdinaryCall ( <var>F</var>, <var>newTarget</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinarycallbindthis" title="OrdinaryCallBindThis ( F, calleeContext, thisArgument )">10.2.1.2 OrdinaryCallBindThis ( <var>F</var>, <var>calleeContext</var>, <var>thisArgument</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-runtime-semantics-evaluatebody" title="Runtime Semantics: EvaluateBody">10.2.1.3 RS: EvaluateBody</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinarycallevaluatebody" title="OrdinaryCallEvaluateBody ( F, argumentsList )">10.2.1.4 OrdinaryCallEvaluateBody ( <var>F</var>, <var>argumentsList</var> )</a></li></ol></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-ecmascript-function-objects-construct-argumentslist-newtarget" title="[[Construct]] ( argumentsList, newTarget )">10.2.2 <var class="field">[[Construct]]</var> ( <var>argumentsList</var>, <var>newTarget</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-ordinaryfunctioncreate" title="OrdinaryFunctionCreate ( functionPrototype, sourceText, ParameterList, Body, thisMode, env, privateEnv )">10.2.3 OrdinaryFunctionCreate ( <var>functionPrototype</var>, <var>sourceText</var>, <var>ParameterList</var>, <var>Body</var>, <var>thisMode</var>, <var>env</var>, <var>privateEnv</var> )</a></li><li>+<a href="ordinary-and-exotic-objects-behaviours.html#sec-addrestrictedfunctionproperties" title="AddRestrictedFunctionProperties ( F, realm )">10.2.4 AddRestrictedFunctionProperties ( <var>F</var>, <var>realm</var> )</a><ol class="toc"><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-%throwtypeerror%" title="%ThrowTypeError% ( )">10.2.4.1 %ThrowTypeError% ( )</a></li></ol></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-makeconstructor" title="MakeConstructor ( F [ , writablePrototype [ , prototype ] ] )">10.2.5 MakeConstructor ( <var>F</var> [ , <var>writablePrototype</var> [ , <var>prototype</var> ] ] )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-makeclassconstructor" title="MakeClassConstructor ( F )">10.2.6 MakeClassConstructor ( <var>F</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-makemethod" title="MakeMethod ( F, homeObject )">10.2.7 MakeMethod ( <var>F</var>, <var>homeObject</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-definemethodproperty" title="DefineMethodProperty ( homeObject, key, closure, enumerable )">10.2.8 DefineMethodProperty ( <var>homeObject</var>, <var>key</var>, <var>closure</var>, <var>enumerable</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-setfunctionname" title="SetFunctionName ( F, name [ , prefix ] )">10.2.9 SetFunctionName ( <var>F</var>, <var>name</var> [ , <var>prefix</var> ] )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-setfunctionlength" title="SetFunctionLength ( F, length )">10.2.10 SetFunctionLength ( <var>F</var>, <var>length</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-functiondeclarationinstantiation" title="FunctionDeclarationInstantiation ( func, argumentsList )">10.2.11 FunctionDeclarationInstantiation ( <var>func</var>, <var>argumentsList</var> )</a></li></ol></li><li>+<a href="ordinary-and-exotic-objects-behaviours.html#sec-built-in-function-objects" title="Built-in Function Objects">10.3 Built-in Function Objects</a><ol class="toc"><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-built-in-function-objects-call-thisargument-argumentslist" title="[[Call]] ( thisArgument, argumentsList )">10.3.1 <var class="field">[[Call]]</var> ( <var>thisArgument</var>, <var>argumentsList</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-built-in-function-objects-construct-argumentslist-newtarget" title="[[Construct]] ( argumentsList, newTarget )">10.3.2 <var class="field">[[Construct]]</var> ( <var>argumentsList</var>, <var>newTarget</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-builtincallorconstruct" title="BuiltinCallOrConstruct ( F, thisArgument, argumentsList, newTarget )">10.3.3 BuiltinCallOrConstruct ( <var>F</var>, <var>thisArgument</var>, <var>argumentsList</var>, <var>newTarget</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-createbuiltinfunction" title="CreateBuiltinFunction ( behaviour, length, name, additionalInternalSlotsList [ , realm [ , prototype [ , prefix ] ] ] )">10.3.4 CreateBuiltinFunction ( <var>behaviour</var>, <var>length</var>, <var>name</var>, <var>additionalInternalSlotsList</var> [ , <var>realm</var> [ , <var>prototype</var> [ , <var>prefix</var> ] ] ] )</a></li></ol></li><li>+<a href="ordinary-and-exotic-objects-behaviours.html#sec-built-in-exotic-object-internal-methods-and-slots" title="Built-in Exotic Object Internal Methods and Slots">10.4 Built-in Exotic Object Internal Methods and Slots</a><ol class="toc"><li>+<a href="ordinary-and-exotic-objects-behaviours.html#sec-bound-function-exotic-objects" title="Bound Function Exotic Objects">10.4.1 Bound Function Exotic Objects</a><ol class="toc"><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-bound-function-exotic-objects-call-thisargument-argumentslist" title="[[Call]] ( thisArgument, argumentsList )">10.4.1.1 <var class="field">[[Call]]</var> ( <var>thisArgument</var>, <var>argumentsList</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-bound-function-exotic-objects-construct-argumentslist-newtarget" title="[[Construct]] ( argumentsList, newTarget )">10.4.1.2 <var class="field">[[Construct]]</var> ( <var>argumentsList</var>, <var>newTarget</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-boundfunctioncreate" title="BoundFunctionCreate ( targetFunction, boundThis, boundArgs )">10.4.1.3 BoundFunctionCreate ( <var>targetFunction</var>, <var>boundThis</var>, <var>boundArgs</var> )</a></li></ol></li><li>+<a href="ordinary-and-exotic-objects-behaviours.html#sec-array-exotic-objects" title="Array Exotic Objects">10.4.2 Array Exotic Objects</a><ol class="toc"><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-array-exotic-objects-defineownproperty-p-desc" title="[[DefineOwnProperty]] ( P, Desc )">10.4.2.1 <var class="field">[[DefineOwnProperty]]</var> ( <var>P</var>, <var>Desc</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-arraycreate" title="ArrayCreate ( length [ , proto ] )">10.4.2.2 ArrayCreate ( <var>length</var> [ , <var>proto</var> ] )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-arrayspeciescreate" title="ArraySpeciesCreate ( originalArray, length )">10.4.2.3 ArraySpeciesCreate ( <var>originalArray</var>, <var>length</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-arraysetlength" title="ArraySetLength ( A, Desc )">10.4.2.4 ArraySetLength ( <var>A</var>, <var>Desc</var> )</a></li></ol></li><li>+<a href="ordinary-and-exotic-objects-behaviours.html#sec-string-exotic-objects" title="String Exotic Objects">10.4.3 String Exotic Objects</a><ol class="toc"><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-string-exotic-objects-getownproperty-p" title="[[GetOwnProperty]] ( P )">10.4.3.1 <var class="field">[[GetOwnProperty]]</var> ( <var>P</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-string-exotic-objects-defineownproperty-p-desc" title="[[DefineOwnProperty]] ( P, Desc )">10.4.3.2 <var class="field">[[DefineOwnProperty]]</var> ( <var>P</var>, <var>Desc</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-string-exotic-objects-ownpropertykeys" title="[[OwnPropertyKeys]] ( )">10.4.3.3 <var class="field">[[OwnPropertyKeys]]</var> ( )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-stringcreate" title="StringCreate ( value, prototype )">10.4.3.4 StringCreate ( <var>value</var>, <var>prototype</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-stringgetownproperty" title="StringGetOwnProperty ( S, P )">10.4.3.5 StringGetOwnProperty ( <var>S</var>, <var>P</var> )</a></li></ol></li><li>+<a href="ordinary-and-exotic-objects-behaviours.html#sec-arguments-exotic-objects" title="Arguments Exotic Objects">10.4.4 Arguments Exotic Objects</a><ol class="toc"><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-arguments-exotic-objects-getownproperty-p" title="[[GetOwnProperty]] ( P )">10.4.4.1 <var class="field">[[GetOwnProperty]]</var> ( <var>P</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-arguments-exotic-objects-defineownproperty-p-desc" title="[[DefineOwnProperty]] ( P, Desc )">10.4.4.2 <var class="field">[[DefineOwnProperty]]</var> ( <var>P</var>, <var>Desc</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-arguments-exotic-objects-get-p-receiver" title="[[Get]] ( P, Receiver )">10.4.4.3 <var class="field">[[Get]]</var> ( <var>P</var>, <var>Receiver</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-arguments-exotic-objects-set-p-v-receiver" title="[[Set]] ( P, V, Receiver )">10.4.4.4 <var class="field">[[Set]]</var> ( <var>P</var>, <var>V</var>, <var>Receiver</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-arguments-exotic-objects-delete-p" title="[[Delete]] ( P )">10.4.4.5 <var class="field">[[Delete]]</var> ( <var>P</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-createunmappedargumentsobject" title="CreateUnmappedArgumentsObject ( argumentsList )">10.4.4.6 CreateUnmappedArgumentsObject ( <var>argumentsList</var> )</a></li><li>+<a href="ordinary-and-exotic-objects-behaviours.html#sec-createmappedargumentsobject" title="CreateMappedArgumentsObject ( func, formals, argumentsList, env )">10.4.4.7 CreateMappedArgumentsObject ( <var>func</var>, <var>formals</var>, <var>argumentsList</var>, <var>env</var> )</a><ol class="toc"><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-makearggetter" title="MakeArgGetter ( name, env )">10.4.4.7.1 MakeArgGetter ( <var>name</var>, <var>env</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-makeargsetter" title="MakeArgSetter ( name, env )">10.4.4.7.2 MakeArgSetter ( <var>name</var>, <var>env</var> )</a></li></ol></li></ol></li><li>+<a href="ordinary-and-exotic-objects-behaviours.html#sec-typedarray-exotic-objects" title="TypedArray Exotic Objects">10.4.5 TypedArray Exotic Objects</a><ol class="toc"><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-typedarray-preventextensions" title="[[PreventExtensions]] ( )">10.4.5.1 <var class="field">[[PreventExtensions]]</var> ( )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-typedarray-getownproperty" title="[[GetOwnProperty]] ( P )">10.4.5.2 <var class="field">[[GetOwnProperty]]</var> ( <var>P</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-typedarray-hasproperty" title="[[HasProperty]] ( P )">10.4.5.3 <var class="field">[[HasProperty]]</var> ( <var>P</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-typedarray-defineownproperty" title="[[DefineOwnProperty]] ( P, Desc )">10.4.5.4 <var class="field">[[DefineOwnProperty]]</var> ( <var>P</var>, <var>Desc</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-typedarray-get" title="[[Get]] ( P, Receiver )">10.4.5.5 <var class="field">[[Get]]</var> ( <var>P</var>, <var>Receiver</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-typedarray-set" title="[[Set]] ( P, V, Receiver )">10.4.5.6 <var class="field">[[Set]]</var> ( <var>P</var>, <var>V</var>, <var>Receiver</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-typedarray-delete" title="[[Delete]] ( P )">10.4.5.7 <var class="field">[[Delete]]</var> ( <var>P</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-typedarray-ownpropertykeys" title="[[OwnPropertyKeys]] ( )">10.4.5.8 <var class="field">[[OwnPropertyKeys]]</var> ( )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-typedarray-with-buffer-witness-records" title="TypedArray With Buffer Witness Records">10.4.5.9 TypedArray With Buffer Witness Records</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-maketypedarraywithbufferwitnessrecord" title="MakeTypedArrayWithBufferWitnessRecord ( obj, order )">10.4.5.10 MakeTypedArrayWithBufferWitnessRecord ( <var>obj</var>, <var>order</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-typedarraycreate" title="TypedArrayCreate ( prototype )">10.4.5.11 TypedArrayCreate ( <var>prototype</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-typedarraybytelength" title="TypedArrayByteLength ( taRecord )">10.4.5.12 TypedArrayByteLength ( <var>taRecord</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-typedarraylength" title="TypedArrayLength ( taRecord )">10.4.5.13 TypedArrayLength ( <var>taRecord</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-istypedarrayoutofbounds" title="IsTypedArrayOutOfBounds ( taRecord )">10.4.5.14 IsTypedArrayOutOfBounds ( <var>taRecord</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-istypedarrayfixedlength" title="IsTypedArrayFixedLength ( O )">10.4.5.15 IsTypedArrayFixedLength ( <var>O</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-isvalidintegerindex" title="IsValidIntegerIndex ( O, index )">10.4.5.16 IsValidIntegerIndex ( <var>O</var>, <var>index</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-typedarraygetelement" title="TypedArrayGetElement ( O, index )">10.4.5.17 TypedArrayGetElement ( <var>O</var>, <var>index</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-typedarraysetelement" title="TypedArraySetElement ( O, index, value )">10.4.5.18 TypedArraySetElement ( <var>O</var>, <var>index</var>, <var>value</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-isarraybufferviewoutofbounds" title="IsArrayBufferViewOutOfBounds ( O )">10.4.5.19 IsArrayBufferViewOutOfBounds ( <var>O</var> )</a></li></ol></li><li>+<a href="ordinary-and-exotic-objects-behaviours.html#sec-module-namespace-exotic-objects" title="Module Namespace Exotic Objects">10.4.6 Module Namespace Exotic Objects</a><ol class="toc"><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-module-namespace-exotic-objects-getprototypeof" title="[[GetPrototypeOf]] ( )">10.4.6.1 <var class="field">[[GetPrototypeOf]]</var> ( )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-module-namespace-exotic-objects-setprototypeof-v" title="[[SetPrototypeOf]] ( V )">10.4.6.2 <var class="field">[[SetPrototypeOf]]</var> ( <var>V</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-module-namespace-exotic-objects-isextensible" title="[[IsExtensible]] ( )">10.4.6.3 <var class="field">[[IsExtensible]]</var> ( )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-module-namespace-exotic-objects-preventextensions" title="[[PreventExtensions]] ( )">10.4.6.4 <var class="field">[[PreventExtensions]]</var> ( )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-module-namespace-exotic-objects-getownproperty-p" title="[[GetOwnProperty]] ( P )">10.4.6.5 <var class="field">[[GetOwnProperty]]</var> ( <var>P</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-module-namespace-exotic-objects-defineownproperty-p-desc" title="[[DefineOwnProperty]] ( P, Desc )">10.4.6.6 <var class="field">[[DefineOwnProperty]]</var> ( <var>P</var>, <var>Desc</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-module-namespace-exotic-objects-hasproperty-p" title="[[HasProperty]] ( P )">10.4.6.7 <var class="field">[[HasProperty]]</var> ( <var>P</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-module-namespace-exotic-objects-get-p-receiver" title="[[Get]] ( P, Receiver )">10.4.6.8 <var class="field">[[Get]]</var> ( <var>P</var>, <var>Receiver</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-module-namespace-exotic-objects-set-p-v-receiver" title="[[Set]] ( P, V, Receiver )">10.4.6.9 <var class="field">[[Set]]</var> ( <var>P</var>, <var>V</var>, <var>Receiver</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-module-namespace-exotic-objects-delete-p" title="[[Delete]] ( P )">10.4.6.10 <var class="field">[[Delete]]</var> ( <var>P</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-module-namespace-exotic-objects-ownpropertykeys" title="[[OwnPropertyKeys]] ( )">10.4.6.11 <var class="field">[[OwnPropertyKeys]]</var> ( )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-modulenamespacecreate" title="ModuleNamespaceCreate ( module, exports )">10.4.6.12 ModuleNamespaceCreate ( <var>module</var>, <var>exports</var> )</a></li></ol></li><li>+<a href="ordinary-and-exotic-objects-behaviours.html#sec-immutable-prototype-exotic-objects" title="Immutable Prototype Exotic Objects">10.4.7 Immutable Prototype Exotic Objects</a><ol class="toc"><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-immutable-prototype-exotic-objects-setprototypeof-v" title="[[SetPrototypeOf]] ( V )">10.4.7.1 <var class="field">[[SetPrototypeOf]]</var> ( <var>V</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-set-immutable-prototype" title="SetImmutablePrototype ( O, V )">10.4.7.2 SetImmutablePrototype ( <var>O</var>, <var>V</var> )</a></li></ol></li></ol></li><li>+<a href="ordinary-and-exotic-objects-behaviours.html#sec-proxy-object-internal-methods-and-internal-slots" title="Proxy Object Internal Methods and Internal Slots">10.5 Proxy Object Internal Methods and Internal Slots</a><ol class="toc"><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-proxy-object-internal-methods-and-internal-slots-getprototypeof" title="[[GetPrototypeOf]] ( )">10.5.1 <var class="field">[[GetPrototypeOf]]</var> ( )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-proxy-object-internal-methods-and-internal-slots-setprototypeof-v" title="[[SetPrototypeOf]] ( V )">10.5.2 <var class="field">[[SetPrototypeOf]]</var> ( <var>V</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-proxy-object-internal-methods-and-internal-slots-isextensible" title="[[IsExtensible]] ( )">10.5.3 <var class="field">[[IsExtensible]]</var> ( )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-proxy-object-internal-methods-and-internal-slots-preventextensions" title="[[PreventExtensions]] ( )">10.5.4 <var class="field">[[PreventExtensions]]</var> ( )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-proxy-object-internal-methods-and-internal-slots-getownproperty-p" title="[[GetOwnProperty]] ( P )">10.5.5 <var class="field">[[GetOwnProperty]]</var> ( <var>P</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-proxy-object-internal-methods-and-internal-slots-defineownproperty-p-desc" title="[[DefineOwnProperty]] ( P, Desc )">10.5.6 <var class="field">[[DefineOwnProperty]]</var> ( <var>P</var>, <var>Desc</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-proxy-object-internal-methods-and-internal-slots-hasproperty-p" title="[[HasProperty]] ( P )">10.5.7 <var class="field">[[HasProperty]]</var> ( <var>P</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-proxy-object-internal-methods-and-internal-slots-get-p-receiver" title="[[Get]] ( P, Receiver )">10.5.8 <var class="field">[[Get]]</var> ( <var>P</var>, <var>Receiver</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-proxy-object-internal-methods-and-internal-slots-set-p-v-receiver" title="[[Set]] ( P, V, Receiver )">10.5.9 <var class="field">[[Set]]</var> ( <var>P</var>, <var>V</var>, <var>Receiver</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-proxy-object-internal-methods-and-internal-slots-delete-p" title="[[Delete]] ( P )">10.5.10 <var class="field">[[Delete]]</var> ( <var>P</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-proxy-object-internal-methods-and-internal-slots-ownpropertykeys" title="[[OwnPropertyKeys]] ( )">10.5.11 <var class="field">[[OwnPropertyKeys]]</var> ( )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-proxy-object-internal-methods-and-internal-slots-call-thisargument-argumentslist" title="[[Call]] ( thisArgument, argumentsList )">10.5.12 <var class="field">[[Call]]</var> ( <var>thisArgument</var>, <var>argumentsList</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-proxy-object-internal-methods-and-internal-slots-construct-argumentslist-newtarget" title="[[Construct]] ( argumentsList, newTarget )">10.5.13 <var class="field">[[Construct]]</var> ( <var>argumentsList</var>, <var>newTarget</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-validatenonrevokedproxy" title="ValidateNonRevokedProxy ( proxy )">10.5.14 ValidateNonRevokedProxy ( <var>proxy</var> )</a></li><li><a href="ordinary-and-exotic-objects-behaviours.html#sec-proxycreate" title="ProxyCreate ( target, handler )">10.5.15 ProxyCreate ( <var>target</var>, <var>handler</var> )</a></li></ol></li></ol></li><li>+<a href="ecmascript-language-source-code.html#sec-ecmascript-language-source-code" title="ECMAScript Language: Source Text">11 ECMAScript Language: Source Text</a><ol class="toc"><li>+<a href="ecmascript-language-source-code.html#sec-source-text" title="Source Text">11.1 Source Text</a><ol class="toc"><li><a href="ecmascript-language-source-code.html#sec-utf16encodecodepoint" title="Static Semantics: UTF16EncodeCodePoint ( cp )">11.1.1 SS: UTF16EncodeCodePoint ( <var>cp</var> )</a></li><li><a href="ecmascript-language-source-code.html#sec-codepointstostring" title="Static Semantics: CodePointsToString ( text )">11.1.2 SS: CodePointsToString ( <var>text</var> )</a></li><li><a href="ecmascript-language-source-code.html#sec-utf16decodesurrogatepair" title="Static Semantics: UTF16SurrogatePairToCodePoint ( lead, trail )">11.1.3 SS: UTF16SurrogatePairToCodePoint ( <var>lead</var>, <var>trail</var> )</a></li><li><a href="ecmascript-language-source-code.html#sec-codepointat" title="Static Semantics: CodePointAt ( string, position )">11.1.4 SS: CodePointAt ( <var>string</var>, <var>position</var> )</a></li><li><a href="ecmascript-language-source-code.html#sec-stringtocodepoints" title="Static Semantics: StringToCodePoints ( string )">11.1.5 SS: StringToCodePoints ( <var>string</var> )</a></li><li><a href="ecmascript-language-source-code.html#sec-parsetext" title="Static Semantics: ParseText ( sourceText, goalSymbol )">11.1.6 SS: ParseText ( <var>sourceText</var>, <var>goalSymbol</var> )</a></li></ol></li><li>+<a href="ecmascript-language-source-code.html#sec-types-of-source-code" title="Types of Source Code">11.2 Types of Source Code</a><ol class="toc"><li><a href="ecmascript-language-source-code.html#sec-directive-prologues-and-the-use-strict-directive" title="Directive Prologues and the Use Strict Directive">11.2.1 Directive Prologues and the Use Strict Directive</a></li><li>+<a href="ecmascript-language-source-code.html#sec-strict-mode-code" title="Strict Mode Code">11.2.2 Strict Mode Code</a><ol class="toc"><li><a href="ecmascript-language-source-code.html#sec-isstrict" title="Static Semantics: IsStrict ( node )">11.2.2.1 SS: IsStrict ( <var>node</var> )</a></li></ol></li><li><a href="ecmascript-language-source-code.html#sec-non-ecmascript-functions" title="Non-ECMAScript Functions">11.2.3 Non-ECMAScript Functions</a></li></ol></li></ol></li><li>+<a href="ecmascript-language-lexical-grammar.html#sec-ecmascript-language-lexical-grammar" title="ECMAScript Language: Lexical Grammar">12 ECMAScript Language: Lexical Grammar</a><ol class="toc"><li><a href="ecmascript-language-lexical-grammar.html#sec-unicode-format-control-characters" title="Unicode Format-Control Characters">12.1 Unicode Format-Control Characters</a></li><li><a href="ecmascript-language-lexical-grammar.html#sec-white-space" title="White Space">12.2 White Space</a></li><li><a href="ecmascript-language-lexical-grammar.html#sec-line-terminators" title="Line Terminators">12.3 Line Terminators</a></li><li><a href="ecmascript-language-lexical-grammar.html#sec-comments" title="Comments">12.4 Comments</a></li><li><a href="ecmascript-language-lexical-grammar.html#sec-hashbang" title="Hashbang Comments">12.5 Hashbang Comments</a></li><li><a href="ecmascript-language-lexical-grammar.html#sec-tokens" title="Tokens">12.6 Tokens</a></li><li>+<a href="ecmascript-language-lexical-grammar.html#sec-names-and-keywords" title="Names and Keywords">12.7 Names and Keywords</a><ol class="toc"><li>+<a href="ecmascript-language-lexical-grammar.html#sec-identifier-names" title="Identifier Names">12.7.1 Identifier Names</a><ol class="toc"><li><a href="ecmascript-language-lexical-grammar.html#sec-identifier-names-static-semantics-early-errors" title="Static Semantics: Early Errors">12.7.1.1 SS: Early Errors</a></li><li><a href="ecmascript-language-lexical-grammar.html#sec-identifiercodepoints" title="Static Semantics: IdentifierCodePoints">12.7.1.2 SS: IdentifierCodePoints</a></li><li><a href="ecmascript-language-lexical-grammar.html#sec-identifiercodepoint" title="Static Semantics: IdentifierCodePoint">12.7.1.3 SS: IdentifierCodePoint</a></li></ol></li><li><a href="ecmascript-language-lexical-grammar.html#sec-keywords-and-reserved-words" title="Keywords and Reserved Words">12.7.2 Keywords and Reserved Words</a></li></ol></li><li><a href="ecmascript-language-lexical-grammar.html#sec-punctuators" title="Punctuators">12.8 Punctuators</a></li><li>+<a href="ecmascript-language-lexical-grammar.html#sec-ecmascript-language-lexical-grammar-literals" title="Literals">12.9 Literals</a><ol class="toc"><li><a href="ecmascript-language-lexical-grammar.html#sec-null-literals" title="Null Literals">12.9.1 Null Literals</a></li><li><a href="ecmascript-language-lexical-grammar.html#sec-boolean-literals" title="Boolean Literals">12.9.2 Boolean Literals</a></li><li>+<a href="ecmascript-language-lexical-grammar.html#sec-literals-numeric-literals" title="Numeric Literals">12.9.3 Numeric Literals</a><ol class="toc"><li><a href="ecmascript-language-lexical-grammar.html#sec-numeric-literals-early-errors" title="Static Semantics: Early Errors">12.9.3.1 SS: Early Errors</a></li><li><a href="ecmascript-language-lexical-grammar.html#sec-static-semantics-mv" title="Static Semantics: MV">12.9.3.2 SS: MV</a></li><li><a href="ecmascript-language-lexical-grammar.html#sec-numericvalue" title="Static Semantics: NumericValue">12.9.3.3 SS: NumericValue</a></li></ol></li><li>+<a href="ecmascript-language-lexical-grammar.html#sec-literals-string-literals" title="String Literals">12.9.4 String Literals</a><ol class="toc"><li><a href="ecmascript-language-lexical-grammar.html#sec-string-literals-early-errors" title="Static Semantics: Early Errors">12.9.4.1 SS: Early Errors</a></li><li><a href="ecmascript-language-lexical-grammar.html#sec-static-semantics-sv" title="Static Semantics: SV">12.9.4.2 SS: SV</a></li><li><a href="ecmascript-language-lexical-grammar.html#sec-string-literals-static-semantics-mv" title="Static Semantics: MV">12.9.4.3 SS: MV</a></li></ol></li><li>+<a href="ecmascript-language-lexical-grammar.html#sec-literals-regular-expression-literals" title="Regular Expression Literals">12.9.5 Regular Expression Literals</a><ol class="toc"><li><a href="ecmascript-language-lexical-grammar.html#sec-static-semantics-bodytext" title="Static Semantics: BodyText">12.9.5.1 SS: BodyText</a></li><li><a href="ecmascript-language-lexical-grammar.html#sec-static-semantics-flagtext" title="Static Semantics: FlagText">12.9.5.2 SS: FlagText</a></li></ol></li><li>+<a href="ecmascript-language-lexical-grammar.html#sec-template-literal-lexical-components" title="Template Literal Lexical Components">12.9.6 Template Literal Lexical Components</a><ol class="toc"><li><a href="ecmascript-language-lexical-grammar.html#sec-static-semantics-tv" title="Static Semantics: TV">12.9.6.1 SS: TV</a></li><li><a href="ecmascript-language-lexical-grammar.html#sec-static-semantics-trv" title="Static Semantics: TRV">12.9.6.2 SS: TRV</a></li></ol></li></ol></li><li>+<a href="ecmascript-language-lexical-grammar.html#sec-automatic-semicolon-insertion" title="Automatic Semicolon Insertion">12.10 Automatic Semicolon Insertion</a><ol class="toc"><li><a href="ecmascript-language-lexical-grammar.html#sec-rules-of-automatic-semicolon-insertion" title="Rules of Automatic Semicolon Insertion">12.10.1 Rules of Automatic Semicolon Insertion</a></li><li><a href="ecmascript-language-lexical-grammar.html#sec-examples-of-automatic-semicolon-insertion" title="Examples of Automatic Semicolon Insertion">12.10.2 Examples of Automatic Semicolon Insertion</a></li><li>+<a href="ecmascript-language-lexical-grammar.html#sec-interesting-cases-of-automatic-semicolon-insertion" title="Interesting Cases of Automatic Semicolon Insertion">12.10.3 Interesting Cases of Automatic Semicolon Insertion</a><ol class="toc"><li><a href="ecmascript-language-lexical-grammar.html#sec-asi-interesting-cases-in-statement-lists" title="Interesting Cases of Automatic Semicolon Insertion in Statement Lists">12.10.3.1 Interesting Cases of Automatic Semicolon Insertion in Statement Lists</a></li><li>+<a href="ecmascript-language-lexical-grammar.html#sec-asi-cases-with-no-lineterminator-here" title="Cases of Automatic Semicolon Insertion and “[no LineTerminator here]”">12.10.3.2 Cases of Automatic Semicolon Insertion and “[no <emu-nt>LineTerminator</emu-nt> here]”</a><ol class="toc"><li><a href="ecmascript-language-lexical-grammar.html#sec-no-lineterminator-here-automatic-semicolon-insertion-list" title="List of Grammar Productions with Optional Operands and “[no LineTerminator here]”">12.10.3.2.1 List of Grammar Productions with Optional Operands and “[no <emu-nt>LineTerminator</emu-nt> here]”</a></li></ol></li></ol></li></ol></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-ecmascript-language-expressions" title="ECMAScript Language: Expressions">13 ECMAScript Language: Expressions</a><ol class="toc"><li>+<a href="ecmascript-language-expressions.html#sec-identifiers" title="Identifiers">13.1 Identifiers</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-identifiers-static-semantics-early-errors" title="Static Semantics: Early Errors">13.1.1 SS: Early Errors</a></li><li><a href="ecmascript-language-expressions.html#sec-static-semantics-stringvalue" title="Static Semantics: StringValue">13.1.2 SS: StringValue</a></li><li><a href="ecmascript-language-expressions.html#sec-identifiers-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.1.3 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-primary-expression" title="Primary Expression">13.2 Primary Expression</a><ol class="toc"><li>+<a href="ecmascript-language-expressions.html#sec-this-keyword" title="The this Keyword">13.2.1 The <code>this</code> Keyword</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-this-keyword-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.2.1.1 RS: Evaluation</a></li></ol></li><li><a href="ecmascript-language-expressions.html#sec-identifier-reference" title="Identifier Reference">13.2.2 Identifier Reference</a></li><li>+<a href="ecmascript-language-expressions.html#sec-primary-expression-literals" title="Literals">13.2.3 Literals</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-literals-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.2.3.1 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-array-initializer" title="Array Initializer">13.2.4 Array Initializer</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-runtime-semantics-arrayaccumulation" title="Runtime Semantics: ArrayAccumulation">13.2.4.1 RS: ArrayAccumulation</a></li><li><a href="ecmascript-language-expressions.html#sec-array-initializer-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.2.4.2 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-object-initializer" title="Object Initializer">13.2.5 Object Initializer</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-object-initializer-static-semantics-early-errors" title="Static Semantics: Early Errors">13.2.5.1 SS: Early Errors</a></li><li><a href="ecmascript-language-expressions.html#sec-static-semantics-iscomputedpropertykey" title="Static Semantics: IsComputedPropertyKey">13.2.5.2 SS: IsComputedPropertyKey</a></li><li><a href="ecmascript-language-expressions.html#sec-static-semantics-propertynamelist" title="Static Semantics: PropertyNameList">13.2.5.3 SS: PropertyNameList</a></li><li><a href="ecmascript-language-expressions.html#sec-object-initializer-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.2.5.4 RS: Evaluation</a></li><li><a href="ecmascript-language-expressions.html#sec-runtime-semantics-propertydefinitionevaluation" title="Runtime Semantics: PropertyDefinitionEvaluation">13.2.5.5 RS: PropertyDefinitionEvaluation</a></li></ol></li><li><a href="ecmascript-language-expressions.html#sec-function-defining-expressions" title="Function Defining Expressions">13.2.6 Function Defining Expressions</a></li><li>+<a href="ecmascript-language-expressions.html#sec-primary-expression-regular-expression-literals" title="Regular Expression Literals">13.2.7 Regular Expression Literals</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-primary-expression-regular-expression-literals-static-semantics-early-errors" title="Static Semantics: Early Errors">13.2.7.1 SS: Early Errors</a></li><li><a href="ecmascript-language-expressions.html#sec-isvalidregularexpressionliteral" title="Static Semantics: IsValidRegularExpressionLiteral ( literal )">13.2.7.2 SS: IsValidRegularExpressionLiteral ( <var>literal</var> )</a></li><li><a href="ecmascript-language-expressions.html#sec-regular-expression-literals-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.2.7.3 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-template-literals" title="Template Literals">13.2.8 Template Literals</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-static-semantics-template-early-errors" title="Static Semantics: Early Errors">13.2.8.1 SS: Early Errors</a></li><li><a href="ecmascript-language-expressions.html#sec-static-semantics-templatestrings" title="Static Semantics: TemplateStrings">13.2.8.2 SS: TemplateStrings</a></li><li><a href="ecmascript-language-expressions.html#sec-templatestring" title="Static Semantics: TemplateString ( templateToken, raw )">13.2.8.3 SS: TemplateString ( <var>templateToken</var>, <var>raw</var> )</a></li><li><a href="ecmascript-language-expressions.html#sec-gettemplateobject" title="GetTemplateObject ( templateLiteral )">13.2.8.4 GetTemplateObject ( <var>templateLiteral</var> )</a></li><li><a href="ecmascript-language-expressions.html#sec-runtime-semantics-substitutionevaluation" title="Runtime Semantics: SubstitutionEvaluation">13.2.8.5 RS: SubstitutionEvaluation</a></li><li><a href="ecmascript-language-expressions.html#sec-template-literals-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.2.8.6 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-grouping-operator" title="The Grouping Operator">13.2.9 The Grouping Operator</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-grouping-operator-static-semantics-early-errors" title="Static Semantics: Early Errors">13.2.9.1 SS: Early Errors</a></li><li><a href="ecmascript-language-expressions.html#sec-grouping-operator-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.2.9.2 RS: Evaluation</a></li></ol></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-left-hand-side-expressions" title="Left-Hand-Side Expressions">13.3 Left-Hand-Side Expressions</a><ol class="toc"><li>+<a href="ecmascript-language-expressions.html#sec-static-semantics" title="Static Semantics">13.3.1 Static Semantics</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-left-hand-side-expressions-static-semantics-early-errors" title="Static Semantics: Early Errors">13.3.1.1 SS: Early Errors</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-property-accessors" title="Property Accessors">13.3.2 Property Accessors</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-property-accessors-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.3.2.1 RS: Evaluation</a></li></ol></li><li><a href="ecmascript-language-expressions.html#sec-evaluate-property-access-with-expression-key" title="EvaluatePropertyAccessWithExpressionKey ( baseValue, expression, strict )">13.3.3 EvaluatePropertyAccessWithExpressionKey ( <var>baseValue</var>, <var>expression</var>, <var>strict</var> )</a></li><li><a href="ecmascript-language-expressions.html#sec-evaluate-property-access-with-identifier-key" title="EvaluatePropertyAccessWithIdentifierKey ( baseValue, identifierName, strict )">13.3.4 EvaluatePropertyAccessWithIdentifierKey ( <var>baseValue</var>, <var>identifierName</var>, <var>strict</var> )</a></li><li>+<a href="ecmascript-language-expressions.html#sec-new-operator" title="The new Operator">13.3.5 The <code>new</code> Operator</a><ol class="toc"><li>+<a href="ecmascript-language-expressions.html#sec-new-operator-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.3.5.1 RS: Evaluation</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-evaluatenew" title="EvaluateNew ( constructExpr, arguments )">13.3.5.1.1 EvaluateNew ( <var>constructExpr</var>, <var>arguments</var> )</a></li></ol></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-function-calls" title="Function Calls">13.3.6 Function Calls</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-function-calls-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.3.6.1 RS: Evaluation</a></li><li><a href="ecmascript-language-expressions.html#sec-evaluatecall" title="EvaluateCall ( func, ref, arguments, tailPosition )">13.3.6.2 EvaluateCall ( <var>func</var>, <var>ref</var>, <var>arguments</var>, <var>tailPosition</var> )</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-super-keyword" title="The super Keyword">13.3.7 The <code>super</code> Keyword</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-super-keyword-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.3.7.1 RS: Evaluation</a></li><li><a href="ecmascript-language-expressions.html#sec-getsuperconstructor" title="GetSuperConstructor ( )">13.3.7.2 GetSuperConstructor ( )</a></li><li><a href="ecmascript-language-expressions.html#sec-makesuperpropertyreference" title="MakeSuperPropertyReference ( actualThis, propertyKey, strict )">13.3.7.3 MakeSuperPropertyReference ( <var>actualThis</var>, <var>propertyKey</var>, <var>strict</var> )</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-argument-lists" title="Argument Lists">13.3.8 Argument Lists</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-runtime-semantics-argumentlistevaluation" title="Runtime Semantics: ArgumentListEvaluation">13.3.8.1 RS: ArgumentListEvaluation</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-optional-chains" title="Optional Chains">13.3.9 Optional Chains</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-optional-chaining-evaluation" title="Runtime Semantics: Evaluation">13.3.9.1 RS: Evaluation</a></li><li><a href="ecmascript-language-expressions.html#sec-optional-chaining-chain-evaluation" title="Runtime Semantics: ChainEvaluation">13.3.9.2 RS: ChainEvaluation</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-import-calls" title="Import Calls">13.3.10 Import Calls</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-import-call-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.3.10.1 RS: Evaluation</a></li><li><a href="ecmascript-language-expressions.html#sec-evaluate-import-call" title="EvaluateImportCall ( specifierExpression [ , optionsExpression ] )">13.3.10.2 EvaluateImportCall ( <var>specifierExpression</var> [ , <var>optionsExpression</var> ] )</a></li><li><a href="ecmascript-language-expressions.html#sec-ContinueDynamicImport" title="ContinueDynamicImport ( promiseCapability, moduleCompletion )">13.3.10.3 ContinueDynamicImport ( <var>promiseCapability</var>, <var>moduleCompletion</var> )</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-tagged-templates" title="Tagged Templates">13.3.11 Tagged Templates</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-tagged-templates-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.3.11.1 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-meta-properties" title="Meta Properties">13.3.12 Meta Properties</a><ol class="toc"><li>+<a href="ecmascript-language-expressions.html#sec-meta-properties-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.3.12.1 RS: Evaluation</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-hostgetimportmetaproperties" title="HostGetImportMetaProperties ( moduleRecord )">13.3.12.1.1 HostGetImportMetaProperties ( <var>moduleRecord</var> )</a></li><li><a href="ecmascript-language-expressions.html#sec-hostfinalizeimportmeta" title="HostFinalizeImportMeta ( importMeta, moduleRecord )">13.3.12.1.2 HostFinalizeImportMeta ( <var>importMeta</var>, <var>moduleRecord</var> )</a></li></ol></li></ol></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-update-expressions" title="Update Expressions">13.4 Update Expressions</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-update-expressions-static-semantics-early-errors" title="Static Semantics: Early Errors">13.4.1 SS: Early Errors</a></li><li>+<a href="ecmascript-language-expressions.html#sec-postfix-increment-operator" title="Postfix Increment Operator">13.4.2 Postfix Increment Operator</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-postfix-increment-operator-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.4.2.1 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-postfix-decrement-operator" title="Postfix Decrement Operator">13.4.3 Postfix Decrement Operator</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-postfix-decrement-operator-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.4.3.1 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-prefix-increment-operator" title="Prefix Increment Operator">13.4.4 Prefix Increment Operator</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-prefix-increment-operator-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.4.4.1 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-prefix-decrement-operator" title="Prefix Decrement Operator">13.4.5 Prefix Decrement Operator</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-prefix-decrement-operator-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.4.5.1 RS: Evaluation</a></li></ol></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-unary-operators" title="Unary Operators">13.5 Unary Operators</a><ol class="toc"><li>+<a href="ecmascript-language-expressions.html#sec-delete-operator" title="The delete Operator">13.5.1 The <code>delete</code> Operator</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-delete-operator-static-semantics-early-errors" title="Static Semantics: Early Errors">13.5.1.1 SS: Early Errors</a></li><li><a href="ecmascript-language-expressions.html#sec-delete-operator-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.5.1.2 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-void-operator" title="The void Operator">13.5.2 The <code>void</code> Operator</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-void-operator-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.5.2.1 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-typeof-operator" title="The typeof Operator">13.5.3 The <code>typeof</code> Operator</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-typeof-operator-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.5.3.1 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-unary-plus-operator" title="Unary + Operator">13.5.4 Unary <code>+</code> Operator</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-unary-plus-operator-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.5.4.1 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-unary-minus-operator" title="Unary - Operator">13.5.5 Unary <code>-</code> Operator</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-unary-minus-operator-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.5.5.1 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-bitwise-not-operator" title="Bitwise NOT Operator ( ~ )">13.5.6 Bitwise NOT Operator ( <code>~</code> )</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-bitwise-not-operator-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.5.6.1 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-logical-not-operator" title="Logical NOT Operator ( ! )">13.5.7 Logical NOT Operator ( <code>!</code> )</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-logical-not-operator-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.5.7.1 RS: Evaluation</a></li></ol></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-exp-operator" title="Exponentiation Operator">13.6 Exponentiation Operator</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-exp-operator-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.6.1 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-multiplicative-operators" title="Multiplicative Operators">13.7 Multiplicative Operators</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-multiplicative-operators-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.7.1 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-additive-operators" title="Additive Operators">13.8 Additive Operators</a><ol class="toc"><li>+<a href="ecmascript-language-expressions.html#sec-addition-operator-plus" title="The Addition Operator ( + )">13.8.1 The Addition Operator ( <code>+</code> )</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-addition-operator-plus-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.8.1.1 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-subtraction-operator-minus" title="The Subtraction Operator ( - )">13.8.2 The Subtraction Operator ( <code>-</code> )</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-subtraction-operator-minus-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.8.2.1 RS: Evaluation</a></li></ol></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-bitwise-shift-operators" title="Bitwise Shift Operators">13.9 Bitwise Shift Operators</a><ol class="toc"><li>+<a href="ecmascript-language-expressions.html#sec-left-shift-operator" title="The Left Shift Operator ( << )">13.9.1 The Left Shift Operator ( <code><<</code> )</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-left-shift-operator-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.9.1.1 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-signed-right-shift-operator" title="The Signed Right Shift Operator ( >> )">13.9.2 The Signed Right Shift Operator ( <code>>></code> )</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-signed-right-shift-operator-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.9.2.1 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-unsigned-right-shift-operator" title="The Unsigned Right Shift Operator ( >>> )">13.9.3 The Unsigned Right Shift Operator ( <code>>>></code> )</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-unsigned-right-shift-operator-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.9.3.1 RS: Evaluation</a></li></ol></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-relational-operators" title="Relational Operators">13.10 Relational Operators</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-relational-operators-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.10.1 RS: Evaluation</a></li><li><a href="ecmascript-language-expressions.html#sec-instanceofoperator" title="InstanceofOperator ( V, target )">13.10.2 InstanceofOperator ( <var>V</var>, <var>target</var> )</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-equality-operators" title="Equality Operators">13.11 Equality Operators</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-equality-operators-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.11.1 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-binary-bitwise-operators" title="Binary Bitwise Operators">13.12 Binary Bitwise Operators</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-binary-bitwise-operators-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.12.1 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-binary-logical-operators" title="Binary Logical Operators">13.13 Binary Logical Operators</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-binary-logical-operators-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.13.1 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-conditional-operator" title="Conditional Operator ( ? : )">13.14 Conditional Operator ( <code>? :</code> )</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-conditional-operator-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.14.1 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-assignment-operators" title="Assignment Operators">13.15 Assignment Operators</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-assignment-operators-static-semantics-early-errors" title="Static Semantics: Early Errors">13.15.1 SS: Early Errors</a></li><li><a href="ecmascript-language-expressions.html#sec-assignment-operators-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.15.2 RS: Evaluation</a></li><li><a href="ecmascript-language-expressions.html#sec-applystringornumericbinaryoperator" title="ApplyStringOrNumericBinaryOperator ( lVal, opText, rVal )">13.15.3 ApplyStringOrNumericBinaryOperator ( <var>lVal</var>, <var>opText</var>, <var>rVal</var> )</a></li><li><a href="ecmascript-language-expressions.html#sec-evaluatestringornumericbinaryexpression" title="EvaluateStringOrNumericBinaryExpression ( leftOperand, opText, rightOperand )">13.15.4 EvaluateStringOrNumericBinaryExpression ( <var>leftOperand</var>, <var>opText</var>, <var>rightOperand</var> )</a></li><li>+<a href="ecmascript-language-expressions.html#sec-destructuring-assignment" title="Destructuring Assignment">13.15.5 Destructuring Assignment</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-destructuring-assignment-static-semantics-early-errors" title="Static Semantics: Early Errors">13.15.5.1 SS: Early Errors</a></li><li><a href="ecmascript-language-expressions.html#sec-runtime-semantics-destructuringassignmentevaluation" title="Runtime Semantics: DestructuringAssignmentEvaluation">13.15.5.2 RS: DestructuringAssignmentEvaluation</a></li><li><a href="ecmascript-language-expressions.html#sec-runtime-semantics-propertydestructuringassignmentevaluation" title="Runtime Semantics: PropertyDestructuringAssignmentEvaluation">13.15.5.3 RS: PropertyDestructuringAssignmentEvaluation</a></li><li><a href="ecmascript-language-expressions.html#sec-runtime-semantics-restdestructuringassignmentevaluation" title="Runtime Semantics: RestDestructuringAssignmentEvaluation">13.15.5.4 RS: RestDestructuringAssignmentEvaluation</a></li><li><a href="ecmascript-language-expressions.html#sec-runtime-semantics-iteratordestructuringassignmentevaluation" title="Runtime Semantics: IteratorDestructuringAssignmentEvaluation">13.15.5.5 RS: IteratorDestructuringAssignmentEvaluation</a></li><li><a href="ecmascript-language-expressions.html#sec-runtime-semantics-keyeddestructuringassignmentevaluation" title="Runtime Semantics: KeyedDestructuringAssignmentEvaluation">13.15.5.6 RS: KeyedDestructuringAssignmentEvaluation</a></li></ol></li></ol></li><li>+<a href="ecmascript-language-expressions.html#sec-comma-operator" title="Comma Operator ( , )">13.16 Comma Operator ( <code>,</code> )</a><ol class="toc"><li><a href="ecmascript-language-expressions.html#sec-comma-operator-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">13.16.1 RS: Evaluation</a></li></ol></li></ol></li><li>+<a href="ecmascript-language-statements-and-declarations.html#sec-ecmascript-language-statements-and-declarations" title="ECMAScript Language: Statements and Declarations">14 ECMAScript Language: Statements and Declarations</a><ol class="toc"><li>+<a href="ecmascript-language-statements-and-declarations.html#sec-statement-semantics" title="Statement Semantics">14.1 Statement Semantics</a><ol class="toc"><li><a href="ecmascript-language-statements-and-declarations.html#sec-statement-semantics-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">14.1.1 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-statements-and-declarations.html#sec-block" title="Block">14.2 Block</a><ol class="toc"><li><a href="ecmascript-language-statements-and-declarations.html#sec-block-static-semantics-early-errors" title="Static Semantics: Early Errors">14.2.1 SS: Early Errors</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-block-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">14.2.2 RS: Evaluation</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-blockdeclarationinstantiation" title="BlockDeclarationInstantiation ( code, env )">14.2.3 BlockDeclarationInstantiation ( <var>code</var>, <var>env</var> )</a></li></ol></li><li>+<a href="ecmascript-language-statements-and-declarations.html#sec-declarations-and-the-variable-statement" title="Declarations and the Variable Statement">14.3 Declarations and the Variable Statement</a><ol class="toc"><li>+<a href="ecmascript-language-statements-and-declarations.html#sec-let-and-const-declarations" title="Let and Const Declarations">14.3.1 Let and Const Declarations</a><ol class="toc"><li><a href="ecmascript-language-statements-and-declarations.html#sec-let-and-const-declarations-static-semantics-early-errors" title="Static Semantics: Early Errors">14.3.1.1 SS: Early Errors</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-let-and-const-declarations-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">14.3.1.2 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-statements-and-declarations.html#sec-variable-statement" title="Variable Statement">14.3.2 Variable Statement</a><ol class="toc"><li><a href="ecmascript-language-statements-and-declarations.html#sec-variable-statement-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">14.3.2.1 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-statements-and-declarations.html#sec-destructuring-binding-patterns" title="Destructuring Binding Patterns">14.3.3 Destructuring Binding Patterns</a><ol class="toc"><li><a href="ecmascript-language-statements-and-declarations.html#sec-destructuring-binding-patterns-runtime-semantics-propertybindinginitialization" title="Runtime Semantics: PropertyBindingInitialization">14.3.3.1 RS: PropertyBindingInitialization</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-destructuring-binding-patterns-runtime-semantics-restbindinginitialization" title="Runtime Semantics: RestBindingInitialization">14.3.3.2 RS: RestBindingInitialization</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-runtime-semantics-keyedbindinginitialization" title="Runtime Semantics: KeyedBindingInitialization">14.3.3.3 RS: KeyedBindingInitialization</a></li></ol></li></ol></li><li>+<a href="ecmascript-language-statements-and-declarations.html#sec-empty-statement" title="Empty Statement">14.4 Empty Statement</a><ol class="toc"><li><a href="ecmascript-language-statements-and-declarations.html#sec-empty-statement-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">14.4.1 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-statements-and-declarations.html#sec-expression-statement" title="Expression Statement">14.5 Expression Statement</a><ol class="toc"><li><a href="ecmascript-language-statements-and-declarations.html#sec-expression-statement-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">14.5.1 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-statements-and-declarations.html#sec-if-statement" title="The if Statement">14.6 The <code>if</code> Statement</a><ol class="toc"><li><a href="ecmascript-language-statements-and-declarations.html#sec-if-statement-static-semantics-early-errors" title="Static Semantics: Early Errors">14.6.1 SS: Early Errors</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-if-statement-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">14.6.2 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-statements-and-declarations.html#sec-iteration-statements" title="Iteration Statements">14.7 Iteration Statements</a><ol class="toc"><li>+<a href="ecmascript-language-statements-and-declarations.html#sec-iteration-statements-semantics" title="Semantics">14.7.1 Semantics</a><ol class="toc"><li><a href="ecmascript-language-statements-and-declarations.html#sec-loopcontinues" title="LoopContinues ( completion, labelSet )">14.7.1.1 LoopContinues ( <var>completion</var>, <var>labelSet</var> )</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-runtime-semantics-loopevaluation" title="Runtime Semantics: LoopEvaluation">14.7.1.2 RS: LoopEvaluation</a></li></ol></li><li>+<a href="ecmascript-language-statements-and-declarations.html#sec-do-while-statement" title="The do-while Statement">14.7.2 The <code>do</code>-<code>while</code> Statement</a><ol class="toc"><li><a href="ecmascript-language-statements-and-declarations.html#sec-do-while-statement-static-semantics-early-errors" title="Static Semantics: Early Errors">14.7.2.1 SS: Early Errors</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-runtime-semantics-dowhileloopevaluation" title="Runtime Semantics: DoWhileLoopEvaluation">14.7.2.2 RS: DoWhileLoopEvaluation</a></li></ol></li><li>+<a href="ecmascript-language-statements-and-declarations.html#sec-while-statement" title="The while Statement">14.7.3 The <code>while</code> Statement</a><ol class="toc"><li><a href="ecmascript-language-statements-and-declarations.html#sec-while-statement-static-semantics-early-errors" title="Static Semantics: Early Errors">14.7.3.1 SS: Early Errors</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-runtime-semantics-whileloopevaluation" title="Runtime Semantics: WhileLoopEvaluation">14.7.3.2 RS: WhileLoopEvaluation</a></li></ol></li><li>+<a href="ecmascript-language-statements-and-declarations.html#sec-for-statement" title="The for Statement">14.7.4 The <code>for</code> Statement</a><ol class="toc"><li><a href="ecmascript-language-statements-and-declarations.html#sec-for-statement-static-semantics-early-errors" title="Static Semantics: Early Errors">14.7.4.1 SS: Early Errors</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-runtime-semantics-forloopevaluation" title="Runtime Semantics: ForLoopEvaluation">14.7.4.2 RS: ForLoopEvaluation</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-forbodyevaluation" title="ForBodyEvaluation ( test, increment, stmt, perIterationBindings, labelSet )">14.7.4.3 ForBodyEvaluation ( <var>test</var>, <var>increment</var>, <var>stmt</var>, <var>perIterationBindings</var>, <var>labelSet</var> )</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-createperiterationenvironment" title="CreatePerIterationEnvironment ( perIterationBindings )">14.7.4.4 CreatePerIterationEnvironment ( <var>perIterationBindings</var> )</a></li></ol></li><li>+<a href="ecmascript-language-statements-and-declarations.html#sec-for-in-and-for-of-statements" title="The for-in, for-of, and for-await-of Statements">14.7.5 The <code>for</code>-<code>in</code>, <code>for</code>-<code>of</code>, and <code>for</code>-<code>await</code>-<code>of</code> Statements</a><ol class="toc"><li><a href="ecmascript-language-statements-and-declarations.html#sec-for-in-and-for-of-statements-static-semantics-early-errors" title="Static Semantics: Early Errors">14.7.5.1 SS: Early Errors</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-static-semantics-isdestructuring" title="Static Semantics: IsDestructuring">14.7.5.2 SS: IsDestructuring</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-runtime-semantics-fordeclarationbindinginitialization" title="Runtime Semantics: ForDeclarationBindingInitialization">14.7.5.3 RS: ForDeclarationBindingInitialization</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-runtime-semantics-fordeclarationbindinginstantiation" title="Runtime Semantics: ForDeclarationBindingInstantiation">14.7.5.4 RS: ForDeclarationBindingInstantiation</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-runtime-semantics-forinofloopevaluation" title="Runtime Semantics: ForInOfLoopEvaluation">14.7.5.5 RS: ForInOfLoopEvaluation</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-runtime-semantics-forinofheadevaluation" title="ForIn/OfHeadEvaluation ( uninitializedBoundNames, expr, iterationKind )">14.7.5.6 ForIn/OfHeadEvaluation ( <var>uninitializedBoundNames</var>, <var>expr</var>, <var>iterationKind</var> )</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-runtime-semantics-forin-div-ofbodyevaluation-lhs-stmt-iterator-lhskind-labelset" title="ForIn/OfBodyEvaluation ( lhs, stmt, iteratorRecord, iterationKind, lhsKind, labelSet [ , iteratorKind ] )">14.7.5.7 ForIn/OfBodyEvaluation ( <var>lhs</var>, <var>stmt</var>, <var>iteratorRecord</var>, <var>iterationKind</var>, <var>lhsKind</var>, <var>labelSet</var> [ , <var>iteratorKind</var> ] )</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-for-in-and-for-of-statements-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">14.7.5.8 RS: Evaluation</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-enumerate-object-properties" title="EnumerateObjectProperties ( O )">14.7.5.9 EnumerateObjectProperties ( <var>O</var> )</a></li><li>+<a href="ecmascript-language-statements-and-declarations.html#sec-for-in-iterator-objects" title="For-In Iterator Objects">14.7.5.10 For-In Iterator Objects</a><ol class="toc"><li><a href="ecmascript-language-statements-and-declarations.html#sec-createforiniterator" title="CreateForInIterator ( object )">14.7.5.10.1 CreateForInIterator ( <var>object</var> )</a></li><li>+<a href="ecmascript-language-statements-and-declarations.html#sec-%foriniteratorprototype%-object" title="The %ForInIteratorPrototype% Object">14.7.5.10.2 The %ForInIteratorPrototype% Object</a><ol class="toc"><li><a href="ecmascript-language-statements-and-declarations.html#sec-%foriniteratorprototype%.next" title="%ForInIteratorPrototype%.next ( )">14.7.5.10.2.1 %ForInIteratorPrototype%.next ( )</a></li></ol></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-properties-of-for-in-iterator-instances" title="Properties of For-In Iterator Instances">14.7.5.10.3 Properties of For-In Iterator Instances</a></li></ol></li></ol></li></ol></li><li>+<a href="ecmascript-language-statements-and-declarations.html#sec-continue-statement" title="The continue Statement">14.8 The <code>continue</code> Statement</a><ol class="toc"><li><a href="ecmascript-language-statements-and-declarations.html#sec-continue-statement-static-semantics-early-errors" title="Static Semantics: Early Errors">14.8.1 SS: Early Errors</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-continue-statement-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">14.8.2 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-statements-and-declarations.html#sec-break-statement" title="The break Statement">14.9 The <code>break</code> Statement</a><ol class="toc"><li><a href="ecmascript-language-statements-and-declarations.html#sec-break-statement-static-semantics-early-errors" title="Static Semantics: Early Errors">14.9.1 SS: Early Errors</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-break-statement-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">14.9.2 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-statements-and-declarations.html#sec-return-statement" title="The return Statement">14.10 The <code>return</code> Statement</a><ol class="toc"><li><a href="ecmascript-language-statements-and-declarations.html#sec-return-statement-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">14.10.1 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-statements-and-declarations.html#sec-with-statement" title="The with Statement">14.11 The <code>with</code> Statement</a><ol class="toc"><li><a href="ecmascript-language-statements-and-declarations.html#sec-with-statement-static-semantics-early-errors" title="Static Semantics: Early Errors">14.11.1 SS: Early Errors</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-with-statement-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">14.11.2 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-statements-and-declarations.html#sec-switch-statement" title="The switch Statement">14.12 The <code>switch</code> Statement</a><ol class="toc"><li><a href="ecmascript-language-statements-and-declarations.html#sec-switch-statement-static-semantics-early-errors" title="Static Semantics: Early Errors">14.12.1 SS: Early Errors</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-runtime-semantics-caseblockevaluation" title="Runtime Semantics: CaseBlockEvaluation">14.12.2 RS: CaseBlockEvaluation</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-runtime-semantics-caseclauseisselected" title="CaseClauseIsSelected ( C, input )">14.12.3 CaseClauseIsSelected ( <var>C</var>, <var>input</var> )</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-switch-statement-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">14.12.4 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-statements-and-declarations.html#sec-labelled-statements" title="Labelled Statements">14.13 Labelled Statements</a><ol class="toc"><li><a href="ecmascript-language-statements-and-declarations.html#sec-labelled-statements-static-semantics-early-errors" title="Static Semantics: Early Errors">14.13.1 SS: Early Errors</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-islabelledfunction" title="Static Semantics: IsLabelledFunction ( stmt )">14.13.2 SS: IsLabelledFunction ( <var>stmt</var> )</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-labelled-statements-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">14.13.3 RS: Evaluation</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-runtime-semantics-labelledevaluation" title="Runtime Semantics: LabelledEvaluation">14.13.4 RS: LabelledEvaluation</a></li></ol></li><li>+<a href="ecmascript-language-statements-and-declarations.html#sec-throw-statement" title="The throw Statement">14.14 The <code>throw</code> Statement</a><ol class="toc"><li><a href="ecmascript-language-statements-and-declarations.html#sec-throw-statement-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">14.14.1 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-statements-and-declarations.html#sec-try-statement" title="The try Statement">14.15 The <code>try</code> Statement</a><ol class="toc"><li><a href="ecmascript-language-statements-and-declarations.html#sec-try-statement-static-semantics-early-errors" title="Static Semantics: Early Errors">14.15.1 SS: Early Errors</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-runtime-semantics-catchclauseevaluation" title="Runtime Semantics: CatchClauseEvaluation">14.15.2 RS: CatchClauseEvaluation</a></li><li><a href="ecmascript-language-statements-and-declarations.html#sec-try-statement-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">14.15.3 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-statements-and-declarations.html#sec-debugger-statement" title="The debugger Statement">14.16 The <code>debugger</code> Statement</a><ol class="toc"><li><a href="ecmascript-language-statements-and-declarations.html#sec-debugger-statement-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">14.16.1 RS: Evaluation</a></li></ol></li></ol></li><li>+<a href="ecmascript-language-functions-and-classes.html#sec-ecmascript-language-functions-and-classes" title="ECMAScript Language: Functions and Classes">15 ECMAScript Language: Functions and Classes</a><ol class="toc"><li>+<a href="ecmascript-language-functions-and-classes.html#sec-parameter-lists" title="Parameter Lists">15.1 Parameter Lists</a><ol class="toc"><li><a href="ecmascript-language-functions-and-classes.html#sec-parameter-lists-static-semantics-early-errors" title="Static Semantics: Early Errors">15.1.1 SS: Early Errors</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-static-semantics-containsexpression" title="Static Semantics: ContainsExpression">15.1.2 SS: ContainsExpression</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-static-semantics-issimpleparameterlist" title="Static Semantics: IsSimpleParameterList">15.1.3 SS: IsSimpleParameterList</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-static-semantics-hasinitializer" title="Static Semantics: HasInitializer">15.1.4 SS: HasInitializer</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-static-semantics-expectedargumentcount" title="Static Semantics: ExpectedArgumentCount">15.1.5 SS: ExpectedArgumentCount</a></li></ol></li><li>+<a href="ecmascript-language-functions-and-classes.html#sec-function-definitions" title="Function Definitions">15.2 Function Definitions</a><ol class="toc"><li><a href="ecmascript-language-functions-and-classes.html#sec-function-definitions-static-semantics-early-errors" title="Static Semantics: Early Errors">15.2.1 SS: Early Errors</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-static-semantics-functionbodycontainsusestrict" title="Static Semantics: FunctionBodyContainsUseStrict">15.2.2 SS: FunctionBodyContainsUseStrict</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-runtime-semantics-evaluatefunctionbody" title="Runtime Semantics: EvaluateFunctionBody">15.2.3 RS: EvaluateFunctionBody</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-runtime-semantics-instantiateordinaryfunctionobject" title="Runtime Semantics: InstantiateOrdinaryFunctionObject">15.2.4 RS: InstantiateOrdinaryFunctionObject</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-runtime-semantics-instantiateordinaryfunctionexpression" title="Runtime Semantics: InstantiateOrdinaryFunctionExpression">15.2.5 RS: InstantiateOrdinaryFunctionExpression</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-function-definitions-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">15.2.6 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-functions-and-classes.html#sec-arrow-function-definitions" title="Arrow Function Definitions">15.3 Arrow Function Definitions</a><ol class="toc"><li><a href="ecmascript-language-functions-and-classes.html#sec-arrow-function-definitions-static-semantics-early-errors" title="Static Semantics: Early Errors">15.3.1 SS: Early Errors</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-static-semantics-concisebodycontainsusestrict" title="Static Semantics: ConciseBodyContainsUseStrict">15.3.2 SS: ConciseBodyContainsUseStrict</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-runtime-semantics-evaluateconcisebody" title="Runtime Semantics: EvaluateConciseBody">15.3.3 RS: EvaluateConciseBody</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-runtime-semantics-instantiatearrowfunctionexpression" title="Runtime Semantics: InstantiateArrowFunctionExpression">15.3.4 RS: InstantiateArrowFunctionExpression</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-arrow-function-definitions-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">15.3.5 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-functions-and-classes.html#sec-method-definitions" title="Method Definitions">15.4 Method Definitions</a><ol class="toc"><li><a href="ecmascript-language-functions-and-classes.html#sec-method-definitions-static-semantics-early-errors" title="Static Semantics: Early Errors">15.4.1 SS: Early Errors</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-static-semantics-hasdirectsuper" title="Static Semantics: HasDirectSuper">15.4.2 SS: HasDirectSuper</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-static-semantics-specialmethod" title="Static Semantics: SpecialMethod">15.4.3 SS: SpecialMethod</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-runtime-semantics-definemethod" title="Runtime Semantics: DefineMethod">15.4.4 RS: DefineMethod</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-runtime-semantics-methoddefinitionevaluation" title="Runtime Semantics: MethodDefinitionEvaluation">15.4.5 RS: MethodDefinitionEvaluation</a></li></ol></li><li>+<a href="ecmascript-language-functions-and-classes.html#sec-generator-function-definitions" title="Generator Function Definitions">15.5 Generator Function Definitions</a><ol class="toc"><li><a href="ecmascript-language-functions-and-classes.html#sec-generator-function-definitions-static-semantics-early-errors" title="Static Semantics: Early Errors">15.5.1 SS: Early Errors</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-runtime-semantics-evaluategeneratorbody" title="Runtime Semantics: EvaluateGeneratorBody">15.5.2 RS: EvaluateGeneratorBody</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-runtime-semantics-instantiategeneratorfunctionobject" title="Runtime Semantics: InstantiateGeneratorFunctionObject">15.5.3 RS: InstantiateGeneratorFunctionObject</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-runtime-semantics-instantiategeneratorfunctionexpression" title="Runtime Semantics: InstantiateGeneratorFunctionExpression">15.5.4 RS: InstantiateGeneratorFunctionExpression</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-generator-function-definitions-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">15.5.5 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-functions-and-classes.html#sec-async-generator-function-definitions" title="Async Generator Function Definitions">15.6 Async Generator Function Definitions</a><ol class="toc"><li><a href="ecmascript-language-functions-and-classes.html#sec-async-generator-function-definitions-static-semantics-early-errors" title="Static Semantics: Early Errors">15.6.1 SS: Early Errors</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-runtime-semantics-evaluateasyncgeneratorbody" title="Runtime Semantics: EvaluateAsyncGeneratorBody">15.6.2 RS: EvaluateAsyncGeneratorBody</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-runtime-semantics-instantiateasyncgeneratorfunctionobject" title="Runtime Semantics: InstantiateAsyncGeneratorFunctionObject">15.6.3 RS: InstantiateAsyncGeneratorFunctionObject</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-runtime-semantics-instantiateasyncgeneratorfunctionexpression" title="Runtime Semantics: InstantiateAsyncGeneratorFunctionExpression">15.6.4 RS: InstantiateAsyncGeneratorFunctionExpression</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-asyncgenerator-definitions-evaluation" title="Runtime Semantics: Evaluation">15.6.5 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-functions-and-classes.html#sec-class-definitions" title="Class Definitions">15.7 Class Definitions</a><ol class="toc"><li><a href="ecmascript-language-functions-and-classes.html#sec-class-definitions-static-semantics-early-errors" title="Static Semantics: Early Errors">15.7.1 SS: Early Errors</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-static-semantics-classelementkind" title="Static Semantics: ClassElementKind">15.7.2 SS: ClassElementKind</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-static-semantics-constructormethod" title="Static Semantics: ConstructorMethod">15.7.3 SS: ConstructorMethod</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-static-semantics-isstatic" title="Static Semantics: IsStatic">15.7.4 SS: IsStatic</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-static-semantics-nonconstructorelements" title="Static Semantics: NonConstructorElements">15.7.5 SS: NonConstructorElements</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-static-semantics-prototypepropertynamelist" title="Static Semantics: PrototypePropertyNameList">15.7.6 SS: PrototypePropertyNameList</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-static-semantics-allprivateidentifiersvalid" title="Static Semantics: AllPrivateIdentifiersValid">15.7.7 SS: AllPrivateIdentifiersValid</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-static-semantics-privateboundidentifiers" title="Static Semantics: PrivateBoundIdentifiers">15.7.8 SS: PrivateBoundIdentifiers</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-static-semantics-containsarguments" title="Static Semantics: ContainsArguments">15.7.9 SS: ContainsArguments</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-runtime-semantics-classfielddefinitionevaluation" title="Runtime Semantics: ClassFieldDefinitionEvaluation">15.7.10 RS: ClassFieldDefinitionEvaluation</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-runtime-semantics-classstaticblockdefinitionevaluation" title="Runtime Semantics: ClassStaticBlockDefinitionEvaluation">15.7.11 RS: ClassStaticBlockDefinitionEvaluation</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-runtime-semantics-evaluateclassstaticblockbody" title="Runtime Semantics: EvaluateClassStaticBlockBody">15.7.12 RS: EvaluateClassStaticBlockBody</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-static-semantics-classelementevaluation" title="Runtime Semantics: ClassElementEvaluation">15.7.13 RS: ClassElementEvaluation</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-runtime-semantics-classdefinitionevaluation" title="Runtime Semantics: ClassDefinitionEvaluation">15.7.14 RS: ClassDefinitionEvaluation</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-runtime-semantics-bindingclassdeclarationevaluation" title="Runtime Semantics: BindingClassDeclarationEvaluation">15.7.15 RS: BindingClassDeclarationEvaluation</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-class-definitions-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">15.7.16 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-functions-and-classes.html#sec-async-function-definitions" title="Async Function Definitions">15.8 Async Function Definitions</a><ol class="toc"><li><a href="ecmascript-language-functions-and-classes.html#sec-async-function-definitions-static-semantics-early-errors" title="Static Semantics: Early Errors">15.8.1 SS: Early Errors</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-runtime-semantics-instantiateasyncfunctionobject" title="Runtime Semantics: InstantiateAsyncFunctionObject">15.8.2 RS: InstantiateAsyncFunctionObject</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-runtime-semantics-instantiateasyncfunctionexpression" title="Runtime Semantics: InstantiateAsyncFunctionExpression">15.8.3 RS: InstantiateAsyncFunctionExpression</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-runtime-semantics-evaluateasyncfunctionbody" title="Runtime Semantics: EvaluateAsyncFunctionBody">15.8.4 RS: EvaluateAsyncFunctionBody</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-async-function-definitions-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">15.8.5 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-functions-and-classes.html#sec-async-arrow-function-definitions" title="Async Arrow Function Definitions">15.9 Async Arrow Function Definitions</a><ol class="toc"><li><a href="ecmascript-language-functions-and-classes.html#sec-async-arrow-function-definitions-static-semantics-early-errors" title="Static Semantics: Early Errors">15.9.1 SS: Early Errors</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-static-semantics-asyncconcisebodycontainsusestrict" title="Static Semantics: AsyncConciseBodyContainsUseStrict">15.9.2 SS: AsyncConciseBodyContainsUseStrict</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-runtime-semantics-evaluateasyncconcisebody" title="Runtime Semantics: EvaluateAsyncConciseBody">15.9.3 RS: EvaluateAsyncConciseBody</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-runtime-semantics-instantiateasyncarrowfunctionexpression" title="Runtime Semantics: InstantiateAsyncArrowFunctionExpression">15.9.4 RS: InstantiateAsyncArrowFunctionExpression</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-async-arrow-function-definitions-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">15.9.5 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-functions-and-classes.html#sec-tail-position-calls" title="Tail Position Calls">15.10 Tail Position Calls</a><ol class="toc"><li><a href="ecmascript-language-functions-and-classes.html#sec-isintailposition" title="Static Semantics: IsInTailPosition ( call )">15.10.1 SS: IsInTailPosition ( <var>call</var> )</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-static-semantics-hascallintailposition" title="Static Semantics: HasCallInTailPosition">15.10.2 SS: HasCallInTailPosition</a></li><li><a href="ecmascript-language-functions-and-classes.html#sec-preparefortailcall" title="PrepareForTailCall ( )">15.10.3 PrepareForTailCall ( )</a></li></ol></li></ol></li><li>+<a href="ecmascript-language-scripts-and-modules.html#sec-ecmascript-language-scripts-and-modules" title="ECMAScript Language: Scripts and Modules">16 ECMAScript Language: Scripts and Modules</a><ol class="toc"><li>+<a href="ecmascript-language-scripts-and-modules.html#sec-scripts" title="Scripts">16.1 Scripts</a><ol class="toc"><li><a href="ecmascript-language-scripts-and-modules.html#sec-scripts-static-semantics-early-errors" title="Static Semantics: Early Errors">16.1.1 SS: Early Errors</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-scriptisstrict" title="Static Semantics: ScriptIsStrict">16.1.2 SS: ScriptIsStrict</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-script-semantics-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">16.1.3 RS: Evaluation</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-script-records" title="Script Records">16.1.4 Script Records</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-parse-script" title="ParseScript ( sourceText, realm, hostDefined )">16.1.5 ParseScript ( <var>sourceText</var>, <var>realm</var>, <var>hostDefined</var> )</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-runtime-semantics-scriptevaluation" title="ScriptEvaluation ( scriptRecord )">16.1.6 ScriptEvaluation ( <var>scriptRecord</var> )</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-globaldeclarationinstantiation" title="GlobalDeclarationInstantiation ( script, env )">16.1.7 GlobalDeclarationInstantiation ( <var>script</var>, <var>env</var> )</a></li></ol></li><li>+<a href="ecmascript-language-scripts-and-modules.html#sec-modules" title="Modules">16.2 Modules</a><ol class="toc"><li>+<a href="ecmascript-language-scripts-and-modules.html#sec-module-semantics" title="Module Semantics">16.2.1 Module Semantics</a><ol class="toc"><li><a href="ecmascript-language-scripts-and-modules.html#sec-module-semantics-static-semantics-early-errors" title="Static Semantics: Early Errors">16.2.1.1 SS: Early Errors</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-importedlocalnames" title="Static Semantics: ImportedLocalNames ( importEntries )">16.2.1.2 SS: ImportedLocalNames ( <var>importEntries</var> )</a></li><li>+<a href="ecmascript-language-scripts-and-modules.html#sec-modulerequest-record" title="ModuleRequest Records">16.2.1.3 ModuleRequest Records</a><ol class="toc"><li><a href="ecmascript-language-scripts-and-modules.html#sec-ModuleRequestsEqual" title="ModuleRequestsEqual ( left, right )">16.2.1.3.1 ModuleRequestsEqual ( <var>left</var>, <var>right</var> )</a></li></ol></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-static-semantics-modulerequests" title="Static Semantics: ModuleRequests">16.2.1.4 SS: ModuleRequests</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-abstract-module-records" title="Abstract Module Records">16.2.1.5 Abstract Module Records</a></li><li>+<a href="ecmascript-language-scripts-and-modules.html#sec-cyclic-module-records" title="Cyclic Module Records">16.2.1.6 Cyclic Module Records</a><ol class="toc"><li>+<a href="ecmascript-language-scripts-and-modules.html#sec-cyclic-module-record-module-record-methods" title="Implementation of Module Record Abstract Methods">16.2.1.6.1 Implementation of Module Record Abstract Methods</a><ol class="toc"><li>+<a href="ecmascript-language-scripts-and-modules.html#sec-LoadRequestedModules" title="LoadRequestedModules ( [ hostDefined ] )">16.2.1.6.1.1 LoadRequestedModules ( [ <var>hostDefined</var> ] )</a><ol class="toc"><li><a href="ecmascript-language-scripts-and-modules.html#sec-InnerModuleLoading" title="InnerModuleLoading ( state, module )">16.2.1.6.1.1.1 InnerModuleLoading ( <var>state</var>, <var>module</var> )</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-ContinueModuleLoading" title="ContinueModuleLoading ( state, moduleCompletion )">16.2.1.6.1.1.2 ContinueModuleLoading ( <var>state</var>, <var>moduleCompletion</var> )</a></li></ol></li><li>+<a href="ecmascript-language-scripts-and-modules.html#sec-moduledeclarationlinking" title="Link ( )">16.2.1.6.1.2 Link ( )</a><ol class="toc"><li><a href="ecmascript-language-scripts-and-modules.html#sec-InnerModuleLinking" title="InnerModuleLinking ( module, stack, index )">16.2.1.6.1.2.1 InnerModuleLinking ( <var>module</var>, <var>stack</var>, <var>index</var> )</a></li></ol></li><li>+<a href="ecmascript-language-scripts-and-modules.html#sec-moduleevaluation" title="Evaluate ( )">16.2.1.6.1.3 Evaluate ( )</a><ol class="toc"><li><a href="ecmascript-language-scripts-and-modules.html#sec-innermoduleevaluation" title="InnerModuleEvaluation ( module, stack, index )">16.2.1.6.1.3.1 InnerModuleEvaluation ( <var>module</var>, <var>stack</var>, <var>index</var> )</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-execute-async-module" title="ExecuteAsyncModule ( module )">16.2.1.6.1.3.2 ExecuteAsyncModule ( <var>module</var> )</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-gather-available-ancestors" title="GatherAvailableAncestors ( module, execList )">16.2.1.6.1.3.3 GatherAvailableAncestors ( <var>module</var>, <var>execList</var> )</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-async-module-execution-fulfilled" title="AsyncModuleExecutionFulfilled ( module )">16.2.1.6.1.3.4 AsyncModuleExecutionFulfilled ( <var>module</var> )</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-async-module-execution-rejected" title="AsyncModuleExecutionRejected ( module, error )">16.2.1.6.1.3.5 AsyncModuleExecutionRejected ( <var>module</var>, <var>error</var> )</a></li></ol></li></ol></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-example-cyclic-module-record-graphs" title="Example Cyclic Module Record Graphs">16.2.1.6.2 Example Cyclic Module Record Graphs</a></li></ol></li><li>+<a href="ecmascript-language-scripts-and-modules.html#sec-source-text-module-records" title="Source Text Module Records">16.2.1.7 Source Text Module Records</a><ol class="toc"><li><a href="ecmascript-language-scripts-and-modules.html#sec-parsemodule" title="ParseModule ( sourceText, realm, hostDefined )">16.2.1.7.1 ParseModule ( <var>sourceText</var>, <var>realm</var>, <var>hostDefined</var> )</a></li><li>+<a href="ecmascript-language-scripts-and-modules.html#sec-source-text-module-record-module-record-methods" title="Implementation of Module Record Abstract Methods">16.2.1.7.2 Implementation of Module Record Abstract Methods</a><ol class="toc"><li><a href="ecmascript-language-scripts-and-modules.html#sec-getexportednames" title="GetExportedNames ( [ exportStarSet ] )">16.2.1.7.2.1 GetExportedNames ( [ <var>exportStarSet</var> ] )</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-resolveexport" title="ResolveExport ( exportName [ , resolveSet ] )">16.2.1.7.2.2 ResolveExport ( <var>exportName</var> [ , <var>resolveSet</var> ] )</a></li></ol></li><li>+<a href="ecmascript-language-scripts-and-modules.html#sec-source-text-module-record-cyclic-module-record-methods" title="Implementation of Cyclic Module Record Abstract Methods">16.2.1.7.3 Implementation of Cyclic Module Record Abstract Methods</a><ol class="toc"><li><a href="ecmascript-language-scripts-and-modules.html#sec-source-text-module-record-initialize-environment" title="InitializeEnvironment ( )">16.2.1.7.3.1 InitializeEnvironment ( )</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-source-text-module-record-execute-module" title="ExecuteModule ( [ capability ] )">16.2.1.7.3.2 ExecuteModule ( [ <var>capability</var> ] )</a></li></ol></li></ol></li><li>+<a href="ecmascript-language-scripts-and-modules.html#sec-synthetic-module-records" title="Synthetic Module Records">16.2.1.8 Synthetic Module Records</a><ol class="toc"><li><a href="ecmascript-language-scripts-and-modules.html#sec-create-default-export-synthetic-module" title="CreateDefaultExportSyntheticModule ( defaultExport )">16.2.1.8.1 CreateDefaultExportSyntheticModule ( <var>defaultExport</var> )</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-parse-json-module" title="ParseJSONModule ( source )">16.2.1.8.2 ParseJSONModule ( <var>source</var> )</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-setsyntheticmoduleexport" title="SetSyntheticModuleExport ( module, exportName, exportValue )">16.2.1.8.3 SetSyntheticModuleExport ( <var>module</var>, <var>exportName</var>, <var>exportValue</var> )</a></li><li>+<a href="ecmascript-language-scripts-and-modules.html#sec-smr-module-record-methods" title="Implementation of Module Record Abstract Methods">16.2.1.8.4 Implementation of Module Record Abstract Methods</a><ol class="toc"><li><a href="ecmascript-language-scripts-and-modules.html#sec-smr-LoadRequestedModules" title="LoadRequestedModules ( )">16.2.1.8.4.1 LoadRequestedModules ( )</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-smr-getexportednames" title="GetExportedNames ( )">16.2.1.8.4.2 GetExportedNames ( )</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-smr-resolveexport" title="ResolveExport ( exportName )">16.2.1.8.4.3 ResolveExport ( <var>exportName</var> )</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-smr-Link" title="Link ( )">16.2.1.8.4.4 Link ( )</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-smr-Evaluate" title="Evaluate ( )">16.2.1.8.4.5 Evaluate ( )</a></li></ol></li></ol></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-GetImportedModule" title="GetImportedModule ( referrer, request )">16.2.1.9 GetImportedModule ( <var>referrer</var>, <var>request</var> )</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-HostLoadImportedModule" title="HostLoadImportedModule ( referrer, moduleRequest, hostDefined, payload )">16.2.1.10 HostLoadImportedModule ( <var>referrer</var>, <var>moduleRequest</var>, <var>hostDefined</var>, <var>payload</var> )</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-FinishLoadingImportedModule" title="FinishLoadingImportedModule ( referrer, moduleRequest, payload, result )">16.2.1.11 FinishLoadingImportedModule ( <var>referrer</var>, <var>moduleRequest</var>, <var>payload</var>, <var>result</var> )</a></li><li>+<a href="ecmascript-language-scripts-and-modules.html#sec-AllImportAttributesSupported" title="AllImportAttributesSupported ( attributes )">16.2.1.12 AllImportAttributesSupported ( <var>attributes</var> )</a><ol class="toc"><li><a href="ecmascript-language-scripts-and-modules.html#sec-hostgetsupportedimportattributes" title="HostGetSupportedImportAttributes ( )">16.2.1.12.1 HostGetSupportedImportAttributes ( )</a></li></ol></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-getmodulenamespace" title="GetModuleNamespace ( module )">16.2.1.13 GetModuleNamespace ( <var>module</var> )</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-module-semantics-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">16.2.1.14 RS: Evaluation</a></li></ol></li><li>+<a href="ecmascript-language-scripts-and-modules.html#sec-imports" title="Imports">16.2.2 Imports</a><ol class="toc"><li><a href="ecmascript-language-scripts-and-modules.html#sec-imports-static-semantics-early-errors" title="Static Semantics: Early Errors">16.2.2.1 SS: Early Errors</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-static-semantics-importentries" title="Static Semantics: ImportEntries">16.2.2.2 SS: ImportEntries</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-static-semantics-importentriesformodule" title="Static Semantics: ImportEntriesForModule">16.2.2.3 SS: ImportEntriesForModule</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-withclausetoattributes" title="Static Semantics: WithClauseToAttributes">16.2.2.4 SS: WithClauseToAttributes</a></li></ol></li><li>+<a href="ecmascript-language-scripts-and-modules.html#sec-exports" title="Exports">16.2.3 Exports</a><ol class="toc"><li><a href="ecmascript-language-scripts-and-modules.html#sec-exports-static-semantics-early-errors" title="Static Semantics: Early Errors">16.2.3.1 SS: Early Errors</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-static-semantics-exportedbindings" title="Static Semantics: ExportedBindings">16.2.3.2 SS: ExportedBindings</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-static-semantics-exportednames" title="Static Semantics: ExportedNames">16.2.3.3 SS: ExportedNames</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-static-semantics-exportentries" title="Static Semantics: ExportEntries">16.2.3.4 SS: ExportEntries</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-static-semantics-exportentriesformodule" title="Static Semantics: ExportEntriesForModule">16.2.3.5 SS: ExportEntriesForModule</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-static-semantics-referencedbindings" title="Static Semantics: ReferencedBindings">16.2.3.6 SS: ReferencedBindings</a></li><li><a href="ecmascript-language-scripts-and-modules.html#sec-exports-runtime-semantics-evaluation" title="Runtime Semantics: Evaluation">16.2.3.7 RS: Evaluation</a></li></ol></li></ol></li></ol></li><li>+<a href="error-handling-and-language-extensions.html#sec-error-handling-and-language-extensions" title="Error Handling and Language Extensions">17 Error Handling and Language Extensions</a><ol class="toc"><li><a href="error-handling-and-language-extensions.html#sec-forbidden-extensions" title="Forbidden Extensions">17.1 Forbidden Extensions</a></li></ol></li><li><a href="ecmascript-standard-built-in-objects.html#sec-ecmascript-standard-built-in-objects" title="ECMAScript Standard Built-in Objects">18 ECMAScript Standard Built-in Objects</a></li><li>+<a href="global-object.html#sec-global-object" title="The Global Object">19 The Global Object</a><ol class="toc"><li>+<a href="global-object.html#sec-value-properties-of-the-global-object" title="Value Properties of the Global Object">19.1 Value Properties of the Global Object</a><ol class="toc"><li><a href="global-object.html#sec-globalthis" title="globalThis">19.1.1 globalThis</a></li><li><a href="global-object.html#sec-value-properties-of-the-global-object-infinity" title="Infinity">19.1.2 Infinity</a></li><li><a href="global-object.html#sec-value-properties-of-the-global-object-nan" title="NaN">19.1.3 NaN</a></li><li><a href="global-object.html#sec-undefined" title="undefined">19.1.4 undefined</a></li></ol></li><li>+<a href="global-object.html#sec-function-properties-of-the-global-object" title="Function Properties of the Global Object">19.2 Function Properties of the Global Object</a><ol class="toc"><li>+<a href="global-object.html#sec-eval-x" title="eval ( x )">19.2.1 eval ( <var>x</var> )</a><ol class="toc"><li><a href="global-object.html#sec-performeval" title="PerformEval ( x, strictCaller, direct )">19.2.1.1 PerformEval ( <var>x</var>, <var>strictCaller</var>, <var>direct</var> )</a></li><li><a href="global-object.html#sec-hostensurecancompilestrings" title="HostEnsureCanCompileStrings ( calleeRealm, parameterStrings, bodyString, direct )">19.2.1.2 HostEnsureCanCompileStrings ( <var>calleeRealm</var>, <var>parameterStrings</var>, <var>bodyString</var>, <var>direct</var> )</a></li><li><a href="global-object.html#sec-evaldeclarationinstantiation" title="EvalDeclarationInstantiation ( body, varEnv, lexEnv, privateEnv, strict )">19.2.1.3 EvalDeclarationInstantiation ( <var>body</var>, <var>varEnv</var>, <var>lexEnv</var>, <var>privateEnv</var>, <var>strict</var> )</a></li></ol></li><li><a href="global-object.html#sec-isfinite-number" title="isFinite ( number )">19.2.2 isFinite ( <var>number</var> )</a></li><li><a href="global-object.html#sec-isnan-number" title="isNaN ( number )">19.2.3 isNaN ( <var>number</var> )</a></li><li><a href="global-object.html#sec-parsefloat-string" title="parseFloat ( string )">19.2.4 parseFloat ( <var>string</var> )</a></li><li><a href="global-object.html#sec-parseint-string-radix" title="parseInt ( string, radix )">19.2.5 parseInt ( <var>string</var>, <var>radix</var> )</a></li><li>+<a href="global-object.html#sec-uri-handling-functions" title="URI Handling Functions">19.2.6 URI Handling Functions</a><ol class="toc"><li><a href="global-object.html#sec-decodeuri-encodeduri" title="decodeURI ( encodedURI )">19.2.6.1 decodeURI ( <var>encodedURI</var> )</a></li><li><a href="global-object.html#sec-decodeuricomponent-encodeduricomponent" title="decodeURIComponent ( encodedURIComponent )">19.2.6.2 decodeURIComponent ( <var>encodedURIComponent</var> )</a></li><li><a href="global-object.html#sec-encodeuri-uri" title="encodeURI ( uri )">19.2.6.3 encodeURI ( <var>uri</var> )</a></li><li><a href="global-object.html#sec-encodeuricomponent-uricomponent" title="encodeURIComponent ( uriComponent )">19.2.6.4 encodeURIComponent ( <var>uriComponent</var> )</a></li><li><a href="global-object.html#sec-encode" title="Encode ( string, extraUnescaped )">19.2.6.5 Encode ( <var>string</var>, <var>extraUnescaped</var> )</a></li><li><a href="global-object.html#sec-decode" title="Decode ( string, preserveEscapeSet )">19.2.6.6 Decode ( <var>string</var>, <var>preserveEscapeSet</var> )</a></li><li><a href="global-object.html#sec-parsehexoctet" title="ParseHexOctet ( string, position )">19.2.6.7 ParseHexOctet ( <var>string</var>, <var>position</var> )</a></li></ol></li></ol></li><li>+<a href="global-object.html#sec-constructor-properties-of-the-global-object" title="Constructor Properties of the Global Object">19.3 Constructor Properties of the Global Object</a><ol class="toc"><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-aggregate-error" title="AggregateError ( . . . )">19.3.1 AggregateError ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-array" title="Array ( . . . )">19.3.2 Array ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-arraybuffer" title="ArrayBuffer ( . . . )">19.3.3 ArrayBuffer ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-bigint" title="BigInt ( . . . )">19.3.4 BigInt ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-bigint64array" title="BigInt64Array ( . . . )">19.3.5 BigInt64Array ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-biguint64array" title="BigUint64Array ( . . . )">19.3.6 BigUint64Array ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-boolean" title="Boolean ( . . . )">19.3.7 Boolean ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-dataview" title="DataView ( . . . )">19.3.8 DataView ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-date" title="Date ( . . . )">19.3.9 Date ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-error" title="Error ( . . . )">19.3.10 Error ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-evalerror" title="EvalError ( . . . )">19.3.11 EvalError ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-finalization-registry" title="FinalizationRegistry ( . . . )">19.3.12 FinalizationRegistry ( . . . )</a></li><li><a href="global-object.html#sec-float16array" title="Float16Array ( . . . )">19.3.13 Float16Array ( . . . )</a></li><li><a href="global-object.html#sec-float32array" title="Float32Array ( . . . )">19.3.14 Float32Array ( . . . )</a></li><li><a href="global-object.html#sec-float64array" title="Float64Array ( . . . )">19.3.15 Float64Array ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-function" title="Function ( . . . )">19.3.16 Function ( . . . )</a></li><li><a href="global-object.html#sec-int8array" title="Int8Array ( . . . )">19.3.17 Int8Array ( . . . )</a></li><li><a href="global-object.html#sec-int16array" title="Int16Array ( . . . )">19.3.18 Int16Array ( . . . )</a></li><li><a href="global-object.html#sec-int32array" title="Int32Array ( . . . )">19.3.19 Int32Array ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-iterator" title="Iterator ( . . . )">19.3.20 Iterator ( . . . )</a></li><li><a href="global-object.html#sec-map" title="Map ( . . . )">19.3.21 Map ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-number" title="Number ( . . . )">19.3.22 Number ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-object" title="Object ( . . . )">19.3.23 Object ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-promise" title="Promise ( . . . )">19.3.24 Promise ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-proxy" title="Proxy ( . . . )">19.3.25 Proxy ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-rangeerror" title="RangeError ( . . . )">19.3.26 RangeError ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-referenceerror" title="ReferenceError ( . . . )">19.3.27 ReferenceError ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-regexp" title="RegExp ( . . . )">19.3.28 RegExp ( . . . )</a></li><li><a href="global-object.html#sec-set" title="Set ( . . . )">19.3.29 Set ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-sharedarraybuffer" title="SharedArrayBuffer ( . . . )">19.3.30 SharedArrayBuffer ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-string" title="String ( . . . )">19.3.31 String ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-symbol" title="Symbol ( . . . )">19.3.32 Symbol ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-syntaxerror" title="SyntaxError ( . . . )">19.3.33 SyntaxError ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-typeerror" title="TypeError ( . . . )">19.3.34 TypeError ( . . . )</a></li><li><a href="global-object.html#sec-uint8array" title="Uint8Array ( . . . )">19.3.35 Uint8Array ( . . . )</a></li><li><a href="global-object.html#sec-uint8clampedarray" title="Uint8ClampedArray ( . . . )">19.3.36 Uint8ClampedArray ( . . . )</a></li><li><a href="global-object.html#sec-uint16array" title="Uint16Array ( . . . )">19.3.37 Uint16Array ( . . . )</a></li><li><a href="global-object.html#sec-uint32array" title="Uint32Array ( . . . )">19.3.38 Uint32Array ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-urierror" title="URIError ( . . . )">19.3.39 URIError ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-weakmap" title="WeakMap ( . . . )">19.3.40 WeakMap ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-weakref" title="WeakRef ( . . . )">19.3.41 WeakRef ( . . . )</a></li><li><a href="global-object.html#sec-constructor-properties-of-the-global-object-weakset" title="WeakSet ( . . . )">19.3.42 WeakSet ( . . . )</a></li></ol></li><li>+<a href="global-object.html#sec-other-properties-of-the-global-object" title="Other Properties of the Global Object">19.4 Other Properties of the Global Object</a><ol class="toc"><li><a href="global-object.html#sec-atomics" title="Atomics">19.4.1 Atomics</a></li><li><a href="global-object.html#sec-json" title="JSON">19.4.2 JSON</a></li><li><a href="global-object.html#sec-math" title="Math">19.4.3 Math</a></li><li><a href="global-object.html#sec-reflect" title="Reflect">19.4.4 Reflect</a></li></ol></li></ol></li><li>+<a href="fundamental-objects.html#sec-fundamental-objects" title="Fundamental Objects">20 Fundamental Objects</a><ol class="toc"><li>+<a href="fundamental-objects.html#sec-object-objects" title="Object Objects">20.1 Object Objects</a><ol class="toc"><li>+<a href="fundamental-objects.html#sec-object-constructor" title="The Object Constructor">20.1.1 The Object Constructor</a><ol class="toc"><li><a href="fundamental-objects.html#sec-object-value" title="Object ( [ value ] )">20.1.1.1 Object ( [ <var>value</var> ] )</a></li></ol></li><li>+<a href="fundamental-objects.html#sec-properties-of-the-object-constructor" title="Properties of the Object Constructor">20.1.2 Properties of the Object Constructor</a><ol class="toc"><li><a href="fundamental-objects.html#sec-object.assign" title="Object.assign ( target, ...sources )">20.1.2.1 Object.assign ( <var>target</var>, ...<var>sources</var> )</a></li><li><a href="fundamental-objects.html#sec-object.create" title="Object.create ( O, Properties )">20.1.2.2 Object.create ( <var>O</var>, <var>Properties</var> )</a></li><li>+<a href="fundamental-objects.html#sec-object.defineproperties" title="Object.defineProperties ( O, Properties )">20.1.2.3 Object.defineProperties ( <var>O</var>, <var>Properties</var> )</a><ol class="toc"><li><a href="fundamental-objects.html#sec-objectdefineproperties" title="ObjectDefineProperties ( O, Properties )">20.1.2.3.1 ObjectDefineProperties ( <var>O</var>, <var>Properties</var> )</a></li></ol></li><li><a href="fundamental-objects.html#sec-object.defineproperty" title="Object.defineProperty ( O, P, Attributes )">20.1.2.4 Object.defineProperty ( <var>O</var>, <var>P</var>, <var>Attributes</var> )</a></li><li><a href="fundamental-objects.html#sec-object.entries" title="Object.entries ( O )">20.1.2.5 Object.entries ( <var>O</var> )</a></li><li><a href="fundamental-objects.html#sec-object.freeze" title="Object.freeze ( O )">20.1.2.6 Object.freeze ( <var>O</var> )</a></li><li><a href="fundamental-objects.html#sec-object.fromentries" title="Object.fromEntries ( iterable )">20.1.2.7 Object.fromEntries ( <var>iterable</var> )</a></li><li><a href="fundamental-objects.html#sec-object.getownpropertydescriptor" title="Object.getOwnPropertyDescriptor ( O, P )">20.1.2.8 Object.getOwnPropertyDescriptor ( <var>O</var>, <var>P</var> )</a></li><li><a href="fundamental-objects.html#sec-object.getownpropertydescriptors" title="Object.getOwnPropertyDescriptors ( O )">20.1.2.9 Object.getOwnPropertyDescriptors ( <var>O</var> )</a></li><li><a href="fundamental-objects.html#sec-object.getownpropertynames" title="Object.getOwnPropertyNames ( O )">20.1.2.10 Object.getOwnPropertyNames ( <var>O</var> )</a></li><li>+<a href="fundamental-objects.html#sec-object.getownpropertysymbols" title="Object.getOwnPropertySymbols ( O )">20.1.2.11 Object.getOwnPropertySymbols ( <var>O</var> )</a><ol class="toc"><li><a href="fundamental-objects.html#sec-getownpropertykeys" title="GetOwnPropertyKeys ( O, type )">20.1.2.11.1 GetOwnPropertyKeys ( <var>O</var>, <var>type</var> )</a></li></ol></li><li><a href="fundamental-objects.html#sec-object.getprototypeof" title="Object.getPrototypeOf ( O )">20.1.2.12 Object.getPrototypeOf ( <var>O</var> )</a></li><li><a href="fundamental-objects.html#sec-object.groupby" title="Object.groupBy ( items, callback )">20.1.2.13 Object.groupBy ( <var>items</var>, <var>callback</var> )</a></li><li><a href="fundamental-objects.html#sec-object.hasown" title="Object.hasOwn ( O, P )">20.1.2.14 Object.hasOwn ( <var>O</var>, <var>P</var> )</a></li><li><a href="fundamental-objects.html#sec-object.is" title="Object.is ( value1, value2 )">20.1.2.15 Object.is ( <var>value1</var>, <var>value2</var> )</a></li><li><a href="fundamental-objects.html#sec-object.isextensible" title="Object.isExtensible ( O )">20.1.2.16 Object.isExtensible ( <var>O</var> )</a></li><li><a href="fundamental-objects.html#sec-object.isfrozen" title="Object.isFrozen ( O )">20.1.2.17 Object.isFrozen ( <var>O</var> )</a></li><li><a href="fundamental-objects.html#sec-object.issealed" title="Object.isSealed ( O )">20.1.2.18 Object.isSealed ( <var>O</var> )</a></li><li><a href="fundamental-objects.html#sec-object.keys" title="Object.keys ( O )">20.1.2.19 Object.keys ( <var>O</var> )</a></li><li><a href="fundamental-objects.html#sec-object.preventextensions" title="Object.preventExtensions ( O )">20.1.2.20 Object.preventExtensions ( <var>O</var> )</a></li><li><a href="fundamental-objects.html#sec-object.prototype" title="Object.prototype">20.1.2.21 Object.prototype</a></li><li><a href="fundamental-objects.html#sec-object.seal" title="Object.seal ( O )">20.1.2.22 Object.seal ( <var>O</var> )</a></li><li><a href="fundamental-objects.html#sec-object.setprototypeof" title="Object.setPrototypeOf ( O, proto )">20.1.2.23 Object.setPrototypeOf ( <var>O</var>, <var>proto</var> )</a></li><li><a href="fundamental-objects.html#sec-object.values" title="Object.values ( O )">20.1.2.24 Object.values ( <var>O</var> )</a></li></ol></li><li>+<a href="fundamental-objects.html#sec-properties-of-the-object-prototype-object" title="Properties of the Object Prototype Object">20.1.3 Properties of the Object Prototype Object</a><ol class="toc"><li><a href="fundamental-objects.html#sec-object.prototype.constructor" title="Object.prototype.constructor">20.1.3.1 Object.prototype.constructor</a></li><li><a href="fundamental-objects.html#sec-object.prototype.hasownproperty" title="Object.prototype.hasOwnProperty ( V )">20.1.3.2 Object.prototype.hasOwnProperty ( <var>V</var> )</a></li><li><a href="fundamental-objects.html#sec-object.prototype.isprototypeof" title="Object.prototype.isPrototypeOf ( V )">20.1.3.3 Object.prototype.isPrototypeOf ( <var>V</var> )</a></li><li><a href="fundamental-objects.html#sec-object.prototype.propertyisenumerable" title="Object.prototype.propertyIsEnumerable ( V )">20.1.3.4 Object.prototype.propertyIsEnumerable ( <var>V</var> )</a></li><li><a href="fundamental-objects.html#sec-object.prototype.tolocalestring" title="Object.prototype.toLocaleString ( [ reserved1 [ , reserved2 ] ] )">20.1.3.5 Object.prototype.toLocaleString ( [ <var>reserved1</var> [ , <var>reserved2</var> ] ] )</a></li><li><a href="fundamental-objects.html#sec-object.prototype.tostring" title="Object.prototype.toString ( )">20.1.3.6 Object.prototype.toString ( )</a></li><li><a href="fundamental-objects.html#sec-object.prototype.valueof" title="Object.prototype.valueOf ( )">20.1.3.7 Object.prototype.valueOf ( )</a></li><li>+<a href="fundamental-objects.html#sec-object.prototype.__proto__" title="Object.prototype.__proto__">20.1.3.8 Object.prototype.__proto__</a><ol class="toc"><li><a href="fundamental-objects.html#sec-get-object.prototype.__proto__" title="get Object.prototype.__proto__">20.1.3.8.1 get Object.prototype.__proto__</a></li><li><a href="fundamental-objects.html#sec-set-object.prototype.__proto__" title="set Object.prototype.__proto__">20.1.3.8.2 set Object.prototype.__proto__</a></li></ol></li><li>+<a href="fundamental-objects.html#sec-object.prototype-legacy-accessor-methods" title="Legacy Object.prototype Accessor Methods">20.1.3.9 Legacy Object.prototype Accessor Methods</a><ol class="toc"><li><a href="fundamental-objects.html#sec-object.prototype.__defineGetter__" title="Object.prototype.__defineGetter__ ( P, getter )">20.1.3.9.1 Object.prototype.__defineGetter__ ( <var>P</var>, <var>getter</var> )</a></li><li><a href="fundamental-objects.html#sec-object.prototype.__defineSetter__" title="Object.prototype.__defineSetter__ ( P, setter )">20.1.3.9.2 Object.prototype.__defineSetter__ ( <var>P</var>, <var>setter</var> )</a></li><li><a href="fundamental-objects.html#sec-object.prototype.__lookupGetter__" title="Object.prototype.__lookupGetter__ ( P )">20.1.3.9.3 Object.prototype.__lookupGetter__ ( <var>P</var> )</a></li><li><a href="fundamental-objects.html#sec-object.prototype.__lookupSetter__" title="Object.prototype.__lookupSetter__ ( P )">20.1.3.9.4 Object.prototype.__lookupSetter__ ( <var>P</var> )</a></li></ol></li></ol></li><li><a href="fundamental-objects.html#sec-properties-of-object-instances" title="Properties of Object Instances">20.1.4 Properties of Object Instances</a></li></ol></li><li>+<a href="fundamental-objects.html#sec-function-objects" title="Function Objects">20.2 Function Objects</a><ol class="toc"><li>+<a href="fundamental-objects.html#sec-function-constructor" title="The Function Constructor">20.2.1 The Function Constructor</a><ol class="toc"><li>+<a href="fundamental-objects.html#sec-function-p1-p2-pn-body" title="Function ( ...parameterArgs, bodyArg )">20.2.1.1 Function ( ...<var>parameterArgs</var>, <var>bodyArg</var> )</a><ol class="toc"><li><a href="fundamental-objects.html#sec-createdynamicfunction" title="CreateDynamicFunction ( constructor, newTarget, kind, parameterArgs, bodyArg )">20.2.1.1.1 CreateDynamicFunction ( <var>constructor</var>, <var>newTarget</var>, <var>kind</var>, <var>parameterArgs</var>, <var>bodyArg</var> )</a></li></ol></li></ol></li><li>+<a href="fundamental-objects.html#sec-properties-of-the-function-constructor" title="Properties of the Function Constructor">20.2.2 Properties of the Function Constructor</a><ol class="toc"><li><a href="fundamental-objects.html#sec-function.prototype" title="Function.prototype">20.2.2.1 Function.prototype</a></li></ol></li><li>+<a href="fundamental-objects.html#sec-properties-of-the-function-prototype-object" title="Properties of the Function Prototype Object">20.2.3 Properties of the Function Prototype Object</a><ol class="toc"><li><a href="fundamental-objects.html#sec-function.prototype.apply" title="Function.prototype.apply ( thisArg, argArray )">20.2.3.1 Function.prototype.apply ( <var>thisArg</var>, <var>argArray</var> )</a></li><li><a href="fundamental-objects.html#sec-function.prototype.bind" title="Function.prototype.bind ( thisArg, ...args )">20.2.3.2 Function.prototype.bind ( <var>thisArg</var>, ...<var>args</var> )</a></li><li><a href="fundamental-objects.html#sec-function.prototype.call" title="Function.prototype.call ( thisArg, ...args )">20.2.3.3 Function.prototype.call ( <var>thisArg</var>, ...<var>args</var> )</a></li><li><a href="fundamental-objects.html#sec-function.prototype.constructor" title="Function.prototype.constructor">20.2.3.4 Function.prototype.constructor</a></li><li><a href="fundamental-objects.html#sec-function.prototype.tostring" title="Function.prototype.toString ( )">20.2.3.5 Function.prototype.toString ( )</a></li><li><a href="fundamental-objects.html#sec-function.prototype-%symbol.hasinstance%" title="Function.prototype [ %Symbol.hasInstance% ] ( V )">20.2.3.6 Function.prototype [ %Symbol.hasInstance% ] ( <var>V</var> )</a></li></ol></li><li>+<a href="fundamental-objects.html#sec-function-instances" title="Function Instances">20.2.4 Function Instances</a><ol class="toc"><li><a href="fundamental-objects.html#sec-function-instances-length" title="length">20.2.4.1 length</a></li><li><a href="fundamental-objects.html#sec-function-instances-name" title="name">20.2.4.2 name</a></li><li><a href="fundamental-objects.html#sec-function-instances-prototype" title="prototype">20.2.4.3 prototype</a></li></ol></li><li><a href="fundamental-objects.html#sec-hosthassourcetextavailable" title="HostHasSourceTextAvailable ( func )">20.2.5 HostHasSourceTextAvailable ( <var>func</var> )</a></li></ol></li><li>+<a href="fundamental-objects.html#sec-boolean-objects" title="Boolean Objects">20.3 Boolean Objects</a><ol class="toc"><li>+<a href="fundamental-objects.html#sec-boolean-constructor" title="The Boolean Constructor">20.3.1 The Boolean Constructor</a><ol class="toc"><li><a href="fundamental-objects.html#sec-boolean-constructor-boolean-value" title="Boolean ( value )">20.3.1.1 Boolean ( <var>value</var> )</a></li></ol></li><li>+<a href="fundamental-objects.html#sec-properties-of-the-boolean-constructor" title="Properties of the Boolean Constructor">20.3.2 Properties of the Boolean Constructor</a><ol class="toc"><li><a href="fundamental-objects.html#sec-boolean.prototype" title="Boolean.prototype">20.3.2.1 Boolean.prototype</a></li></ol></li><li>+<a href="fundamental-objects.html#sec-properties-of-the-boolean-prototype-object" title="Properties of the Boolean Prototype Object">20.3.3 Properties of the Boolean Prototype Object</a><ol class="toc"><li><a href="fundamental-objects.html#sec-boolean.prototype.constructor" title="Boolean.prototype.constructor">20.3.3.1 Boolean.prototype.constructor</a></li><li><a href="fundamental-objects.html#sec-boolean.prototype.tostring" title="Boolean.prototype.toString ( )">20.3.3.2 Boolean.prototype.toString ( )</a></li><li>+<a href="fundamental-objects.html#sec-boolean.prototype.valueof" title="Boolean.prototype.valueOf ( )">20.3.3.3 Boolean.prototype.valueOf ( )</a><ol class="toc"><li><a href="fundamental-objects.html#sec-thisbooleanvalue" title="ThisBooleanValue ( value )">20.3.3.3.1 ThisBooleanValue ( <var>value</var> )</a></li></ol></li></ol></li><li><a href="fundamental-objects.html#sec-properties-of-boolean-instances" title="Properties of Boolean Instances">20.3.4 Properties of Boolean Instances</a></li></ol></li><li>+<a href="fundamental-objects.html#sec-symbol-objects" title="Symbol Objects">20.4 Symbol Objects</a><ol class="toc"><li>+<a href="fundamental-objects.html#sec-symbol-constructor" title="The Symbol Constructor">20.4.1 The Symbol Constructor</a><ol class="toc"><li><a href="fundamental-objects.html#sec-symbol-description" title="Symbol ( [ description ] )">20.4.1.1 Symbol ( [ <var>description</var> ] )</a></li></ol></li><li>+<a href="fundamental-objects.html#sec-properties-of-the-symbol-constructor" title="Properties of the Symbol Constructor">20.4.2 Properties of the Symbol Constructor</a><ol class="toc"><li><a href="fundamental-objects.html#sec-symbol.asynciterator" title="Symbol.asyncIterator">20.4.2.1 Symbol.asyncIterator</a></li><li><a href="fundamental-objects.html#sec-symbol.for" title="Symbol.for ( key )">20.4.2.2 Symbol.for ( <var>key</var> )</a></li><li><a href="fundamental-objects.html#sec-symbol.hasinstance" title="Symbol.hasInstance">20.4.2.3 Symbol.hasInstance</a></li><li><a href="fundamental-objects.html#sec-symbol.isconcatspreadable" title="Symbol.isConcatSpreadable">20.4.2.4 Symbol.isConcatSpreadable</a></li><li><a href="fundamental-objects.html#sec-symbol.iterator" title="Symbol.iterator">20.4.2.5 Symbol.iterator</a></li><li><a href="fundamental-objects.html#sec-symbol.keyfor" title="Symbol.keyFor ( sym )">20.4.2.6 Symbol.keyFor ( <var>sym</var> )</a></li><li><a href="fundamental-objects.html#sec-symbol.match" title="Symbol.match">20.4.2.7 Symbol.match</a></li><li><a href="fundamental-objects.html#sec-symbol.matchall" title="Symbol.matchAll">20.4.2.8 Symbol.matchAll</a></li><li><a href="fundamental-objects.html#sec-symbol.prototype" title="Symbol.prototype">20.4.2.9 Symbol.prototype</a></li><li><a href="fundamental-objects.html#sec-symbol.replace" title="Symbol.replace">20.4.2.10 Symbol.replace</a></li><li><a href="fundamental-objects.html#sec-symbol.search" title="Symbol.search">20.4.2.11 Symbol.search</a></li><li><a href="fundamental-objects.html#sec-symbol.species" title="Symbol.species">20.4.2.12 Symbol.species</a></li><li><a href="fundamental-objects.html#sec-symbol.split" title="Symbol.split">20.4.2.13 Symbol.split</a></li><li><a href="fundamental-objects.html#sec-symbol.toprimitive" title="Symbol.toPrimitive">20.4.2.14 Symbol.toPrimitive</a></li><li><a href="fundamental-objects.html#sec-symbol.tostringtag" title="Symbol.toStringTag">20.4.2.15 Symbol.toStringTag</a></li><li><a href="fundamental-objects.html#sec-symbol.unscopables" title="Symbol.unscopables">20.4.2.16 Symbol.unscopables</a></li></ol></li><li>+<a href="fundamental-objects.html#sec-properties-of-the-symbol-prototype-object" title="Properties of the Symbol Prototype Object">20.4.3 Properties of the Symbol Prototype Object</a><ol class="toc"><li><a href="fundamental-objects.html#sec-symbol.prototype.constructor" title="Symbol.prototype.constructor">20.4.3.1 Symbol.prototype.constructor</a></li><li><a href="fundamental-objects.html#sec-symbol.prototype.description" title="get Symbol.prototype.description">20.4.3.2 get Symbol.prototype.description</a></li><li>+<a href="fundamental-objects.html#sec-symbol.prototype.tostring" title="Symbol.prototype.toString ( )">20.4.3.3 Symbol.prototype.toString ( )</a><ol class="toc"><li><a href="fundamental-objects.html#sec-symboldescriptivestring" title="SymbolDescriptiveString ( sym )">20.4.3.3.1 SymbolDescriptiveString ( <var>sym</var> )</a></li></ol></li><li>+<a href="fundamental-objects.html#sec-symbol.prototype.valueof" title="Symbol.prototype.valueOf ( )">20.4.3.4 Symbol.prototype.valueOf ( )</a><ol class="toc"><li><a href="fundamental-objects.html#sec-thissymbolvalue" title="ThisSymbolValue ( value )">20.4.3.4.1 ThisSymbolValue ( <var>value</var> )</a></li></ol></li><li><a href="fundamental-objects.html#sec-symbol.prototype-%symbol.toprimitive%" title="Symbol.prototype [ %Symbol.toPrimitive% ] ( hint )">20.4.3.5 Symbol.prototype [ %Symbol.toPrimitive% ] ( <var>hint</var> )</a></li><li><a href="fundamental-objects.html#sec-symbol.prototype-%symbol.tostringtag%" title="Symbol.prototype [ %Symbol.toStringTag% ]">20.4.3.6 Symbol.prototype [ %Symbol.toStringTag% ]</a></li></ol></li><li><a href="fundamental-objects.html#sec-properties-of-symbol-instances" title="Properties of Symbol Instances">20.4.4 Properties of Symbol Instances</a></li><li>+<a href="fundamental-objects.html#sec-abstract-operations-for-symbols" title="Abstract Operations for Symbols">20.4.5 Abstract Operations for Symbols</a><ol class="toc"><li><a href="fundamental-objects.html#sec-keyforsymbol" title="KeyForSymbol ( sym )">20.4.5.1 KeyForSymbol ( <var>sym</var> )</a></li></ol></li></ol></li><li>+<a href="fundamental-objects.html#sec-error-objects" title="Error Objects">20.5 Error Objects</a><ol class="toc"><li>+<a href="fundamental-objects.html#sec-error-constructor" title="The Error Constructor">20.5.1 The Error Constructor</a><ol class="toc"><li><a href="fundamental-objects.html#sec-error-message" title="Error ( message [ , options ] )">20.5.1.1 Error ( <var>message</var> [ , <var>options</var> ] )</a></li></ol></li><li>+<a href="fundamental-objects.html#sec-properties-of-the-error-constructor" title="Properties of the Error Constructor">20.5.2 Properties of the Error Constructor</a><ol class="toc"><li><a href="fundamental-objects.html#sec-error.prototype" title="Error.prototype">20.5.2.1 Error.prototype</a></li></ol></li><li>+<a href="fundamental-objects.html#sec-properties-of-the-error-prototype-object" title="Properties of the Error Prototype Object">20.5.3 Properties of the Error Prototype Object</a><ol class="toc"><li><a href="fundamental-objects.html#sec-error.prototype.constructor" title="Error.prototype.constructor">20.5.3.1 Error.prototype.constructor</a></li><li><a href="fundamental-objects.html#sec-error.prototype.message" title="Error.prototype.message">20.5.3.2 Error.prototype.message</a></li><li><a href="fundamental-objects.html#sec-error.prototype.name" title="Error.prototype.name">20.5.3.3 Error.prototype.name</a></li><li><a href="fundamental-objects.html#sec-error.prototype.tostring" title="Error.prototype.toString ( )">20.5.3.4 Error.prototype.toString ( )</a></li></ol></li><li><a href="fundamental-objects.html#sec-properties-of-error-instances" title="Properties of Error Instances">20.5.4 Properties of Error Instances</a></li><li>+<a href="fundamental-objects.html#sec-native-error-types-used-in-this-standard" title="Native Error Types Used in This Standard">20.5.5 Native Error Types Used in This Standard</a><ol class="toc"><li><a href="fundamental-objects.html#sec-native-error-types-used-in-this-standard-evalerror" title="EvalError">20.5.5.1 EvalError</a></li><li><a href="fundamental-objects.html#sec-native-error-types-used-in-this-standard-rangeerror" title="RangeError">20.5.5.2 RangeError</a></li><li><a href="fundamental-objects.html#sec-native-error-types-used-in-this-standard-referenceerror" title="ReferenceError">20.5.5.3 ReferenceError</a></li><li><a href="fundamental-objects.html#sec-native-error-types-used-in-this-standard-syntaxerror" title="SyntaxError">20.5.5.4 SyntaxError</a></li><li><a href="fundamental-objects.html#sec-native-error-types-used-in-this-standard-typeerror" title="TypeError">20.5.5.5 TypeError</a></li><li><a href="fundamental-objects.html#sec-native-error-types-used-in-this-standard-urierror" title="URIError">20.5.5.6 URIError</a></li></ol></li><li>+<a href="fundamental-objects.html#sec-nativeerror-object-structure" title="NativeError Object Structure">20.5.6 <var>NativeError</var> Object Structure</a><ol class="toc"><li>+<a href="fundamental-objects.html#sec-nativeerror-constructors" title="The NativeError Constructors">20.5.6.1 The <var>NativeError</var> Constructors</a><ol class="toc"><li><a href="fundamental-objects.html#sec-nativeerror" title="NativeError ( message [ , options ] )">20.5.6.1.1 <var>NativeError</var> ( <var>message</var> [ , <var>options</var> ] )</a></li></ol></li><li>+<a href="fundamental-objects.html#sec-properties-of-the-nativeerror-constructors" title="Properties of the NativeError Constructors">20.5.6.2 Properties of the <var>NativeError</var> Constructors</a><ol class="toc"><li><a href="fundamental-objects.html#sec-nativeerror.prototype" title="NativeError.prototype">20.5.6.2.1 <var>NativeError</var>.prototype</a></li></ol></li><li>+<a href="fundamental-objects.html#sec-properties-of-the-nativeerror-prototype-objects" title="Properties of the NativeError Prototype Objects">20.5.6.3 Properties of the <var>NativeError</var> Prototype Objects</a><ol class="toc"><li><a href="fundamental-objects.html#sec-nativeerror.prototype.constructor" title="NativeError.prototype.constructor">20.5.6.3.1 <var>NativeError</var>.prototype.constructor</a></li><li><a href="fundamental-objects.html#sec-nativeerror.prototype.message" title="NativeError.prototype.message">20.5.6.3.2 <var>NativeError</var>.prototype.message</a></li><li><a href="fundamental-objects.html#sec-nativeerror.prototype.name" title="NativeError.prototype.name">20.5.6.3.3 <var>NativeError</var>.prototype.name</a></li></ol></li><li><a href="fundamental-objects.html#sec-properties-of-nativeerror-instances" title="Properties of NativeError Instances">20.5.6.4 Properties of <var>NativeError</var> Instances</a></li></ol></li><li>+<a href="fundamental-objects.html#sec-aggregate-error-objects" title="AggregateError Objects">20.5.7 AggregateError Objects</a><ol class="toc"><li>+<a href="fundamental-objects.html#sec-aggregate-error-constructor" title="The AggregateError Constructor">20.5.7.1 The AggregateError Constructor</a><ol class="toc"><li><a href="fundamental-objects.html#sec-aggregate-error" title="AggregateError ( errors, message [ , options ] )">20.5.7.1.1 AggregateError ( <var>errors</var>, <var>message</var> [ , <var>options</var> ] )</a></li></ol></li><li>+<a href="fundamental-objects.html#sec-properties-of-the-aggregate-error-constructors" title="Properties of the AggregateError Constructor">20.5.7.2 Properties of the AggregateError Constructor</a><ol class="toc"><li><a href="fundamental-objects.html#sec-aggregate-error.prototype" title="AggregateError.prototype">20.5.7.2.1 AggregateError.prototype</a></li></ol></li><li>+<a href="fundamental-objects.html#sec-properties-of-the-aggregate-error-prototype-objects" title="Properties of the AggregateError Prototype Object">20.5.7.3 Properties of the AggregateError Prototype Object</a><ol class="toc"><li><a href="fundamental-objects.html#sec-aggregate-error.prototype.constructor" title="AggregateError.prototype.constructor">20.5.7.3.1 AggregateError.prototype.constructor</a></li><li><a href="fundamental-objects.html#sec-aggregate-error.prototype.message" title="AggregateError.prototype.message">20.5.7.3.2 AggregateError.prototype.message</a></li><li><a href="fundamental-objects.html#sec-aggregate-error.prototype.name" title="AggregateError.prototype.name">20.5.7.3.3 AggregateError.prototype.name</a></li></ol></li><li><a href="fundamental-objects.html#sec-properties-of-aggregate-error-instances" title="Properties of AggregateError Instances">20.5.7.4 Properties of AggregateError Instances</a></li></ol></li><li>+<a href="fundamental-objects.html#sec-abstract-operations-for-error-objects" title="Abstract Operations for Error Objects">20.5.8 Abstract Operations for Error Objects</a><ol class="toc"><li><a href="fundamental-objects.html#sec-installerrorcause" title="InstallErrorCause ( O, options )">20.5.8.1 InstallErrorCause ( <var>O</var>, <var>options</var> )</a></li></ol></li></ol></li></ol></li><li>+<a href="numbers-and-dates.html#sec-numbers-and-dates" title="Numbers and Dates">21 Numbers and Dates</a><ol class="toc"><li>+<a href="numbers-and-dates.html#sec-number-objects" title="Number Objects">21.1 Number Objects</a><ol class="toc"><li>+<a href="numbers-and-dates.html#sec-number-constructor" title="The Number Constructor">21.1.1 The Number Constructor</a><ol class="toc"><li><a href="numbers-and-dates.html#sec-number-constructor-number-value" title="Number ( value )">21.1.1.1 Number ( <var>value</var> )</a></li></ol></li><li>+<a href="numbers-and-dates.html#sec-properties-of-the-number-constructor" title="Properties of the Number Constructor">21.1.2 Properties of the Number Constructor</a><ol class="toc"><li><a href="numbers-and-dates.html#sec-number.epsilon" title="Number.EPSILON">21.1.2.1 Number.EPSILON</a></li><li><a href="numbers-and-dates.html#sec-number.isfinite" title="Number.isFinite ( number )">21.1.2.2 Number.isFinite ( <var>number</var> )</a></li><li><a href="numbers-and-dates.html#sec-number.isinteger" title="Number.isInteger ( number )">21.1.2.3 Number.isInteger ( <var>number</var> )</a></li><li><a href="numbers-and-dates.html#sec-number.isnan" title="Number.isNaN ( number )">21.1.2.4 Number.isNaN ( <var>number</var> )</a></li><li><a href="numbers-and-dates.html#sec-number.issafeinteger" title="Number.isSafeInteger ( number )">21.1.2.5 Number.isSafeInteger ( <var>number</var> )</a></li><li><a href="numbers-and-dates.html#sec-number.max_safe_integer" title="Number.MAX_SAFE_INTEGER">21.1.2.6 Number.MAX_SAFE_INTEGER</a></li><li><a href="numbers-and-dates.html#sec-number.max_value" title="Number.MAX_VALUE">21.1.2.7 Number.MAX_VALUE</a></li><li><a href="numbers-and-dates.html#sec-number.min_safe_integer" title="Number.MIN_SAFE_INTEGER">21.1.2.8 Number.MIN_SAFE_INTEGER</a></li><li><a href="numbers-and-dates.html#sec-number.min_value" title="Number.MIN_VALUE">21.1.2.9 Number.MIN_VALUE</a></li><li><a href="numbers-and-dates.html#sec-number.nan" title="Number.NaN">21.1.2.10 Number.NaN</a></li><li><a href="numbers-and-dates.html#sec-number.negative_infinity" title="Number.NEGATIVE_INFINITY">21.1.2.11 Number.NEGATIVE_INFINITY</a></li><li><a href="numbers-and-dates.html#sec-number.parsefloat" title="Number.parseFloat ( string )">21.1.2.12 Number.parseFloat ( <var>string</var> )</a></li><li><a href="numbers-and-dates.html#sec-number.parseint" title="Number.parseInt ( string, radix )">21.1.2.13 Number.parseInt ( <var>string</var>, <var>radix</var> )</a></li><li><a href="numbers-and-dates.html#sec-number.positive_infinity" title="Number.POSITIVE_INFINITY">21.1.2.14 Number.POSITIVE_INFINITY</a></li><li><a href="numbers-and-dates.html#sec-number.prototype" title="Number.prototype">21.1.2.15 Number.prototype</a></li></ol></li><li>+<a href="numbers-and-dates.html#sec-properties-of-the-number-prototype-object" title="Properties of the Number Prototype Object">21.1.3 Properties of the Number Prototype Object</a><ol class="toc"><li><a href="numbers-and-dates.html#sec-number.prototype.constructor" title="Number.prototype.constructor">21.1.3.1 Number.prototype.constructor</a></li><li><a href="numbers-and-dates.html#sec-number.prototype.toexponential" title="Number.prototype.toExponential ( fractionDigits )">21.1.3.2 Number.prototype.toExponential ( <var>fractionDigits</var> )</a></li><li><a href="numbers-and-dates.html#sec-number.prototype.tofixed" title="Number.prototype.toFixed ( fractionDigits )">21.1.3.3 Number.prototype.toFixed ( <var>fractionDigits</var> )</a></li><li><a href="numbers-and-dates.html#sec-number.prototype.tolocalestring" title="Number.prototype.toLocaleString ( [ reserved1 [ , reserved2 ] ] )">21.1.3.4 Number.prototype.toLocaleString ( [ <var>reserved1</var> [ , <var>reserved2</var> ] ] )</a></li><li><a href="numbers-and-dates.html#sec-number.prototype.toprecision" title="Number.prototype.toPrecision ( precision )">21.1.3.5 Number.prototype.toPrecision ( <var>precision</var> )</a></li><li><a href="numbers-and-dates.html#sec-number.prototype.tostring" title="Number.prototype.toString ( [ radix ] )">21.1.3.6 Number.prototype.toString ( [ <var>radix</var> ] )</a></li><li>+<a href="numbers-and-dates.html#sec-number.prototype.valueof" title="Number.prototype.valueOf ( )">21.1.3.7 Number.prototype.valueOf ( )</a><ol class="toc"><li><a href="numbers-and-dates.html#sec-thisnumbervalue" title="ThisNumberValue ( value )">21.1.3.7.1 ThisNumberValue ( <var>value</var> )</a></li></ol></li></ol></li><li><a href="numbers-and-dates.html#sec-properties-of-number-instances" title="Properties of Number Instances">21.1.4 Properties of Number Instances</a></li></ol></li><li>+<a href="numbers-and-dates.html#sec-bigint-objects" title="BigInt Objects">21.2 BigInt Objects</a><ol class="toc"><li>+<a href="numbers-and-dates.html#sec-bigint-constructor" title="The BigInt Constructor">21.2.1 The BigInt Constructor</a><ol class="toc"><li>+<a href="numbers-and-dates.html#sec-bigint-constructor-number-value" title="BigInt ( value )">21.2.1.1 BigInt ( <var>value</var> )</a><ol class="toc"><li><a href="numbers-and-dates.html#sec-numbertobigint" title="NumberToBigInt ( number )">21.2.1.1.1 NumberToBigInt ( <var>number</var> )</a></li></ol></li></ol></li><li>+<a href="numbers-and-dates.html#sec-properties-of-the-bigint-constructor" title="Properties of the BigInt Constructor">21.2.2 Properties of the BigInt Constructor</a><ol class="toc"><li><a href="numbers-and-dates.html#sec-bigint.asintn" title="BigInt.asIntN ( bits, bigint )">21.2.2.1 BigInt.asIntN ( <var>bits</var>, <var>bigint</var> )</a></li><li><a href="numbers-and-dates.html#sec-bigint.asuintn" title="BigInt.asUintN ( bits, bigint )">21.2.2.2 BigInt.asUintN ( <var>bits</var>, <var>bigint</var> )</a></li><li><a href="numbers-and-dates.html#sec-bigint.prototype" title="BigInt.prototype">21.2.2.3 BigInt.prototype</a></li></ol></li><li>+<a href="numbers-and-dates.html#sec-properties-of-the-bigint-prototype-object" title="Properties of the BigInt Prototype Object">21.2.3 Properties of the BigInt Prototype Object</a><ol class="toc"><li><a href="numbers-and-dates.html#sec-bigint.prototype.constructor" title="BigInt.prototype.constructor">21.2.3.1 BigInt.prototype.constructor</a></li><li><a href="numbers-and-dates.html#sec-bigint.prototype.tolocalestring" title="BigInt.prototype.toLocaleString ( [ reserved1 [ , reserved2 ] ] )">21.2.3.2 BigInt.prototype.toLocaleString ( [ <var>reserved1</var> [ , <var>reserved2</var> ] ] )</a></li><li><a href="numbers-and-dates.html#sec-bigint.prototype.tostring" title="BigInt.prototype.toString ( [ radix ] )">21.2.3.3 BigInt.prototype.toString ( [ <var>radix</var> ] )</a></li><li>+<a href="numbers-and-dates.html#sec-bigint.prototype.valueof" title="BigInt.prototype.valueOf ( )">21.2.3.4 BigInt.prototype.valueOf ( )</a><ol class="toc"><li><a href="numbers-and-dates.html#sec-thisbigintvalue" title="ThisBigIntValue ( value )">21.2.3.4.1 ThisBigIntValue ( <var>value</var> )</a></li></ol></li><li><a href="numbers-and-dates.html#sec-bigint.prototype-%symbol.tostringtag%" title="BigInt.prototype [ %Symbol.toStringTag% ]">21.2.3.5 BigInt.prototype [ %Symbol.toStringTag% ]</a></li></ol></li><li><a href="numbers-and-dates.html#sec-properties-of-bigint-instances" title="Properties of BigInt Instances">21.2.4 Properties of BigInt Instances</a></li></ol></li><li>+<a href="numbers-and-dates.html#sec-math-object" title="The Math Object">21.3 The Math Object</a><ol class="toc"><li>+<a href="numbers-and-dates.html#sec-value-properties-of-the-math-object" title="Value Properties of the Math Object">21.3.1 Value Properties of the Math Object</a><ol class="toc"><li><a href="numbers-and-dates.html#sec-math.e" title="Math.E">21.3.1.1 Math.E</a></li><li><a href="numbers-and-dates.html#sec-math.ln10" title="Math.LN10">21.3.1.2 Math.LN10</a></li><li><a href="numbers-and-dates.html#sec-math.ln2" title="Math.LN2">21.3.1.3 Math.LN2</a></li><li><a href="numbers-and-dates.html#sec-math.log10e" title="Math.LOG10E">21.3.1.4 Math.LOG10E</a></li><li><a href="numbers-and-dates.html#sec-math.log2e" title="Math.LOG2E">21.3.1.5 Math.LOG2E</a></li><li><a href="numbers-and-dates.html#sec-math.pi" title="Math.PI">21.3.1.6 Math.PI</a></li><li><a href="numbers-and-dates.html#sec-math.sqrt1_2" title="Math.SQRT1_2">21.3.1.7 Math.SQRT1_2</a></li><li><a href="numbers-and-dates.html#sec-math.sqrt2" title="Math.SQRT2">21.3.1.8 Math.SQRT2</a></li><li><a href="numbers-and-dates.html#sec-math-%symbol.tostringtag%" title="Math [ %Symbol.toStringTag% ]">21.3.1.9 Math [ %Symbol.toStringTag% ]</a></li></ol></li><li>+<a href="numbers-and-dates.html#sec-function-properties-of-the-math-object" title="Function Properties of the Math Object">21.3.2 Function Properties of the Math Object</a><ol class="toc"><li><a href="numbers-and-dates.html#sec-math.abs" title="Math.abs ( x )">21.3.2.1 Math.abs ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.acos" title="Math.acos ( x )">21.3.2.2 Math.acos ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.acosh" title="Math.acosh ( x )">21.3.2.3 Math.acosh ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.asin" title="Math.asin ( x )">21.3.2.4 Math.asin ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.asinh" title="Math.asinh ( x )">21.3.2.5 Math.asinh ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.atan" title="Math.atan ( x )">21.3.2.6 Math.atan ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.atanh" title="Math.atanh ( x )">21.3.2.7 Math.atanh ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.atan2" title="Math.atan2 ( y, x )">21.3.2.8 Math.atan2 ( <var>y</var>, <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.cbrt" title="Math.cbrt ( x )">21.3.2.9 Math.cbrt ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.ceil" title="Math.ceil ( x )">21.3.2.10 Math.ceil ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.clz32" title="Math.clz32 ( x )">21.3.2.11 Math.clz32 ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.cos" title="Math.cos ( x )">21.3.2.12 Math.cos ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.cosh" title="Math.cosh ( x )">21.3.2.13 Math.cosh ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.exp" title="Math.exp ( x )">21.3.2.14 Math.exp ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.expm1" title="Math.expm1 ( x )">21.3.2.15 Math.expm1 ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.floor" title="Math.floor ( x )">21.3.2.16 Math.floor ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.fround" title="Math.fround ( x )">21.3.2.17 Math.fround ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.f16round" title="Math.f16round ( x )">21.3.2.18 Math.f16round ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.hypot" title="Math.hypot ( ...args )">21.3.2.19 Math.hypot ( ...<var>args</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.imul" title="Math.imul ( x, y )">21.3.2.20 Math.imul ( <var>x</var>, <var>y</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.log" title="Math.log ( x )">21.3.2.21 Math.log ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.log1p" title="Math.log1p ( x )">21.3.2.22 Math.log1p ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.log10" title="Math.log10 ( x )">21.3.2.23 Math.log10 ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.log2" title="Math.log2 ( x )">21.3.2.24 Math.log2 ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.max" title="Math.max ( ...args )">21.3.2.25 Math.max ( ...<var>args</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.min" title="Math.min ( ...args )">21.3.2.26 Math.min ( ...<var>args</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.pow" title="Math.pow ( base, exponent )">21.3.2.27 Math.pow ( <var>base</var>, <var>exponent</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.random" title="Math.random ( )">21.3.2.28 Math.random ( )</a></li><li><a href="numbers-and-dates.html#sec-math.round" title="Math.round ( x )">21.3.2.29 Math.round ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.sign" title="Math.sign ( x )">21.3.2.30 Math.sign ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.sin" title="Math.sin ( x )">21.3.2.31 Math.sin ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.sinh" title="Math.sinh ( x )">21.3.2.32 Math.sinh ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.sqrt" title="Math.sqrt ( x )">21.3.2.33 Math.sqrt ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.tan" title="Math.tan ( x )">21.3.2.34 Math.tan ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.tanh" title="Math.tanh ( x )">21.3.2.35 Math.tanh ( <var>x</var> )</a></li><li><a href="numbers-and-dates.html#sec-math.trunc" title="Math.trunc ( x )">21.3.2.36 Math.trunc ( <var>x</var> )</a></li></ol></li></ol></li><li>+<a href="numbers-and-dates.html#sec-date-objects" title="Date Objects">21.4 Date Objects</a><ol class="toc"><li>+<a href="numbers-and-dates.html#sec-overview-of-date-objects-and-definitions-of-abstract-operations" title="Overview of Date Objects and Definitions of Abstract Operations">21.4.1 Overview of Date Objects and Definitions of Abstract Operations</a><ol class="toc"><li><a href="numbers-and-dates.html#sec-time-values-and-time-range" title="Time Values and Time Range">21.4.1.1 Time Values and Time Range</a></li><li><a href="numbers-and-dates.html#sec-time-related-constants" title="Time-related Constants">21.4.1.2 Time-related Constants</a></li><li><a href="numbers-and-dates.html#sec-day" title="Day ( t )">21.4.1.3 Day ( <var>t</var> )</a></li><li><a href="numbers-and-dates.html#sec-timewithinday" title="TimeWithinDay ( t )">21.4.1.4 TimeWithinDay ( <var>t</var> )</a></li><li><a href="numbers-and-dates.html#sec-daysinyear" title="DaysInYear ( y )">21.4.1.5 DaysInYear ( <var>y</var> )</a></li><li><a href="numbers-and-dates.html#sec-dayfromyear" title="DayFromYear ( y )">21.4.1.6 DayFromYear ( <var>y</var> )</a></li><li><a href="numbers-and-dates.html#sec-timefromyear" title="TimeFromYear ( y )">21.4.1.7 TimeFromYear ( <var>y</var> )</a></li><li><a href="numbers-and-dates.html#sec-yearfromtime" title="YearFromTime ( t )">21.4.1.8 YearFromTime ( <var>t</var> )</a></li><li><a href="numbers-and-dates.html#sec-daywithinyear" title="DayWithinYear ( t )">21.4.1.9 DayWithinYear ( <var>t</var> )</a></li><li><a href="numbers-and-dates.html#sec-inleapyear" title="InLeapYear ( t )">21.4.1.10 InLeapYear ( <var>t</var> )</a></li><li><a href="numbers-and-dates.html#sec-monthfromtime" title="MonthFromTime ( t )">21.4.1.11 MonthFromTime ( <var>t</var> )</a></li><li><a href="numbers-and-dates.html#sec-datefromtime" title="DateFromTime ( t )">21.4.1.12 DateFromTime ( <var>t</var> )</a></li><li><a href="numbers-and-dates.html#sec-weekday" title="WeekDay ( t )">21.4.1.13 WeekDay ( <var>t</var> )</a></li><li><a href="numbers-and-dates.html#sec-hourfromtime" title="HourFromTime ( t )">21.4.1.14 HourFromTime ( <var>t</var> )</a></li><li><a href="numbers-and-dates.html#sec-minfromtime" title="MinFromTime ( t )">21.4.1.15 MinFromTime ( <var>t</var> )</a></li><li><a href="numbers-and-dates.html#sec-secfromtime" title="SecFromTime ( t )">21.4.1.16 SecFromTime ( <var>t</var> )</a></li><li><a href="numbers-and-dates.html#sec-msfromtime" title="msFromTime ( t )">21.4.1.17 msFromTime ( <var>t</var> )</a></li><li><a href="numbers-and-dates.html#sec-getutcepochnanoseconds" title="GetUTCEpochNanoseconds ( year, month, day, hour, minute, second, millisecond, microsecond, nanosecond )">21.4.1.18 GetUTCEpochNanoseconds ( <var>year</var>, <var>month</var>, <var>day</var>, <var>hour</var>, <var>minute</var>, <var>second</var>, <var>millisecond</var>, <var>microsecond</var>, <var>nanosecond</var> )</a></li><li><a href="numbers-and-dates.html#sec-time-zone-identifiers" title="Time Zone Identifiers">21.4.1.19 Time Zone Identifiers</a></li><li><a href="numbers-and-dates.html#sec-getnamedtimezoneepochnanoseconds" title="GetNamedTimeZoneEpochNanoseconds ( timeZoneIdentifier, year, month, day, hour, minute, second, millisecond, microsecond, nanosecond )">21.4.1.20 GetNamedTimeZoneEpochNanoseconds ( <var>timeZoneIdentifier</var>, <var>year</var>, <var>month</var>, <var>day</var>, <var>hour</var>, <var>minute</var>, <var>second</var>, <var>millisecond</var>, <var>microsecond</var>, <var>nanosecond</var> )</a></li><li><a href="numbers-and-dates.html#sec-getnamedtimezoneoffsetnanoseconds" title="GetNamedTimeZoneOffsetNanoseconds ( timeZoneIdentifier, epochNanoseconds )">21.4.1.21 GetNamedTimeZoneOffsetNanoseconds ( <var>timeZoneIdentifier</var>, <var>epochNanoseconds</var> )</a></li><li><a href="numbers-and-dates.html#sec-time-zone-identifier-record" title="Time Zone Identifier Record">21.4.1.22 Time Zone Identifier Record</a></li><li><a href="numbers-and-dates.html#sec-availablenamedtimezoneidentifiers" title="AvailableNamedTimeZoneIdentifiers ( )">21.4.1.23 AvailableNamedTimeZoneIdentifiers ( )</a></li><li><a href="numbers-and-dates.html#sec-systemtimezoneidentifier" title="SystemTimeZoneIdentifier ( )">21.4.1.24 SystemTimeZoneIdentifier ( )</a></li><li><a href="numbers-and-dates.html#sec-localtime" title="LocalTime ( t )">21.4.1.25 LocalTime ( <var>t</var> )</a></li><li><a href="numbers-and-dates.html#sec-utc-t" title="UTC ( t )">21.4.1.26 UTC ( <var>t</var> )</a></li><li><a href="numbers-and-dates.html#sec-maketime" title="MakeTime ( hour, min, sec, ms )">21.4.1.27 MakeTime ( <var>hour</var>, <var>min</var>, <var>sec</var>, <var>ms</var> )</a></li><li><a href="numbers-and-dates.html#sec-makeday" title="MakeDay ( year, month, date )">21.4.1.28 MakeDay ( <var>year</var>, <var>month</var>, <var>date</var> )</a></li><li><a href="numbers-and-dates.html#sec-makedate" title="MakeDate ( day, time )">21.4.1.29 MakeDate ( <var>day</var>, <var>time</var> )</a></li><li><a href="numbers-and-dates.html#sec-makefullyear" title="MakeFullYear ( year )">21.4.1.30 MakeFullYear ( <var>year</var> )</a></li><li><a href="numbers-and-dates.html#sec-timeclip" title="TimeClip ( time )">21.4.1.31 TimeClip ( <var>time</var> )</a></li><li>+<a href="numbers-and-dates.html#sec-date-time-string-format" title="Date Time String Format">21.4.1.32 Date Time String Format</a><ol class="toc"><li><a href="numbers-and-dates.html#sec-expanded-years" title="Expanded Years">21.4.1.32.1 Expanded Years</a></li></ol></li><li>+<a href="numbers-and-dates.html#sec-time-zone-offset-strings" title="Time Zone Offset String Format">21.4.1.33 Time Zone Offset String Format</a><ol class="toc"><li><a href="numbers-and-dates.html#sec-istimezoneoffsetstring" title="IsTimeZoneOffsetString ( offsetString )">21.4.1.33.1 IsTimeZoneOffsetString ( <var>offsetString</var> )</a></li><li><a href="numbers-and-dates.html#sec-parsetimezoneoffsetstring" title="ParseTimeZoneOffsetString ( offsetString )">21.4.1.33.2 ParseTimeZoneOffsetString ( <var>offsetString</var> )</a></li></ol></li></ol></li><li>+<a href="numbers-and-dates.html#sec-date-constructor" title="The Date Constructor">21.4.2 The Date Constructor</a><ol class="toc"><li><a href="numbers-and-dates.html#sec-date" title="Date ( ...values )">21.4.2.1 Date ( ...<var>values</var> )</a></li></ol></li><li>+<a href="numbers-and-dates.html#sec-properties-of-the-date-constructor" title="Properties of the Date Constructor">21.4.3 Properties of the Date Constructor</a><ol class="toc"><li><a href="numbers-and-dates.html#sec-date.now" title="Date.now ( )">21.4.3.1 Date.now ( )</a></li><li><a href="numbers-and-dates.html#sec-date.parse" title="Date.parse ( string )">21.4.3.2 Date.parse ( <var>string</var> )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype" title="Date.prototype">21.4.3.3 Date.prototype</a></li><li><a href="numbers-and-dates.html#sec-date.utc" title="Date.UTC ( year [ , month [ , date [ , hours [ , minutes [ , seconds [ , ms ] ] ] ] ] ] )">21.4.3.4 Date.UTC ( <var>year</var> [ , <var>month</var> [ , <var>date</var> [ , <var>hours</var> [ , <var>minutes</var> [ , <var>seconds</var> [ , <var>ms</var> ] ] ] ] ] ] )</a></li></ol></li><li>+<a href="numbers-and-dates.html#sec-properties-of-the-date-prototype-object" title="Properties of the Date Prototype Object">21.4.4 Properties of the Date Prototype Object</a><ol class="toc"><li><a href="numbers-and-dates.html#sec-date.prototype.constructor" title="Date.prototype.constructor">21.4.4.1 Date.prototype.constructor</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.getdate" title="Date.prototype.getDate ( )">21.4.4.2 Date.prototype.getDate ( )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.getday" title="Date.prototype.getDay ( )">21.4.4.3 Date.prototype.getDay ( )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.getfullyear" title="Date.prototype.getFullYear ( )">21.4.4.4 Date.prototype.getFullYear ( )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.gethours" title="Date.prototype.getHours ( )">21.4.4.5 Date.prototype.getHours ( )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.getmilliseconds" title="Date.prototype.getMilliseconds ( )">21.4.4.6 Date.prototype.getMilliseconds ( )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.getminutes" title="Date.prototype.getMinutes ( )">21.4.4.7 Date.prototype.getMinutes ( )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.getmonth" title="Date.prototype.getMonth ( )">21.4.4.8 Date.prototype.getMonth ( )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.getseconds" title="Date.prototype.getSeconds ( )">21.4.4.9 Date.prototype.getSeconds ( )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.gettime" title="Date.prototype.getTime ( )">21.4.4.10 Date.prototype.getTime ( )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.gettimezoneoffset" title="Date.prototype.getTimezoneOffset ( )">21.4.4.11 Date.prototype.getTimezoneOffset ( )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.getutcdate" title="Date.prototype.getUTCDate ( )">21.4.4.12 Date.prototype.getUTCDate ( )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.getutcday" title="Date.prototype.getUTCDay ( )">21.4.4.13 Date.prototype.getUTCDay ( )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.getutcfullyear" title="Date.prototype.getUTCFullYear ( )">21.4.4.14 Date.prototype.getUTCFullYear ( )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.getutchours" title="Date.prototype.getUTCHours ( )">21.4.4.15 Date.prototype.getUTCHours ( )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.getutcmilliseconds" title="Date.prototype.getUTCMilliseconds ( )">21.4.4.16 Date.prototype.getUTCMilliseconds ( )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.getutcminutes" title="Date.prototype.getUTCMinutes ( )">21.4.4.17 Date.prototype.getUTCMinutes ( )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.getutcmonth" title="Date.prototype.getUTCMonth ( )">21.4.4.18 Date.prototype.getUTCMonth ( )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.getutcseconds" title="Date.prototype.getUTCSeconds ( )">21.4.4.19 Date.prototype.getUTCSeconds ( )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.setdate" title="Date.prototype.setDate ( date )">21.4.4.20 Date.prototype.setDate ( <var>date</var> )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.setfullyear" title="Date.prototype.setFullYear ( year [ , month [ , date ] ] )">21.4.4.21 Date.prototype.setFullYear ( <var>year</var> [ , <var>month</var> [ , <var>date</var> ] ] )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.sethours" title="Date.prototype.setHours ( hour [ , min [ , sec [ , ms ] ] ] )">21.4.4.22 Date.prototype.setHours ( <var>hour</var> [ , <var>min</var> [ , <var>sec</var> [ , <var>ms</var> ] ] ] )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.setmilliseconds" title="Date.prototype.setMilliseconds ( ms )">21.4.4.23 Date.prototype.setMilliseconds ( <var>ms</var> )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.setminutes" title="Date.prototype.setMinutes ( min [ , sec [ , ms ] ] )">21.4.4.24 Date.prototype.setMinutes ( <var>min</var> [ , <var>sec</var> [ , <var>ms</var> ] ] )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.setmonth" title="Date.prototype.setMonth ( month [ , date ] )">21.4.4.25 Date.prototype.setMonth ( <var>month</var> [ , <var>date</var> ] )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.setseconds" title="Date.prototype.setSeconds ( sec [ , ms ] )">21.4.4.26 Date.prototype.setSeconds ( <var>sec</var> [ , <var>ms</var> ] )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.settime" title="Date.prototype.setTime ( time )">21.4.4.27 Date.prototype.setTime ( <var>time</var> )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.setutcdate" title="Date.prototype.setUTCDate ( date )">21.4.4.28 Date.prototype.setUTCDate ( <var>date</var> )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.setutcfullyear" title="Date.prototype.setUTCFullYear ( year [ , month [ , date ] ] )">21.4.4.29 Date.prototype.setUTCFullYear ( <var>year</var> [ , <var>month</var> [ , <var>date</var> ] ] )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.setutchours" title="Date.prototype.setUTCHours ( hour [ , min [ , sec [ , ms ] ] ] )">21.4.4.30 Date.prototype.setUTCHours ( <var>hour</var> [ , <var>min</var> [ , <var>sec</var> [ , <var>ms</var> ] ] ] )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.setutcmilliseconds" title="Date.prototype.setUTCMilliseconds ( ms )">21.4.4.31 Date.prototype.setUTCMilliseconds ( <var>ms</var> )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.setutcminutes" title="Date.prototype.setUTCMinutes ( min [ , sec [ , ms ] ] )">21.4.4.32 Date.prototype.setUTCMinutes ( <var>min</var> [ , <var>sec</var> [ , <var>ms</var> ] ] )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.setutcmonth" title="Date.prototype.setUTCMonth ( month [ , date ] )">21.4.4.33 Date.prototype.setUTCMonth ( <var>month</var> [ , <var>date</var> ] )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.setutcseconds" title="Date.prototype.setUTCSeconds ( sec [ , ms ] )">21.4.4.34 Date.prototype.setUTCSeconds ( <var>sec</var> [ , <var>ms</var> ] )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.todatestring" title="Date.prototype.toDateString ( )">21.4.4.35 Date.prototype.toDateString ( )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.toisostring" title="Date.prototype.toISOString ( )">21.4.4.36 Date.prototype.toISOString ( )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.tojson" title="Date.prototype.toJSON ( key )">21.4.4.37 Date.prototype.toJSON ( <var>key</var> )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.tolocaledatestring" title="Date.prototype.toLocaleDateString ( [ reserved1 [ , reserved2 ] ] )">21.4.4.38 Date.prototype.toLocaleDateString ( [ <var>reserved1</var> [ , <var>reserved2</var> ] ] )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.tolocalestring" title="Date.prototype.toLocaleString ( [ reserved1 [ , reserved2 ] ] )">21.4.4.39 Date.prototype.toLocaleString ( [ <var>reserved1</var> [ , <var>reserved2</var> ] ] )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.tolocaletimestring" title="Date.prototype.toLocaleTimeString ( [ reserved1 [ , reserved2 ] ] )">21.4.4.40 Date.prototype.toLocaleTimeString ( [ <var>reserved1</var> [ , <var>reserved2</var> ] ] )</a></li><li>+<a href="numbers-and-dates.html#sec-date.prototype.tostring" title="Date.prototype.toString ( )">21.4.4.41 Date.prototype.toString ( )</a><ol class="toc"><li><a href="numbers-and-dates.html#sec-timestring" title="TimeString ( tv )">21.4.4.41.1 TimeString ( <var>tv</var> )</a></li><li><a href="numbers-and-dates.html#sec-datestring" title="DateString ( tv )">21.4.4.41.2 DateString ( <var>tv</var> )</a></li><li><a href="numbers-and-dates.html#sec-timezoneestring" title="TimeZoneString ( tv )">21.4.4.41.3 TimeZoneString ( <var>tv</var> )</a></li><li><a href="numbers-and-dates.html#sec-todatestring" title="ToDateString ( tv )">21.4.4.41.4 ToDateString ( <var>tv</var> )</a></li></ol></li><li><a href="numbers-and-dates.html#sec-date.prototype.totimestring" title="Date.prototype.toTimeString ( )">21.4.4.42 Date.prototype.toTimeString ( )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.toutcstring" title="Date.prototype.toUTCString ( )">21.4.4.43 Date.prototype.toUTCString ( )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype.valueof" title="Date.prototype.valueOf ( )">21.4.4.44 Date.prototype.valueOf ( )</a></li><li><a href="numbers-and-dates.html#sec-date.prototype-%symbol.toprimitive%" title="Date.prototype [ %Symbol.toPrimitive% ] ( hint )">21.4.4.45 Date.prototype [ %Symbol.toPrimitive% ] ( <var>hint</var> )</a></li></ol></li><li><a href="numbers-and-dates.html#sec-properties-of-date-instances" title="Properties of Date Instances">21.4.5 Properties of Date Instances</a></li></ol></li></ol></li><li>+<a href="text-processing.html#sec-text-processing" title="Text Processing">22 Text Processing</a><ol class="toc"><li>+<a href="text-processing.html#sec-string-objects" title="String Objects">22.1 String Objects</a><ol class="toc"><li>+<a href="text-processing.html#sec-string-constructor" title="The String Constructor">22.1.1 The String Constructor</a><ol class="toc"><li><a href="text-processing.html#sec-string-constructor-string-value" title="String ( value )">22.1.1.1 String ( <var>value</var> )</a></li></ol></li><li>+<a href="text-processing.html#sec-properties-of-the-string-constructor" title="Properties of the String Constructor">22.1.2 Properties of the String Constructor</a><ol class="toc"><li><a href="text-processing.html#sec-string.fromcharcode" title="String.fromCharCode ( ...codeUnits )">22.1.2.1 String.fromCharCode ( ...<var>codeUnits</var> )</a></li><li><a href="text-processing.html#sec-string.fromcodepoint" title="String.fromCodePoint ( ...codePoints )">22.1.2.2 String.fromCodePoint ( ...<var>codePoints</var> )</a></li><li><a href="text-processing.html#sec-string.prototype" title="String.prototype">22.1.2.3 String.prototype</a></li><li><a href="text-processing.html#sec-string.raw" title="String.raw ( template, ...substitutions )">22.1.2.4 String.raw ( <var>template</var>, ...<var>substitutions</var> )</a></li></ol></li><li>+<a href="text-processing.html#sec-properties-of-the-string-prototype-object" title="Properties of the String Prototype Object">22.1.3 Properties of the String Prototype Object</a><ol class="toc"><li><a href="text-processing.html#sec-string.prototype.at" title="String.prototype.at ( index )">22.1.3.1 String.prototype.at ( <var>index</var> )</a></li><li><a href="text-processing.html#sec-string.prototype.charat" title="String.prototype.charAt ( pos )">22.1.3.2 String.prototype.charAt ( <var>pos</var> )</a></li><li><a href="text-processing.html#sec-string.prototype.charcodeat" title="String.prototype.charCodeAt ( pos )">22.1.3.3 String.prototype.charCodeAt ( <var>pos</var> )</a></li><li><a href="text-processing.html#sec-string.prototype.codepointat" title="String.prototype.codePointAt ( pos )">22.1.3.4 String.prototype.codePointAt ( <var>pos</var> )</a></li><li><a href="text-processing.html#sec-string.prototype.concat" title="String.prototype.concat ( ...args )">22.1.3.5 String.prototype.concat ( ...<var>args</var> )</a></li><li><a href="text-processing.html#sec-string.prototype.constructor" title="String.prototype.constructor">22.1.3.6 String.prototype.constructor</a></li><li><a href="text-processing.html#sec-string.prototype.endswith" title="String.prototype.endsWith ( searchString [ , endPosition ] )">22.1.3.7 String.prototype.endsWith ( <var>searchString</var> [ , <var>endPosition</var> ] )</a></li><li><a href="text-processing.html#sec-string.prototype.includes" title="String.prototype.includes ( searchString [ , position ] )">22.1.3.8 String.prototype.includes ( <var>searchString</var> [ , <var>position</var> ] )</a></li><li><a href="text-processing.html#sec-string.prototype.indexof" title="String.prototype.indexOf ( searchString [ , position ] )">22.1.3.9 String.prototype.indexOf ( <var>searchString</var> [ , <var>position</var> ] )</a></li><li><a href="text-processing.html#sec-string.prototype.iswellformed" title="String.prototype.isWellFormed ( )">22.1.3.10 String.prototype.isWellFormed ( )</a></li><li><a href="text-processing.html#sec-string.prototype.lastindexof" title="String.prototype.lastIndexOf ( searchString [ , position ] )">22.1.3.11 String.prototype.lastIndexOf ( <var>searchString</var> [ , <var>position</var> ] )</a></li><li><a href="text-processing.html#sec-string.prototype.localecompare" title="String.prototype.localeCompare ( that [ , reserved1 [ , reserved2 ] ] )">22.1.3.12 String.prototype.localeCompare ( <var>that</var> [ , <var>reserved1</var> [ , <var>reserved2</var> ] ] )</a></li><li><a href="text-processing.html#sec-string.prototype.match" title="String.prototype.match ( regexp )">22.1.3.13 String.prototype.match ( <var>regexp</var> )</a></li><li><a href="text-processing.html#sec-string.prototype.matchall" title="String.prototype.matchAll ( regexp )">22.1.3.14 String.prototype.matchAll ( <var>regexp</var> )</a></li><li><a href="text-processing.html#sec-string.prototype.normalize" title="String.prototype.normalize ( [ form ] )">22.1.3.15 String.prototype.normalize ( [ <var>form</var> ] )</a></li><li><a href="text-processing.html#sec-string.prototype.padend" title="String.prototype.padEnd ( maxLength [ , fillString ] )">22.1.3.16 String.prototype.padEnd ( <var>maxLength</var> [ , <var>fillString</var> ] )</a></li><li>+<a href="text-processing.html#sec-string.prototype.padstart" title="String.prototype.padStart ( maxLength [ , fillString ] )">22.1.3.17 String.prototype.padStart ( <var>maxLength</var> [ , <var>fillString</var> ] )</a><ol class="toc"><li><a href="text-processing.html#sec-stringpaddingbuiltinsimpl" title="StringPaddingBuiltinsImpl ( O, maxLength, fillString, placement )">22.1.3.17.1 StringPaddingBuiltinsImpl ( <var>O</var>, <var>maxLength</var>, <var>fillString</var>, <var>placement</var> )</a></li><li><a href="text-processing.html#sec-stringpad" title="StringPad ( S, maxLength, fillString, placement )">22.1.3.17.2 StringPad ( <var>S</var>, <var>maxLength</var>, <var>fillString</var>, <var>placement</var> )</a></li><li><a href="text-processing.html#sec-tozeropaddeddecimalstring" title="ToZeroPaddedDecimalString ( n, minLength )">22.1.3.17.3 ToZeroPaddedDecimalString ( <var>n</var>, <var>minLength</var> )</a></li></ol></li><li><a href="text-processing.html#sec-string.prototype.repeat" title="String.prototype.repeat ( count )">22.1.3.18 String.prototype.repeat ( <var>count</var> )</a></li><li>+<a href="text-processing.html#sec-string.prototype.replace" title="String.prototype.replace ( searchValue, replaceValue )">22.1.3.19 String.prototype.replace ( <var>searchValue</var>, <var>replaceValue</var> )</a><ol class="toc"><li><a href="text-processing.html#sec-getsubstitution" title="GetSubstitution ( matched, str, position, captures, namedCaptures, replacementTemplate )">22.1.3.19.1 GetSubstitution ( <var>matched</var>, <var>str</var>, <var>position</var>, <var>captures</var>, <var>namedCaptures</var>, <var>replacementTemplate</var> )</a></li></ol></li><li><a href="text-processing.html#sec-string.prototype.replaceall" title="String.prototype.replaceAll ( searchValue, replaceValue )">22.1.3.20 String.prototype.replaceAll ( <var>searchValue</var>, <var>replaceValue</var> )</a></li><li><a href="text-processing.html#sec-string.prototype.search" title="String.prototype.search ( regexp )">22.1.3.21 String.prototype.search ( <var>regexp</var> )</a></li><li><a href="text-processing.html#sec-string.prototype.slice" title="String.prototype.slice ( start, end )">22.1.3.22 String.prototype.slice ( <var>start</var>, <var>end</var> )</a></li><li><a href="text-processing.html#sec-string.prototype.split" title="String.prototype.split ( separator, limit )">22.1.3.23 String.prototype.split ( <var>separator</var>, <var>limit</var> )</a></li><li><a href="text-processing.html#sec-string.prototype.startswith" title="String.prototype.startsWith ( searchString [ , position ] )">22.1.3.24 String.prototype.startsWith ( <var>searchString</var> [ , <var>position</var> ] )</a></li><li><a href="text-processing.html#sec-string.prototype.substring" title="String.prototype.substring ( start, end )">22.1.3.25 String.prototype.substring ( <var>start</var>, <var>end</var> )</a></li><li><a href="text-processing.html#sec-string.prototype.tolocalelowercase" title="String.prototype.toLocaleLowerCase ( [ reserved1 [ , reserved2 ] ] )">22.1.3.26 String.prototype.toLocaleLowerCase ( [ <var>reserved1</var> [ , <var>reserved2</var> ] ] )</a></li><li><a href="text-processing.html#sec-string.prototype.tolocaleuppercase" title="String.prototype.toLocaleUpperCase ( [ reserved1 [ , reserved2 ] ] )">22.1.3.27 String.prototype.toLocaleUpperCase ( [ <var>reserved1</var> [ , <var>reserved2</var> ] ] )</a></li><li><a href="text-processing.html#sec-string.prototype.tolowercase" title="String.prototype.toLowerCase ( )">22.1.3.28 String.prototype.toLowerCase ( )</a></li><li><a href="text-processing.html#sec-string.prototype.tostring" title="String.prototype.toString ( )">22.1.3.29 String.prototype.toString ( )</a></li><li><a href="text-processing.html#sec-string.prototype.touppercase" title="String.prototype.toUpperCase ( )">22.1.3.30 String.prototype.toUpperCase ( )</a></li><li><a href="text-processing.html#sec-string.prototype.towellformed" title="String.prototype.toWellFormed ( )">22.1.3.31 String.prototype.toWellFormed ( )</a></li><li>+<a href="text-processing.html#sec-string.prototype.trim" title="String.prototype.trim ( )">22.1.3.32 String.prototype.trim ( )</a><ol class="toc"><li><a href="text-processing.html#sec-trimstring" title="TrimString ( string, where )">22.1.3.32.1 TrimString ( <var>string</var>, <var>where</var> )</a></li></ol></li><li><a href="text-processing.html#sec-string.prototype.trimend" title="String.prototype.trimEnd ( )">22.1.3.33 String.prototype.trimEnd ( )</a></li><li><a href="text-processing.html#sec-string.prototype.trimstart" title="String.prototype.trimStart ( )">22.1.3.34 String.prototype.trimStart ( )</a></li><li>+<a href="text-processing.html#sec-string.prototype.valueof" title="String.prototype.valueOf ( )">22.1.3.35 String.prototype.valueOf ( )</a><ol class="toc"><li><a href="text-processing.html#sec-thisstringvalue" title="ThisStringValue ( value )">22.1.3.35.1 ThisStringValue ( <var>value</var> )</a></li></ol></li><li><a href="text-processing.html#sec-string.prototype-%symbol.iterator%" title="String.prototype [ %Symbol.iterator% ] ( )">22.1.3.36 String.prototype [ %Symbol.iterator% ] ( )</a></li></ol></li><li>+<a href="text-processing.html#sec-properties-of-string-instances" title="Properties of String Instances">22.1.4 Properties of String Instances</a><ol class="toc"><li><a href="text-processing.html#sec-properties-of-string-instances-length" title="length">22.1.4.1 length</a></li></ol></li><li>+<a href="text-processing.html#sec-string-iterator-objects" title="String Iterator Objects">22.1.5 String Iterator Objects</a><ol class="toc"><li>+<a href="text-processing.html#sec-%stringiteratorprototype%-object" title="The %StringIteratorPrototype% Object">22.1.5.1 The %StringIteratorPrototype% Object</a><ol class="toc"><li><a href="text-processing.html#sec-%stringiteratorprototype%.next" title="%StringIteratorPrototype%.next ( )">22.1.5.1.1 %StringIteratorPrototype%.next ( )</a></li><li><a href="text-processing.html#sec-%stringiteratorprototype%-%symbol.tostringtag%" title="%StringIteratorPrototype% [ %Symbol.toStringTag% ]">22.1.5.1.2 %StringIteratorPrototype% [ %Symbol.toStringTag% ]</a></li></ol></li></ol></li></ol></li><li>+<a href="text-processing.html#sec-regexp-regular-expression-objects" title="RegExp (Regular Expression) Objects">22.2 RegExp (Regular Expression) Objects</a><ol class="toc"><li>+<a href="text-processing.html#sec-patterns" title="Patterns">22.2.1 Patterns</a><ol class="toc"><li><a href="text-processing.html#sec-patterns-static-semantics-early-errors" title="Static Semantics: Early Errors">22.2.1.1 SS: Early Errors</a></li><li><a href="text-processing.html#sec-countleftcapturingparenswithin" title="Static Semantics: CountLeftCapturingParensWithin ( node )">22.2.1.2 SS: CountLeftCapturingParensWithin ( <var>node</var> )</a></li><li><a href="text-processing.html#sec-countleftcapturingparensbefore" title="Static Semantics: CountLeftCapturingParensBefore ( node )">22.2.1.3 SS: CountLeftCapturingParensBefore ( <var>node</var> )</a></li><li><a href="text-processing.html#sec-mightbothparticipate" title="Static Semantics: MightBothParticipate ( x, y )">22.2.1.4 SS: MightBothParticipate ( <var>x</var>, <var>y</var> )</a></li><li><a href="text-processing.html#sec-patterns-static-semantics-capturing-group-number" title="Static Semantics: CapturingGroupNumber">22.2.1.5 SS: CapturingGroupNumber</a></li><li><a href="text-processing.html#sec-patterns-static-semantics-is-character-class" title="Static Semantics: IsCharacterClass">22.2.1.6 SS: IsCharacterClass</a></li><li><a href="text-processing.html#sec-patterns-static-semantics-character-value" title="Static Semantics: CharacterValue">22.2.1.7 SS: CharacterValue</a></li><li><a href="text-processing.html#sec-static-semantics-maycontainstrings" title="Static Semantics: MayContainStrings">22.2.1.8 SS: MayContainStrings</a></li><li><a href="text-processing.html#sec-groupspecifiersthatmatch" title="Static Semantics: GroupSpecifiersThatMatch ( thisGroupName )">22.2.1.9 SS: GroupSpecifiersThatMatch ( <var>thisGroupName</var> )</a></li><li><a href="text-processing.html#sec-static-semantics-capturinggroupname" title="Static Semantics: CapturingGroupName">22.2.1.10 SS: CapturingGroupName</a></li><li><a href="text-processing.html#sec-regexpidentifiercodepoints" title="Static Semantics: RegExpIdentifierCodePoints">22.2.1.11 SS: RegExpIdentifierCodePoints</a></li><li><a href="text-processing.html#sec-regexpidentifiercodepoint" title="Static Semantics: RegExpIdentifierCodePoint">22.2.1.12 SS: RegExpIdentifierCodePoint</a></li></ol></li><li>+<a href="text-processing.html#sec-pattern-semantics" title="Pattern Semantics">22.2.2 Pattern Semantics</a><ol class="toc"><li>+<a href="text-processing.html#sec-pattern-notation" title="Notation">22.2.2.1 Notation</a><ol class="toc"><li><a href="text-processing.html#sec-regexp-records" title="RegExp Records">22.2.2.1.1 RegExp Records</a></li></ol></li><li><a href="text-processing.html#sec-compilepattern" title="Runtime Semantics: CompilePattern">22.2.2.2 RS: CompilePattern</a></li><li>+<a href="text-processing.html#sec-compilesubpattern" title="Runtime Semantics: CompileSubpattern">22.2.2.3 RS: CompileSubpattern</a><ol class="toc"><li><a href="text-processing.html#sec-runtime-semantics-repeatmatcher-abstract-operation" title="RepeatMatcher ( m, min, max, greedy, x, c, parenIndex, parenCount )">22.2.2.3.1 RepeatMatcher ( <var>m</var>, <var>min</var>, <var>max</var>, <var>greedy</var>, <var>x</var>, <var>c</var>, <var>parenIndex</var>, <var>parenCount</var> )</a></li><li><a href="text-processing.html#sec-emptymatcher" title="EmptyMatcher ( )">22.2.2.3.2 EmptyMatcher ( )</a></li><li><a href="text-processing.html#sec-matchtwoalternatives" title="MatchTwoAlternatives ( m1, m2 )">22.2.2.3.3 MatchTwoAlternatives ( <var>m1</var>, <var>m2</var> )</a></li><li><a href="text-processing.html#sec-matchsequence" title="MatchSequence ( m1, m2, direction )">22.2.2.3.4 MatchSequence ( <var>m1</var>, <var>m2</var>, <var>direction</var> )</a></li></ol></li><li>+<a href="text-processing.html#sec-compileassertion" title="Runtime Semantics: CompileAssertion">22.2.2.4 RS: CompileAssertion</a><ol class="toc"><li><a href="text-processing.html#sec-runtime-semantics-iswordchar-abstract-operation" title="IsWordChar ( rer, Input, e )">22.2.2.4.1 IsWordChar ( <var>rer</var>, <var>Input</var>, <var>e</var> )</a></li></ol></li><li><a href="text-processing.html#sec-compilequantifier" title="Runtime Semantics: CompileQuantifier">22.2.2.5 RS: CompileQuantifier</a></li><li><a href="text-processing.html#sec-compilequantifierprefix" title="Runtime Semantics: CompileQuantifierPrefix">22.2.2.6 RS: CompileQuantifierPrefix</a></li><li>+<a href="text-processing.html#sec-compileatom" title="Runtime Semantics: CompileAtom">22.2.2.7 RS: CompileAtom</a><ol class="toc"><li><a href="text-processing.html#sec-runtime-semantics-charactersetmatcher-abstract-operation" title="CharacterSetMatcher ( rer, A, invert, direction )">22.2.2.7.1 CharacterSetMatcher ( <var>rer</var>, <var>A</var>, <var>invert</var>, <var>direction</var> )</a></li><li><a href="text-processing.html#sec-backreference-matcher" title="BackreferenceMatcher ( rer, ns, direction )">22.2.2.7.2 BackreferenceMatcher ( <var>rer</var>, <var>ns</var>, <var>direction</var> )</a></li><li><a href="text-processing.html#sec-runtime-semantics-canonicalize-ch" title="Canonicalize ( rer, ch )">22.2.2.7.3 Canonicalize ( <var>rer</var>, <var>ch</var> )</a></li><li><a href="text-processing.html#sec-updatemodifiers" title="UpdateModifiers ( rer, add, remove )">22.2.2.7.4 UpdateModifiers ( <var>rer</var>, <var>add</var>, <var>remove</var> )</a></li></ol></li><li><a href="text-processing.html#sec-compilecharacterclass" title="Runtime Semantics: CompileCharacterClass">22.2.2.8 RS: CompileCharacterClass</a></li><li>+<a href="text-processing.html#sec-compiletocharset" title="Runtime Semantics: CompileToCharSet">22.2.2.9 RS: CompileToCharSet</a><ol class="toc"><li><a href="text-processing.html#sec-runtime-semantics-characterrange-abstract-operation" title="CharacterRange ( A, B )">22.2.2.9.1 CharacterRange ( <var>A</var>, <var>B</var> )</a></li><li><a href="text-processing.html#sec-runtime-semantics-haseitherunicodeflag-abstract-operation" title="HasEitherUnicodeFlag ( rer )">22.2.2.9.2 HasEitherUnicodeFlag ( <var>rer</var> )</a></li><li><a href="text-processing.html#sec-wordcharacters" title="WordCharacters ( rer )">22.2.2.9.3 WordCharacters ( <var>rer</var> )</a></li><li><a href="text-processing.html#sec-allcharacters" title="AllCharacters ( rer )">22.2.2.9.4 AllCharacters ( <var>rer</var> )</a></li><li><a href="text-processing.html#sec-maybesimplecasefolding" title="MaybeSimpleCaseFolding ( rer, A )">22.2.2.9.5 MaybeSimpleCaseFolding ( <var>rer</var>, <var>A</var> )</a></li><li><a href="text-processing.html#sec-charactercomplement" title="CharacterComplement ( rer, S )">22.2.2.9.6 CharacterComplement ( <var>rer</var>, <var>S</var> )</a></li><li><a href="text-processing.html#sec-runtime-semantics-unicodematchproperty-p" title="UnicodeMatchProperty ( rer, p )">22.2.2.9.7 UnicodeMatchProperty ( <var>rer</var>, <var>p</var> )</a></li><li><a href="text-processing.html#sec-runtime-semantics-unicodematchpropertyvalue-p-v" title="UnicodeMatchPropertyValue ( p, v )">22.2.2.9.8 UnicodeMatchPropertyValue ( <var>p</var>, <var>v</var> )</a></li></ol></li><li><a href="text-processing.html#sec-compileclasssetstring" title="Runtime Semantics: CompileClassSetString">22.2.2.10 RS: CompileClassSetString</a></li></ol></li><li>+<a href="text-processing.html#sec-abstract-operations-for-regexp-creation" title="Abstract Operations for RegExp Creation">22.2.3 Abstract Operations for RegExp Creation</a><ol class="toc"><li><a href="text-processing.html#sec-regexpcreate" title="RegExpCreate ( P, F )">22.2.3.1 RegExpCreate ( <var>P</var>, <var>F</var> )</a></li><li><a href="text-processing.html#sec-regexpalloc" title="RegExpAlloc ( newTarget )">22.2.3.2 RegExpAlloc ( <var>newTarget</var> )</a></li><li><a href="text-processing.html#sec-regexpinitialize" title="RegExpInitialize ( obj, pattern, flags )">22.2.3.3 RegExpInitialize ( <var>obj</var>, <var>pattern</var>, <var>flags</var> )</a></li><li><a href="text-processing.html#sec-parsepattern" title="Static Semantics: ParsePattern ( patternText, u, v )">22.2.3.4 SS: ParsePattern ( <var>patternText</var>, <var>u</var>, <var>v</var> )</a></li></ol></li><li>+<a href="text-processing.html#sec-regexp-constructor" title="The RegExp Constructor">22.2.4 The RegExp Constructor</a><ol class="toc"><li><a href="text-processing.html#sec-regexp-pattern-flags" title="RegExp ( pattern, flags )">22.2.4.1 RegExp ( <var>pattern</var>, <var>flags</var> )</a></li></ol></li><li>+<a href="text-processing.html#sec-properties-of-the-regexp-constructor" title="Properties of the RegExp Constructor">22.2.5 Properties of the RegExp Constructor</a><ol class="toc"><li>+<a href="text-processing.html#sec-regexp.escape" title="RegExp.escape ( S )">22.2.5.1 RegExp.escape ( <var>S</var> )</a><ol class="toc"><li><a href="text-processing.html#sec-encodeforregexpescape" title="EncodeForRegExpEscape ( cp )">22.2.5.1.1 EncodeForRegExpEscape ( <var>cp</var> )</a></li></ol></li><li><a href="text-processing.html#sec-regexp.prototype" title="RegExp.prototype">22.2.5.2 RegExp.prototype</a></li><li><a href="text-processing.html#sec-get-regexp-%symbol.species%" title="get RegExp [ %Symbol.species% ]">22.2.5.3 get RegExp [ %Symbol.species% ]</a></li></ol></li><li>+<a href="text-processing.html#sec-properties-of-the-regexp-prototype-object" title="Properties of the RegExp Prototype Object">22.2.6 Properties of the RegExp Prototype Object</a><ol class="toc"><li><a href="text-processing.html#sec-regexp.prototype.constructor" title="RegExp.prototype.constructor">22.2.6.1 RegExp.prototype.constructor</a></li><li><a href="text-processing.html#sec-regexp.prototype.exec" title="RegExp.prototype.exec ( string )">22.2.6.2 RegExp.prototype.exec ( <var>string</var> )</a></li><li><a href="text-processing.html#sec-get-regexp.prototype.dotAll" title="get RegExp.prototype.dotAll">22.2.6.3 get RegExp.prototype.dotAll</a></li><li>+<a href="text-processing.html#sec-get-regexp.prototype.flags" title="get RegExp.prototype.flags">22.2.6.4 get RegExp.prototype.flags</a><ol class="toc"><li><a href="text-processing.html#sec-regexphasflag" title="RegExpHasFlag ( R, codeUnit )">22.2.6.4.1 RegExpHasFlag ( <var>R</var>, <var>codeUnit</var> )</a></li></ol></li><li><a href="text-processing.html#sec-get-regexp.prototype.global" title="get RegExp.prototype.global">22.2.6.5 get RegExp.prototype.global</a></li><li><a href="text-processing.html#sec-get-regexp.prototype.hasIndices" title="get RegExp.prototype.hasIndices">22.2.6.6 get RegExp.prototype.hasIndices</a></li><li><a href="text-processing.html#sec-get-regexp.prototype.ignorecase" title="get RegExp.prototype.ignoreCase">22.2.6.7 get RegExp.prototype.ignoreCase</a></li><li><a href="text-processing.html#sec-regexp.prototype-%symbol.match%" title="RegExp.prototype [ %Symbol.match% ] ( string )">22.2.6.8 RegExp.prototype [ %Symbol.match% ] ( <var>string</var> )</a></li><li><a href="text-processing.html#sec-regexp-prototype-%symbol.matchall%" title="RegExp.prototype [ %Symbol.matchAll% ] ( string )">22.2.6.9 RegExp.prototype [ %Symbol.matchAll% ] ( <var>string</var> )</a></li><li><a href="text-processing.html#sec-get-regexp.prototype.multiline" title="get RegExp.prototype.multiline">22.2.6.10 get RegExp.prototype.multiline</a></li><li><a href="text-processing.html#sec-regexp.prototype-%symbol.replace%" title="RegExp.prototype [ %Symbol.replace% ] ( string, replaceValue )">22.2.6.11 RegExp.prototype [ %Symbol.replace% ] ( <var>string</var>, <var>replaceValue</var> )</a></li><li><a href="text-processing.html#sec-regexp.prototype-%symbol.search%" title="RegExp.prototype [ %Symbol.search% ] ( string )">22.2.6.12 RegExp.prototype [ %Symbol.search% ] ( <var>string</var> )</a></li><li>+<a href="text-processing.html#sec-get-regexp.prototype.source" title="get RegExp.prototype.source">22.2.6.13 get RegExp.prototype.source</a><ol class="toc"><li><a href="text-processing.html#sec-escaperegexppattern" title="EscapeRegExpPattern ( P, F )">22.2.6.13.1 EscapeRegExpPattern ( <var>P</var>, <var>F</var> )</a></li></ol></li><li><a href="text-processing.html#sec-regexp.prototype-%symbol.split%" title="RegExp.prototype [ %Symbol.split% ] ( string, limit )">22.2.6.14 RegExp.prototype [ %Symbol.split% ] ( <var>string</var>, <var>limit</var> )</a></li><li><a href="text-processing.html#sec-get-regexp.prototype.sticky" title="get RegExp.prototype.sticky">22.2.6.15 get RegExp.prototype.sticky</a></li><li><a href="text-processing.html#sec-regexp.prototype.test" title="RegExp.prototype.test ( S )">22.2.6.16 RegExp.prototype.test ( <var>S</var> )</a></li><li><a href="text-processing.html#sec-regexp.prototype.tostring" title="RegExp.prototype.toString ( )">22.2.6.17 RegExp.prototype.toString ( )</a></li><li><a href="text-processing.html#sec-get-regexp.prototype.unicode" title="get RegExp.prototype.unicode">22.2.6.18 get RegExp.prototype.unicode</a></li><li><a href="text-processing.html#sec-get-regexp.prototype.unicodesets" title="get RegExp.prototype.unicodeSets">22.2.6.19 get RegExp.prototype.unicodeSets</a></li></ol></li><li>+<a href="text-processing.html#sec-abstract-operations-for-regexp-matching" title="Abstract Operations for RegExp Matching">22.2.7 Abstract Operations for RegExp Matching</a><ol class="toc"><li><a href="text-processing.html#sec-regexpexec" title="RegExpExec ( R, S )">22.2.7.1 RegExpExec ( <var>R</var>, <var>S</var> )</a></li><li><a href="text-processing.html#sec-regexpbuiltinexec" title="RegExpBuiltinExec ( R, S )">22.2.7.2 RegExpBuiltinExec ( <var>R</var>, <var>S</var> )</a></li><li><a href="text-processing.html#sec-advancestringindex" title="AdvanceStringIndex ( S, index, unicode )">22.2.7.3 AdvanceStringIndex ( <var>S</var>, <var>index</var>, <var>unicode</var> )</a></li><li><a href="text-processing.html#sec-getstringindex" title="GetStringIndex ( S, codePointIndex )">22.2.7.4 GetStringIndex ( <var>S</var>, <var>codePointIndex</var> )</a></li><li><a href="text-processing.html#sec-match-records" title="Match Records">22.2.7.5 Match Records</a></li><li><a href="text-processing.html#sec-getmatchstring" title="GetMatchString ( S, match )">22.2.7.6 GetMatchString ( <var>S</var>, <var>match</var> )</a></li><li><a href="text-processing.html#sec-getmatchindexpair" title="GetMatchIndexPair ( S, match )">22.2.7.7 GetMatchIndexPair ( <var>S</var>, <var>match</var> )</a></li><li><a href="text-processing.html#sec-makematchindicesindexpairarray" title="MakeMatchIndicesIndexPairArray ( S, indices, groupNames, hasGroups )">22.2.7.8 MakeMatchIndicesIndexPairArray ( <var>S</var>, <var>indices</var>, <var>groupNames</var>, <var>hasGroups</var> )</a></li></ol></li><li>+<a href="text-processing.html#sec-properties-of-regexp-instances" title="Properties of RegExp Instances">22.2.8 Properties of RegExp Instances</a><ol class="toc"><li><a href="text-processing.html#sec-lastindex" title="lastIndex">22.2.8.1 lastIndex</a></li></ol></li><li>+<a href="text-processing.html#sec-regexp-string-iterator-objects" title="RegExp String Iterator Objects">22.2.9 RegExp String Iterator Objects</a><ol class="toc"><li><a href="text-processing.html#sec-createregexpstringiterator" title="CreateRegExpStringIterator ( R, S, global, fullUnicode )">22.2.9.1 CreateRegExpStringIterator ( <var>R</var>, <var>S</var>, <var>global</var>, <var>fullUnicode</var> )</a></li><li>+<a href="text-processing.html#sec-%regexpstringiteratorprototype%-object" title="The %RegExpStringIteratorPrototype% Object">22.2.9.2 The %RegExpStringIteratorPrototype% Object</a><ol class="toc"><li><a href="text-processing.html#sec-%regexpstringiteratorprototype%.next" title="%RegExpStringIteratorPrototype%.next ( )">22.2.9.2.1 %RegExpStringIteratorPrototype%.next ( )</a></li><li><a href="text-processing.html#sec-%regexpstringiteratorprototype%-%symbol.tostringtag%" title="%RegExpStringIteratorPrototype% [ %Symbol.toStringTag% ]">22.2.9.2.2 %RegExpStringIteratorPrototype% [ %Symbol.toStringTag% ]</a></li></ol></li></ol></li></ol></li></ol></li><li>+<a href="indexed-collections.html#sec-indexed-collections" title="Indexed Collections">23 Indexed Collections</a><ol class="toc"><li>+<a href="indexed-collections.html#sec-array-objects" title="Array Objects">23.1 Array Objects</a><ol class="toc"><li>+<a href="indexed-collections.html#sec-array-constructor" title="The Array Constructor">23.1.1 The Array Constructor</a><ol class="toc"><li><a href="indexed-collections.html#sec-array" title="Array ( ...values )">23.1.1.1 Array ( ...<var>values</var> )</a></li></ol></li><li>+<a href="indexed-collections.html#sec-properties-of-the-array-constructor" title="Properties of the Array Constructor">23.1.2 Properties of the Array Constructor</a><ol class="toc"><li><a href="indexed-collections.html#sec-array.from" title="Array.from ( items [ , mapper [ , thisArg ] ] )">23.1.2.1 Array.from ( <var>items</var> [ , <var>mapper</var> [ , <var>thisArg</var> ] ] )</a></li><li><a href="indexed-collections.html#sec-array.isarray" title="Array.isArray ( arg )">23.1.2.2 Array.isArray ( <var>arg</var> )</a></li><li><a href="indexed-collections.html#sec-array.of" title="Array.of ( ...items )">23.1.2.3 Array.of ( ...<var>items</var> )</a></li><li><a href="indexed-collections.html#sec-array.prototype" title="Array.prototype">23.1.2.4 Array.prototype</a></li><li><a href="indexed-collections.html#sec-get-array-%symbol.species%" title="get Array [ %Symbol.species% ]">23.1.2.5 get Array [ %Symbol.species% ]</a></li></ol></li><li>+<a href="indexed-collections.html#sec-properties-of-the-array-prototype-object" title="Properties of the Array Prototype Object">23.1.3 Properties of the Array Prototype Object</a><ol class="toc"><li><a href="indexed-collections.html#sec-array.prototype.at" title="Array.prototype.at ( index )">23.1.3.1 Array.prototype.at ( <var>index</var> )</a></li><li>+<a href="indexed-collections.html#sec-array.prototype.concat" title="Array.prototype.concat ( ...items )">23.1.3.2 Array.prototype.concat ( ...<var>items</var> )</a><ol class="toc"><li><a href="indexed-collections.html#sec-isconcatspreadable" title="IsConcatSpreadable ( O )">23.1.3.2.1 IsConcatSpreadable ( <var>O</var> )</a></li></ol></li><li><a href="indexed-collections.html#sec-array.prototype.constructor" title="Array.prototype.constructor">23.1.3.3 Array.prototype.constructor</a></li><li><a href="indexed-collections.html#sec-array.prototype.copywithin" title="Array.prototype.copyWithin ( target, start [ , end ] )">23.1.3.4 Array.prototype.copyWithin ( <var>target</var>, <var>start</var> [ , <var>end</var> ] )</a></li><li><a href="indexed-collections.html#sec-array.prototype.entries" title="Array.prototype.entries ( )">23.1.3.5 Array.prototype.entries ( )</a></li><li><a href="indexed-collections.html#sec-array.prototype.every" title="Array.prototype.every ( callback [ , thisArg ] )">23.1.3.6 Array.prototype.every ( <var>callback</var> [ , <var>thisArg</var> ] )</a></li><li><a href="indexed-collections.html#sec-array.prototype.fill" title="Array.prototype.fill ( value [ , start [ , end ] ] )">23.1.3.7 Array.prototype.fill ( <var>value</var> [ , <var>start</var> [ , <var>end</var> ] ] )</a></li><li><a href="indexed-collections.html#sec-array.prototype.filter" title="Array.prototype.filter ( callback [ , thisArg ] )">23.1.3.8 Array.prototype.filter ( <var>callback</var> [ , <var>thisArg</var> ] )</a></li><li><a href="indexed-collections.html#sec-array.prototype.find" title="Array.prototype.find ( predicate [ , thisArg ] )">23.1.3.9 Array.prototype.find ( <var>predicate</var> [ , <var>thisArg</var> ] )</a></li><li><a href="indexed-collections.html#sec-array.prototype.findindex" title="Array.prototype.findIndex ( predicate [ , thisArg ] )">23.1.3.10 Array.prototype.findIndex ( <var>predicate</var> [ , <var>thisArg</var> ] )</a></li><li><a href="indexed-collections.html#sec-array.prototype.findlast" title="Array.prototype.findLast ( predicate [ , thisArg ] )">23.1.3.11 Array.prototype.findLast ( <var>predicate</var> [ , <var>thisArg</var> ] )</a></li><li>+<a href="indexed-collections.html#sec-array.prototype.findlastindex" title="Array.prototype.findLastIndex ( predicate [ , thisArg ] )">23.1.3.12 Array.prototype.findLastIndex ( <var>predicate</var> [ , <var>thisArg</var> ] )</a><ol class="toc"><li><a href="indexed-collections.html#sec-findviapredicate" title="FindViaPredicate ( O, len, direction, predicate, thisArg )">23.1.3.12.1 FindViaPredicate ( <var>O</var>, <var>len</var>, <var>direction</var>, <var>predicate</var>, <var>thisArg</var> )</a></li></ol></li><li>+<a href="indexed-collections.html#sec-array.prototype.flat" title="Array.prototype.flat ( [ depth ] )">23.1.3.13 Array.prototype.flat ( [ <var>depth</var> ] )</a><ol class="toc"><li><a href="indexed-collections.html#sec-flattenintoarray" title="FlattenIntoArray ( target, source, sourceLen, start, depth [ , mapperFunction [ , thisArg ] ] )">23.1.3.13.1 FlattenIntoArray ( <var>target</var>, <var>source</var>, <var>sourceLen</var>, <var>start</var>, <var>depth</var> [ , <var>mapperFunction</var> [ , <var>thisArg</var> ] ] )</a></li></ol></li><li><a href="indexed-collections.html#sec-array.prototype.flatmap" title="Array.prototype.flatMap ( mapperFunction [ , thisArg ] )">23.1.3.14 Array.prototype.flatMap ( <var>mapperFunction</var> [ , <var>thisArg</var> ] )</a></li><li><a href="indexed-collections.html#sec-array.prototype.foreach" title="Array.prototype.forEach ( callback [ , thisArg ] )">23.1.3.15 Array.prototype.forEach ( <var>callback</var> [ , <var>thisArg</var> ] )</a></li><li><a href="indexed-collections.html#sec-array.prototype.includes" title="Array.prototype.includes ( searchElement [ , fromIndex ] )">23.1.3.16 Array.prototype.includes ( <var>searchElement</var> [ , <var>fromIndex</var> ] )</a></li><li><a href="indexed-collections.html#sec-array.prototype.indexof" title="Array.prototype.indexOf ( searchElement [ , fromIndex ] )">23.1.3.17 Array.prototype.indexOf ( <var>searchElement</var> [ , <var>fromIndex</var> ] )</a></li><li><a href="indexed-collections.html#sec-array.prototype.join" title="Array.prototype.join ( separator )">23.1.3.18 Array.prototype.join ( <var>separator</var> )</a></li><li><a href="indexed-collections.html#sec-array.prototype.keys" title="Array.prototype.keys ( )">23.1.3.19 Array.prototype.keys ( )</a></li><li><a href="indexed-collections.html#sec-array.prototype.lastindexof" title="Array.prototype.lastIndexOf ( searchElement [ , fromIndex ] )">23.1.3.20 Array.prototype.lastIndexOf ( <var>searchElement</var> [ , <var>fromIndex</var> ] )</a></li><li><a href="indexed-collections.html#sec-array.prototype.map" title="Array.prototype.map ( callback [ , thisArg ] )">23.1.3.21 Array.prototype.map ( <var>callback</var> [ , <var>thisArg</var> ] )</a></li><li><a href="indexed-collections.html#sec-array.prototype.pop" title="Array.prototype.pop ( )">23.1.3.22 Array.prototype.pop ( )</a></li><li><a href="indexed-collections.html#sec-array.prototype.push" title="Array.prototype.push ( ...items )">23.1.3.23 Array.prototype.push ( ...<var>items</var> )</a></li><li><a href="indexed-collections.html#sec-array.prototype.reduce" title="Array.prototype.reduce ( callback [ , initialValue ] )">23.1.3.24 Array.prototype.reduce ( <var>callback</var> [ , <var>initialValue</var> ] )</a></li><li><a href="indexed-collections.html#sec-array.prototype.reduceright" title="Array.prototype.reduceRight ( callback [ , initialValue ] )">23.1.3.25 Array.prototype.reduceRight ( <var>callback</var> [ , <var>initialValue</var> ] )</a></li><li><a href="indexed-collections.html#sec-array.prototype.reverse" title="Array.prototype.reverse ( )">23.1.3.26 Array.prototype.reverse ( )</a></li><li><a href="indexed-collections.html#sec-array.prototype.shift" title="Array.prototype.shift ( )">23.1.3.27 Array.prototype.shift ( )</a></li><li><a href="indexed-collections.html#sec-array.prototype.slice" title="Array.prototype.slice ( start, end )">23.1.3.28 Array.prototype.slice ( <var>start</var>, <var>end</var> )</a></li><li><a href="indexed-collections.html#sec-array.prototype.some" title="Array.prototype.some ( callback [ , thisArg ] )">23.1.3.29 Array.prototype.some ( <var>callback</var> [ , <var>thisArg</var> ] )</a></li><li>+<a href="indexed-collections.html#sec-array.prototype.sort" title="Array.prototype.sort ( comparator )">23.1.3.30 Array.prototype.sort ( <var>comparator</var> )</a><ol class="toc"><li><a href="indexed-collections.html#sec-sortindexedproperties" title="SortIndexedProperties ( obj, len, SortCompare, holes )">23.1.3.30.1 SortIndexedProperties ( <var>obj</var>, <var>len</var>, <var>SortCompare</var>, <var>holes</var> )</a></li><li><a href="indexed-collections.html#sec-comparearrayelements" title="CompareArrayElements ( x, y, comparator )">23.1.3.30.2 CompareArrayElements ( <var>x</var>, <var>y</var>, <var>comparator</var> )</a></li></ol></li><li><a href="indexed-collections.html#sec-array.prototype.splice" title="Array.prototype.splice ( start, deleteCount, ...items )">23.1.3.31 Array.prototype.splice ( <var>start</var>, <var>deleteCount</var>, ...<var>items</var> )</a></li><li><a href="indexed-collections.html#sec-array.prototype.tolocalestring" title="Array.prototype.toLocaleString ( [ reserved1 [ , reserved2 ] ] )">23.1.3.32 Array.prototype.toLocaleString ( [ <var>reserved1</var> [ , <var>reserved2</var> ] ] )</a></li><li><a href="indexed-collections.html#sec-array.prototype.toreversed" title="Array.prototype.toReversed ( )">23.1.3.33 Array.prototype.toReversed ( )</a></li><li><a href="indexed-collections.html#sec-array.prototype.tosorted" title="Array.prototype.toSorted ( comparator )">23.1.3.34 Array.prototype.toSorted ( <var>comparator</var> )</a></li><li><a href="indexed-collections.html#sec-array.prototype.tospliced" title="Array.prototype.toSpliced ( start, skipCount, ...items )">23.1.3.35 Array.prototype.toSpliced ( <var>start</var>, <var>skipCount</var>, ...<var>items</var> )</a></li><li><a href="indexed-collections.html#sec-array.prototype.tostring" title="Array.prototype.toString ( )">23.1.3.36 Array.prototype.toString ( )</a></li><li><a href="indexed-collections.html#sec-array.prototype.unshift" title="Array.prototype.unshift ( ...items )">23.1.3.37 Array.prototype.unshift ( ...<var>items</var> )</a></li><li><a href="indexed-collections.html#sec-array.prototype.values" title="Array.prototype.values ( )">23.1.3.38 Array.prototype.values ( )</a></li><li><a href="indexed-collections.html#sec-array.prototype.with" title="Array.prototype.with ( index, value )">23.1.3.39 Array.prototype.with ( <var>index</var>, <var>value</var> )</a></li><li><a href="indexed-collections.html#sec-array.prototype-%symbol.iterator%" title="Array.prototype [ %Symbol.iterator% ] ( )">23.1.3.40 Array.prototype [ %Symbol.iterator% ] ( )</a></li><li><a href="indexed-collections.html#sec-array.prototype-%symbol.unscopables%" title="Array.prototype [ %Symbol.unscopables% ]">23.1.3.41 Array.prototype [ %Symbol.unscopables% ]</a></li></ol></li><li>+<a href="indexed-collections.html#sec-properties-of-array-instances" title="Properties of Array Instances">23.1.4 Properties of Array Instances</a><ol class="toc"><li><a href="indexed-collections.html#sec-properties-of-array-instances-length" title="length">23.1.4.1 length</a></li></ol></li><li>+<a href="indexed-collections.html#sec-array-iterator-objects" title="Array Iterator Objects">23.1.5 Array Iterator Objects</a><ol class="toc"><li><a href="indexed-collections.html#sec-createarrayiterator" title="CreateArrayIterator ( array, kind )">23.1.5.1 CreateArrayIterator ( <var>array</var>, <var>kind</var> )</a></li><li>+<a href="indexed-collections.html#sec-%arrayiteratorprototype%-object" title="The %ArrayIteratorPrototype% Object">23.1.5.2 The %ArrayIteratorPrototype% Object</a><ol class="toc"><li><a href="indexed-collections.html#sec-%arrayiteratorprototype%.next" title="%ArrayIteratorPrototype%.next ( )">23.1.5.2.1 %ArrayIteratorPrototype%.next ( )</a></li><li><a href="indexed-collections.html#sec-%arrayiteratorprototype%-%symbol.tostringtag%" title="%ArrayIteratorPrototype% [ %Symbol.toStringTag% ]">23.1.5.2.2 %ArrayIteratorPrototype% [ %Symbol.toStringTag% ]</a></li></ol></li></ol></li></ol></li><li>+<a href="indexed-collections.html#sec-typedarray-objects" title="TypedArray Objects">23.2 TypedArray Objects</a><ol class="toc"><li>+<a href="indexed-collections.html#sec-%typedarray%-intrinsic-object" title="The %TypedArray% Intrinsic Object">23.2.1 The %TypedArray% Intrinsic Object</a><ol class="toc"><li><a href="indexed-collections.html#sec-%typedarray%" title="%TypedArray% ( )">23.2.1.1 %TypedArray% ( )</a></li></ol></li><li>+<a href="indexed-collections.html#sec-properties-of-the-%typedarray%-intrinsic-object" title="Properties of the %TypedArray% Intrinsic Object">23.2.2 Properties of the %TypedArray% Intrinsic Object</a><ol class="toc"><li><a href="indexed-collections.html#sec-%typedarray%.from" title="%TypedArray%.from ( source [ , mapper [ , thisArg ] ] )">23.2.2.1 %TypedArray%.from ( <var>source</var> [ , <var>mapper</var> [ , <var>thisArg</var> ] ] )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.of" title="%TypedArray%.of ( ...items )">23.2.2.2 %TypedArray%.of ( ...<var>items</var> )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype" title="%TypedArray%.prototype">23.2.2.3 %TypedArray%.prototype</a></li><li><a href="indexed-collections.html#sec-get-%typedarray%-%symbol.species%" title="get %TypedArray% [ %Symbol.species% ]">23.2.2.4 get %TypedArray% [ %Symbol.species% ]</a></li></ol></li><li>+<a href="indexed-collections.html#sec-properties-of-the-%typedarrayprototype%-object" title="Properties of the %TypedArray% Prototype Object">23.2.3 Properties of the %TypedArray% Prototype Object</a><ol class="toc"><li><a href="indexed-collections.html#sec-%typedarray%.prototype.at" title="%TypedArray%.prototype.at ( index )">23.2.3.1 %TypedArray%.prototype.at ( <var>index</var> )</a></li><li><a href="indexed-collections.html#sec-get-%typedarray%.prototype.buffer" title="get %TypedArray%.prototype.buffer">23.2.3.2 get %TypedArray%.prototype.buffer</a></li><li><a href="indexed-collections.html#sec-get-%typedarray%.prototype.bytelength" title="get %TypedArray%.prototype.byteLength">23.2.3.3 get %TypedArray%.prototype.byteLength</a></li><li><a href="indexed-collections.html#sec-get-%typedarray%.prototype.byteoffset" title="get %TypedArray%.prototype.byteOffset">23.2.3.4 get %TypedArray%.prototype.byteOffset</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.constructor" title="%TypedArray%.prototype.constructor">23.2.3.5 %TypedArray%.prototype.constructor</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.copywithin" title="%TypedArray%.prototype.copyWithin ( target, start [ , end ] )">23.2.3.6 %TypedArray%.prototype.copyWithin ( <var>target</var>, <var>start</var> [ , <var>end</var> ] )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.entries" title="%TypedArray%.prototype.entries ( )">23.2.3.7 %TypedArray%.prototype.entries ( )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.every" title="%TypedArray%.prototype.every ( callback [ , thisArg ] )">23.2.3.8 %TypedArray%.prototype.every ( <var>callback</var> [ , <var>thisArg</var> ] )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.fill" title="%TypedArray%.prototype.fill ( value [ , start [ , end ] ] )">23.2.3.9 %TypedArray%.prototype.fill ( <var>value</var> [ , <var>start</var> [ , <var>end</var> ] ] )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.filter" title="%TypedArray%.prototype.filter ( callback [ , thisArg ] )">23.2.3.10 %TypedArray%.prototype.filter ( <var>callback</var> [ , <var>thisArg</var> ] )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.find" title="%TypedArray%.prototype.find ( predicate [ , thisArg ] )">23.2.3.11 %TypedArray%.prototype.find ( <var>predicate</var> [ , <var>thisArg</var> ] )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.findindex" title="%TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )">23.2.3.12 %TypedArray%.prototype.findIndex ( <var>predicate</var> [ , <var>thisArg</var> ] )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.findlast" title="%TypedArray%.prototype.findLast ( predicate [ , thisArg ] )">23.2.3.13 %TypedArray%.prototype.findLast ( <var>predicate</var> [ , <var>thisArg</var> ] )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.findlastindex" title="%TypedArray%.prototype.findLastIndex ( predicate [ , thisArg ] )">23.2.3.14 %TypedArray%.prototype.findLastIndex ( <var>predicate</var> [ , <var>thisArg</var> ] )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.foreach" title="%TypedArray%.prototype.forEach ( callback [ , thisArg ] )">23.2.3.15 %TypedArray%.prototype.forEach ( <var>callback</var> [ , <var>thisArg</var> ] )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.includes" title="%TypedArray%.prototype.includes ( searchElement [ , fromIndex ] )">23.2.3.16 %TypedArray%.prototype.includes ( <var>searchElement</var> [ , <var>fromIndex</var> ] )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.indexof" title="%TypedArray%.prototype.indexOf ( searchElement [ , fromIndex ] )">23.2.3.17 %TypedArray%.prototype.indexOf ( <var>searchElement</var> [ , <var>fromIndex</var> ] )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.join" title="%TypedArray%.prototype.join ( separator )">23.2.3.18 %TypedArray%.prototype.join ( <var>separator</var> )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.keys" title="%TypedArray%.prototype.keys ( )">23.2.3.19 %TypedArray%.prototype.keys ( )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.lastindexof" title="%TypedArray%.prototype.lastIndexOf ( searchElement [ , fromIndex ] )">23.2.3.20 %TypedArray%.prototype.lastIndexOf ( <var>searchElement</var> [ , <var>fromIndex</var> ] )</a></li><li><a href="indexed-collections.html#sec-get-%typedarray%.prototype.length" title="get %TypedArray%.prototype.length">23.2.3.21 get %TypedArray%.prototype.length</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.map" title="%TypedArray%.prototype.map ( callback [ , thisArg ] )">23.2.3.22 %TypedArray%.prototype.map ( <var>callback</var> [ , <var>thisArg</var> ] )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.reduce" title="%TypedArray%.prototype.reduce ( callback [ , initialValue ] )">23.2.3.23 %TypedArray%.prototype.reduce ( <var>callback</var> [ , <var>initialValue</var> ] )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.reduceright" title="%TypedArray%.prototype.reduceRight ( callback [ , initialValue ] )">23.2.3.24 %TypedArray%.prototype.reduceRight ( <var>callback</var> [ , <var>initialValue</var> ] )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.reverse" title="%TypedArray%.prototype.reverse ( )">23.2.3.25 %TypedArray%.prototype.reverse ( )</a></li><li>+<a href="indexed-collections.html#sec-%typedarray%.prototype.set" title="%TypedArray%.prototype.set ( source [ , offset ] )">23.2.3.26 %TypedArray%.prototype.set ( <var>source</var> [ , <var>offset</var> ] )</a><ol class="toc"><li><a href="indexed-collections.html#sec-settypedarrayfromtypedarray" title="SetTypedArrayFromTypedArray ( target, targetOffset, source )">23.2.3.26.1 SetTypedArrayFromTypedArray ( <var>target</var>, <var>targetOffset</var>, <var>source</var> )</a></li><li><a href="indexed-collections.html#sec-settypedarrayfromarraylike" title="SetTypedArrayFromArrayLike ( target, targetOffset, source )">23.2.3.26.2 SetTypedArrayFromArrayLike ( <var>target</var>, <var>targetOffset</var>, <var>source</var> )</a></li></ol></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.slice" title="%TypedArray%.prototype.slice ( start, end )">23.2.3.27 %TypedArray%.prototype.slice ( <var>start</var>, <var>end</var> )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.some" title="%TypedArray%.prototype.some ( callback [ , thisArg ] )">23.2.3.28 %TypedArray%.prototype.some ( <var>callback</var> [ , <var>thisArg</var> ] )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.sort" title="%TypedArray%.prototype.sort ( comparator )">23.2.3.29 %TypedArray%.prototype.sort ( <var>comparator</var> )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.subarray" title="%TypedArray%.prototype.subarray ( start, end )">23.2.3.30 %TypedArray%.prototype.subarray ( <var>start</var>, <var>end</var> )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.tolocalestring" title="%TypedArray%.prototype.toLocaleString ( [ reserved1 [ , reserved2 ] ] )">23.2.3.31 %TypedArray%.prototype.toLocaleString ( [ <var>reserved1</var> [ , <var>reserved2</var> ] ] )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.toreversed" title="%TypedArray%.prototype.toReversed ( )">23.2.3.32 %TypedArray%.prototype.toReversed ( )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.tosorted" title="%TypedArray%.prototype.toSorted ( comparator )">23.2.3.33 %TypedArray%.prototype.toSorted ( <var>comparator</var> )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.tostring" title="%TypedArray%.prototype.toString ( )">23.2.3.34 %TypedArray%.prototype.toString ( )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.values" title="%TypedArray%.prototype.values ( )">23.2.3.35 %TypedArray%.prototype.values ( )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype.with" title="%TypedArray%.prototype.with ( index, value )">23.2.3.36 %TypedArray%.prototype.with ( <var>index</var>, <var>value</var> )</a></li><li><a href="indexed-collections.html#sec-%typedarray%.prototype-%symbol.iterator%" title="%TypedArray%.prototype [ %Symbol.iterator% ] ( )">23.2.3.37 %TypedArray%.prototype [ %Symbol.iterator% ] ( )</a></li><li><a href="indexed-collections.html#sec-get-%typedarray%.prototype-%symbol.tostringtag%" title="get %TypedArray%.prototype [ %Symbol.toStringTag% ]">23.2.3.38 get %TypedArray%.prototype [ %Symbol.toStringTag% ]</a></li></ol></li><li>+<a href="indexed-collections.html#sec-abstract-operations-for-typedarray-objects" title="Abstract Operations for TypedArray Objects">23.2.4 Abstract Operations for TypedArray Objects</a><ol class="toc"><li><a href="indexed-collections.html#typedarray-species-create" title="TypedArraySpeciesCreate ( exemplar, argumentList )">23.2.4.1 TypedArraySpeciesCreate ( <var>exemplar</var>, <var>argumentList</var> )</a></li><li><a href="indexed-collections.html#sec-typedarraycreatefromconstructor" title="TypedArrayCreateFromConstructor ( constructor, argumentList )">23.2.4.2 TypedArrayCreateFromConstructor ( <var>constructor</var>, <var>argumentList</var> )</a></li><li><a href="indexed-collections.html#sec-typedarray-create-same-type" title="TypedArrayCreateSameType ( exemplar, argumentList )">23.2.4.3 TypedArrayCreateSameType ( <var>exemplar</var>, <var>argumentList</var> )</a></li><li><a href="indexed-collections.html#sec-validatetypedarray" title="ValidateTypedArray ( O, order )">23.2.4.4 ValidateTypedArray ( <var>O</var>, <var>order</var> )</a></li><li><a href="indexed-collections.html#sec-typedarrayelementsize" title="TypedArrayElementSize ( O )">23.2.4.5 TypedArrayElementSize ( <var>O</var> )</a></li><li><a href="indexed-collections.html#sec-typedarrayelementtype" title="TypedArrayElementType ( O )">23.2.4.6 TypedArrayElementType ( <var>O</var> )</a></li><li><a href="indexed-collections.html#sec-comparetypedarrayelements" title="CompareTypedArrayElements ( x, y, comparator )">23.2.4.7 CompareTypedArrayElements ( <var>x</var>, <var>y</var>, <var>comparator</var> )</a></li></ol></li><li>+<a href="indexed-collections.html#sec-typedarray-constructors" title="The TypedArray Constructors">23.2.5 The <var>TypedArray</var> Constructors</a><ol class="toc"><li>+<a href="indexed-collections.html#sec-typedarray" title="TypedArray ( ...args )">23.2.5.1 <var>TypedArray</var> ( ...<var>args</var> )</a><ol class="toc"><li><a href="indexed-collections.html#sec-allocatetypedarray" title="AllocateTypedArray ( constructorName, newTarget, defaultProto [ , length ] )">23.2.5.1.1 AllocateTypedArray ( <var>constructorName</var>, <var>newTarget</var>, <var>defaultProto</var> [ , <var>length</var> ] )</a></li><li><a href="indexed-collections.html#sec-initializetypedarrayfromtypedarray" title="InitializeTypedArrayFromTypedArray ( O, srcArray )">23.2.5.1.2 InitializeTypedArrayFromTypedArray ( <var>O</var>, <var>srcArray</var> )</a></li><li><a href="indexed-collections.html#sec-initializetypedarrayfromarraybuffer" title="InitializeTypedArrayFromArrayBuffer ( O, buffer, byteOffset, length )">23.2.5.1.3 InitializeTypedArrayFromArrayBuffer ( <var>O</var>, <var>buffer</var>, <var>byteOffset</var>, <var>length</var> )</a></li><li><a href="indexed-collections.html#sec-initializetypedarrayfromlist" title="InitializeTypedArrayFromList ( O, values )">23.2.5.1.4 InitializeTypedArrayFromList ( <var>O</var>, <var>values</var> )</a></li><li><a href="indexed-collections.html#sec-initializetypedarrayfromarraylike" title="InitializeTypedArrayFromArrayLike ( O, arrayLike )">23.2.5.1.5 InitializeTypedArrayFromArrayLike ( <var>O</var>, <var>arrayLike</var> )</a></li><li><a href="indexed-collections.html#sec-allocatetypedarraybuffer" title="AllocateTypedArrayBuffer ( O, length )">23.2.5.1.6 AllocateTypedArrayBuffer ( <var>O</var>, <var>length</var> )</a></li></ol></li></ol></li><li>+<a href="indexed-collections.html#sec-properties-of-the-typedarray-constructors" title="Properties of the TypedArray Constructors">23.2.6 Properties of the <var>TypedArray</var> Constructors</a><ol class="toc"><li><a href="indexed-collections.html#sec-typedarray.bytes_per_element" title="TypedArray.BYTES_PER_ELEMENT">23.2.6.1 <var>TypedArray</var>.BYTES_PER_ELEMENT</a></li><li><a href="indexed-collections.html#sec-typedarray.prototype" title="TypedArray.prototype">23.2.6.2 <var>TypedArray</var>.prototype</a></li></ol></li><li>+<a href="indexed-collections.html#sec-properties-of-typedarray-prototype-objects" title="Properties of the TypedArray Prototype Objects">23.2.7 Properties of the <var>TypedArray</var> Prototype Objects</a><ol class="toc"><li><a href="indexed-collections.html#sec-typedarray.prototype.bytes_per_element" title="TypedArray.prototype.BYTES_PER_ELEMENT">23.2.7.1 <var>TypedArray</var>.prototype.BYTES_PER_ELEMENT</a></li><li><a href="indexed-collections.html#sec-typedarray.prototype.constructor" title="TypedArray.prototype.constructor">23.2.7.2 <var>TypedArray</var>.prototype.constructor</a></li></ol></li><li><a href="indexed-collections.html#sec-properties-of-typedarray-instances" title="Properties of TypedArray Instances">23.2.8 Properties of <var>TypedArray</var> Instances</a></li></ol></li></ol></li><li>+<a href="keyed-collections.html#sec-keyed-collections" title="Keyed Collections">24 Keyed Collections</a><ol class="toc"><li>+<a href="keyed-collections.html#sec-map-objects" title="Map Objects">24.1 Map Objects</a><ol class="toc"><li>+<a href="keyed-collections.html#sec-map-constructor" title="The Map Constructor">24.1.1 The Map Constructor</a><ol class="toc"><li><a href="keyed-collections.html#sec-map-iterable" title="Map ( [ iterable ] )">24.1.1.1 Map ( [ <var>iterable</var> ] )</a></li><li><a href="keyed-collections.html#sec-add-entries-from-iterable" title="AddEntriesFromIterable ( target, iterable, adder )">24.1.1.2 AddEntriesFromIterable ( <var>target</var>, <var>iterable</var>, <var>adder</var> )</a></li></ol></li><li>+<a href="keyed-collections.html#sec-properties-of-the-map-constructor" title="Properties of the Map Constructor">24.1.2 Properties of the Map Constructor</a><ol class="toc"><li><a href="keyed-collections.html#sec-map.groupby" title="Map.groupBy ( items, callback )">24.1.2.1 Map.groupBy ( <var>items</var>, <var>callback</var> )</a></li><li><a href="keyed-collections.html#sec-map.prototype" title="Map.prototype">24.1.2.2 Map.prototype</a></li><li><a href="keyed-collections.html#sec-get-map-%symbol.species%" title="get Map [ %Symbol.species% ]">24.1.2.3 get Map [ %Symbol.species% ]</a></li></ol></li><li>+<a href="keyed-collections.html#sec-properties-of-the-map-prototype-object" title="Properties of the Map Prototype Object">24.1.3 Properties of the Map Prototype Object</a><ol class="toc"><li><a href="keyed-collections.html#sec-map.prototype.clear" title="Map.prototype.clear ( )">24.1.3.1 Map.prototype.clear ( )</a></li><li><a href="keyed-collections.html#sec-map.prototype.constructor" title="Map.prototype.constructor">24.1.3.2 Map.prototype.constructor</a></li><li><a href="keyed-collections.html#sec-map.prototype.delete" title="Map.prototype.delete ( key )">24.1.3.3 Map.prototype.delete ( <var>key</var> )</a></li><li><a href="keyed-collections.html#sec-map.prototype.entries" title="Map.prototype.entries ( )">24.1.3.4 Map.prototype.entries ( )</a></li><li><a href="keyed-collections.html#sec-map.prototype.foreach" title="Map.prototype.forEach ( callback [ , thisArg ] )">24.1.3.5 Map.prototype.forEach ( <var>callback</var> [ , <var>thisArg</var> ] )</a></li><li><a href="keyed-collections.html#sec-map.prototype.get" title="Map.prototype.get ( key )">24.1.3.6 Map.prototype.get ( <var>key</var> )</a></li><li><a href="keyed-collections.html#sec-map.prototype.has" title="Map.prototype.has ( key )">24.1.3.7 Map.prototype.has ( <var>key</var> )</a></li><li><a href="keyed-collections.html#sec-map.prototype.keys" title="Map.prototype.keys ( )">24.1.3.8 Map.prototype.keys ( )</a></li><li><a href="keyed-collections.html#sec-map.prototype.set" title="Map.prototype.set ( key, value )">24.1.3.9 Map.prototype.set ( <var>key</var>, <var>value</var> )</a></li><li><a href="keyed-collections.html#sec-get-map.prototype.size" title="get Map.prototype.size">24.1.3.10 get Map.prototype.size</a></li><li><a href="keyed-collections.html#sec-map.prototype.values" title="Map.prototype.values ( )">24.1.3.11 Map.prototype.values ( )</a></li><li><a href="keyed-collections.html#sec-map.prototype-%symbol.iterator%" title="Map.prototype [ %Symbol.iterator% ] ( )">24.1.3.12 Map.prototype [ %Symbol.iterator% ] ( )</a></li><li><a href="keyed-collections.html#sec-map.prototype-%symbol.tostringtag%" title="Map.prototype [ %Symbol.toStringTag% ]">24.1.3.13 Map.prototype [ %Symbol.toStringTag% ]</a></li></ol></li><li><a href="keyed-collections.html#sec-properties-of-map-instances" title="Properties of Map Instances">24.1.4 Properties of Map Instances</a></li><li>+<a href="keyed-collections.html#sec-map-iterator-objects" title="Map Iterator Objects">24.1.5 Map Iterator Objects</a><ol class="toc"><li><a href="keyed-collections.html#sec-createmapiterator" title="CreateMapIterator ( map, kind )">24.1.5.1 CreateMapIterator ( <var>map</var>, <var>kind</var> )</a></li><li>+<a href="keyed-collections.html#sec-%mapiteratorprototype%-object" title="The %MapIteratorPrototype% Object">24.1.5.2 The %MapIteratorPrototype% Object</a><ol class="toc"><li><a href="keyed-collections.html#sec-%mapiteratorprototype%.next" title="%MapIteratorPrototype%.next ( )">24.1.5.2.1 %MapIteratorPrototype%.next ( )</a></li><li><a href="keyed-collections.html#sec-%mapiteratorprototype%-%symbol.tostringtag%" title="%MapIteratorPrototype% [ %Symbol.toStringTag% ]">24.1.5.2.2 %MapIteratorPrototype% [ %Symbol.toStringTag% ]</a></li></ol></li></ol></li></ol></li><li>+<a href="keyed-collections.html#sec-set-objects" title="Set Objects">24.2 Set Objects</a><ol class="toc"><li>+<a href="keyed-collections.html#sec-abstract-operations-for-set-objects" title="Abstract Operations For Set Objects">24.2.1 Abstract Operations For Set Objects</a><ol class="toc"><li><a href="keyed-collections.html#sec-set-records" title="Set Records">24.2.1.1 Set Records</a></li><li><a href="keyed-collections.html#sec-getsetrecord" title="GetSetRecord ( obj )">24.2.1.2 GetSetRecord ( <var>obj</var> )</a></li><li><a href="keyed-collections.html#sec-setdatahas" title="SetDataHas ( setData, value )">24.2.1.3 SetDataHas ( <var>setData</var>, <var>value</var> )</a></li><li><a href="keyed-collections.html#sec-setdataindex" title="SetDataIndex ( setData, value )">24.2.1.4 SetDataIndex ( <var>setData</var>, <var>value</var> )</a></li><li><a href="keyed-collections.html#sec-setdatasize" title="SetDataSize ( setData )">24.2.1.5 SetDataSize ( <var>setData</var> )</a></li></ol></li><li>+<a href="keyed-collections.html#sec-set-constructor" title="The Set Constructor">24.2.2 The Set Constructor</a><ol class="toc"><li><a href="keyed-collections.html#sec-set-iterable" title="Set ( [ iterable ] )">24.2.2.1 Set ( [ <var>iterable</var> ] )</a></li></ol></li><li>+<a href="keyed-collections.html#sec-properties-of-the-set-constructor" title="Properties of the Set Constructor">24.2.3 Properties of the Set Constructor</a><ol class="toc"><li><a href="keyed-collections.html#sec-set.prototype" title="Set.prototype">24.2.3.1 Set.prototype</a></li><li><a href="keyed-collections.html#sec-get-set-%symbol.species%" title="get Set [ %Symbol.species% ]">24.2.3.2 get Set [ %Symbol.species% ]</a></li></ol></li><li>+<a href="keyed-collections.html#sec-properties-of-the-set-prototype-object" title="Properties of the Set Prototype Object">24.2.4 Properties of the Set Prototype Object</a><ol class="toc"><li><a href="keyed-collections.html#sec-set.prototype.add" title="Set.prototype.add ( value )">24.2.4.1 Set.prototype.add ( <var>value</var> )</a></li><li><a href="keyed-collections.html#sec-set.prototype.clear" title="Set.prototype.clear ( )">24.2.4.2 Set.prototype.clear ( )</a></li><li><a href="keyed-collections.html#sec-set.prototype.constructor" title="Set.prototype.constructor">24.2.4.3 Set.prototype.constructor</a></li><li><a href="keyed-collections.html#sec-set.prototype.delete" title="Set.prototype.delete ( value )">24.2.4.4 Set.prototype.delete ( <var>value</var> )</a></li><li><a href="keyed-collections.html#sec-set.prototype.difference" title="Set.prototype.difference ( other )">24.2.4.5 Set.prototype.difference ( <var>other</var> )</a></li><li><a href="keyed-collections.html#sec-set.prototype.entries" title="Set.prototype.entries ( )">24.2.4.6 Set.prototype.entries ( )</a></li><li><a href="keyed-collections.html#sec-set.prototype.foreach" title="Set.prototype.forEach ( callback [ , thisArg ] )">24.2.4.7 Set.prototype.forEach ( <var>callback</var> [ , <var>thisArg</var> ] )</a></li><li><a href="keyed-collections.html#sec-set.prototype.has" title="Set.prototype.has ( value )">24.2.4.8 Set.prototype.has ( <var>value</var> )</a></li><li><a href="keyed-collections.html#sec-set.prototype.intersection" title="Set.prototype.intersection ( other )">24.2.4.9 Set.prototype.intersection ( <var>other</var> )</a></li><li><a href="keyed-collections.html#sec-set.prototype.isdisjointfrom" title="Set.prototype.isDisjointFrom ( other )">24.2.4.10 Set.prototype.isDisjointFrom ( <var>other</var> )</a></li><li><a href="keyed-collections.html#sec-set.prototype.issubsetof" title="Set.prototype.isSubsetOf ( other )">24.2.4.11 Set.prototype.isSubsetOf ( <var>other</var> )</a></li><li><a href="keyed-collections.html#sec-set.prototype.issupersetof" title="Set.prototype.isSupersetOf ( other )">24.2.4.12 Set.prototype.isSupersetOf ( <var>other</var> )</a></li><li><a href="keyed-collections.html#sec-set.prototype.keys" title="Set.prototype.keys ( )">24.2.4.13 Set.prototype.keys ( )</a></li><li><a href="keyed-collections.html#sec-get-set.prototype.size" title="get Set.prototype.size">24.2.4.14 get Set.prototype.size</a></li><li><a href="keyed-collections.html#sec-set.prototype.symmetricdifference" title="Set.prototype.symmetricDifference ( other )">24.2.4.15 Set.prototype.symmetricDifference ( <var>other</var> )</a></li><li><a href="keyed-collections.html#sec-set.prototype.union" title="Set.prototype.union ( other )">24.2.4.16 Set.prototype.union ( <var>other</var> )</a></li><li><a href="keyed-collections.html#sec-set.prototype.values" title="Set.prototype.values ( )">24.2.4.17 Set.prototype.values ( )</a></li><li><a href="keyed-collections.html#sec-set.prototype-%symbol.iterator%" title="Set.prototype [ %Symbol.iterator% ] ( )">24.2.4.18 Set.prototype [ %Symbol.iterator% ] ( )</a></li><li><a href="keyed-collections.html#sec-set.prototype-%symbol.tostringtag%" title="Set.prototype [ %Symbol.toStringTag% ]">24.2.4.19 Set.prototype [ %Symbol.toStringTag% ]</a></li></ol></li><li><a href="keyed-collections.html#sec-properties-of-set-instances" title="Properties of Set Instances">24.2.5 Properties of Set Instances</a></li><li>+<a href="keyed-collections.html#sec-set-iterator-objects" title="Set Iterator Objects">24.2.6 Set Iterator Objects</a><ol class="toc"><li><a href="keyed-collections.html#sec-createsetiterator" title="CreateSetIterator ( set, kind )">24.2.6.1 CreateSetIterator ( <var>set</var>, <var>kind</var> )</a></li><li>+<a href="keyed-collections.html#sec-%setiteratorprototype%-object" title="The %SetIteratorPrototype% Object">24.2.6.2 The %SetIteratorPrototype% Object</a><ol class="toc"><li><a href="keyed-collections.html#sec-%setiteratorprototype%.next" title="%SetIteratorPrototype%.next ( )">24.2.6.2.1 %SetIteratorPrototype%.next ( )</a></li><li><a href="keyed-collections.html#sec-%setiteratorprototype%-%symbol.tostringtag%" title="%SetIteratorPrototype% [ %Symbol.toStringTag% ]">24.2.6.2.2 %SetIteratorPrototype% [ %Symbol.toStringTag% ]</a></li></ol></li></ol></li></ol></li><li>+<a href="keyed-collections.html#sec-weakmap-objects" title="WeakMap Objects">24.3 WeakMap Objects</a><ol class="toc"><li>+<a href="keyed-collections.html#sec-weakmap-constructor" title="The WeakMap Constructor">24.3.1 The WeakMap Constructor</a><ol class="toc"><li><a href="keyed-collections.html#sec-weakmap-iterable" title="WeakMap ( [ iterable ] )">24.3.1.1 WeakMap ( [ <var>iterable</var> ] )</a></li></ol></li><li>+<a href="keyed-collections.html#sec-properties-of-the-weakmap-constructor" title="Properties of the WeakMap Constructor">24.3.2 Properties of the WeakMap Constructor</a><ol class="toc"><li><a href="keyed-collections.html#sec-weakmap.prototype" title="WeakMap.prototype">24.3.2.1 WeakMap.prototype</a></li></ol></li><li>+<a href="keyed-collections.html#sec-properties-of-the-weakmap-prototype-object" title="Properties of the WeakMap Prototype Object">24.3.3 Properties of the WeakMap Prototype Object</a><ol class="toc"><li><a href="keyed-collections.html#sec-weakmap.prototype.constructor" title="WeakMap.prototype.constructor">24.3.3.1 WeakMap.prototype.constructor</a></li><li><a href="keyed-collections.html#sec-weakmap.prototype.delete" title="WeakMap.prototype.delete ( key )">24.3.3.2 WeakMap.prototype.delete ( <var>key</var> )</a></li><li><a href="keyed-collections.html#sec-weakmap.prototype.get" title="WeakMap.prototype.get ( key )">24.3.3.3 WeakMap.prototype.get ( <var>key</var> )</a></li><li><a href="keyed-collections.html#sec-weakmap.prototype.has" title="WeakMap.prototype.has ( key )">24.3.3.4 WeakMap.prototype.has ( <var>key</var> )</a></li><li><a href="keyed-collections.html#sec-weakmap.prototype.set" title="WeakMap.prototype.set ( key, value )">24.3.3.5 WeakMap.prototype.set ( <var>key</var>, <var>value</var> )</a></li><li><a href="keyed-collections.html#sec-weakmap.prototype-%symbol.tostringtag%" title="WeakMap.prototype [ %Symbol.toStringTag% ]">24.3.3.6 WeakMap.prototype [ %Symbol.toStringTag% ]</a></li></ol></li><li><a href="keyed-collections.html#sec-properties-of-weakmap-instances" title="Properties of WeakMap Instances">24.3.4 Properties of WeakMap Instances</a></li></ol></li><li>+<a href="keyed-collections.html#sec-weakset-objects" title="WeakSet Objects">24.4 WeakSet Objects</a><ol class="toc"><li>+<a href="keyed-collections.html#sec-weakset-constructor" title="The WeakSet Constructor">24.4.1 The WeakSet Constructor</a><ol class="toc"><li><a href="keyed-collections.html#sec-weakset-iterable" title="WeakSet ( [ iterable ] )">24.4.1.1 WeakSet ( [ <var>iterable</var> ] )</a></li></ol></li><li>+<a href="keyed-collections.html#sec-properties-of-the-weakset-constructor" title="Properties of the WeakSet Constructor">24.4.2 Properties of the WeakSet Constructor</a><ol class="toc"><li><a href="keyed-collections.html#sec-weakset.prototype" title="WeakSet.prototype">24.4.2.1 WeakSet.prototype</a></li></ol></li><li>+<a href="keyed-collections.html#sec-properties-of-the-weakset-prototype-object" title="Properties of the WeakSet Prototype Object">24.4.3 Properties of the WeakSet Prototype Object</a><ol class="toc"><li><a href="keyed-collections.html#sec-weakset.prototype.add" title="WeakSet.prototype.add ( value )">24.4.3.1 WeakSet.prototype.add ( <var>value</var> )</a></li><li><a href="keyed-collections.html#sec-weakset.prototype.constructor" title="WeakSet.prototype.constructor">24.4.3.2 WeakSet.prototype.constructor</a></li><li><a href="keyed-collections.html#sec-weakset.prototype.delete" title="WeakSet.prototype.delete ( value )">24.4.3.3 WeakSet.prototype.delete ( <var>value</var> )</a></li><li><a href="keyed-collections.html#sec-weakset.prototype.has" title="WeakSet.prototype.has ( value )">24.4.3.4 WeakSet.prototype.has ( <var>value</var> )</a></li><li><a href="keyed-collections.html#sec-weakset.prototype-%symbol.tostringtag%" title="WeakSet.prototype [ %Symbol.toStringTag% ]">24.4.3.5 WeakSet.prototype [ %Symbol.toStringTag% ]</a></li></ol></li><li><a href="keyed-collections.html#sec-properties-of-weakset-instances" title="Properties of WeakSet Instances">24.4.4 Properties of WeakSet Instances</a></li></ol></li><li>+<a href="keyed-collections.html#sec-abstract-operations-for-keyed-collections" title="Abstract Operations for Keyed Collections">24.5 Abstract Operations for Keyed Collections</a><ol class="toc"><li><a href="keyed-collections.html#sec-canonicalizekeyedcollectionkey" title="CanonicalizeKeyedCollectionKey ( key )">24.5.1 CanonicalizeKeyedCollectionKey ( <var>key</var> )</a></li></ol></li></ol></li><li>+<a href="structured-data.html#sec-structured-data" title="Structured Data">25 Structured Data</a><ol class="toc"><li>+<a href="structured-data.html#sec-arraybuffer-objects" title="ArrayBuffer Objects">25.1 ArrayBuffer Objects</a><ol class="toc"><li><a href="structured-data.html#sec-arraybuffer-notation" title="Notation">25.1.1 Notation</a></li><li><a href="structured-data.html#sec-fixed-length-and-resizable-arraybuffer-objects" title="Fixed-length and Resizable ArrayBuffer Objects">25.1.2 Fixed-length and Resizable ArrayBuffer Objects</a></li><li>+<a href="structured-data.html#sec-abstract-operations-for-arraybuffer-objects" title="Abstract Operations For ArrayBuffer Objects">25.1.3 Abstract Operations For ArrayBuffer Objects</a><ol class="toc"><li><a href="structured-data.html#sec-allocatearraybuffer" title="AllocateArrayBuffer ( constructor, byteLength [ , maxByteLength ] )">25.1.3.1 AllocateArrayBuffer ( <var>constructor</var>, <var>byteLength</var> [ , <var>maxByteLength</var> ] )</a></li><li><a href="structured-data.html#sec-arraybufferbytelength" title="ArrayBufferByteLength ( arrayBuffer, order )">25.1.3.2 ArrayBufferByteLength ( <var>arrayBuffer</var>, <var>order</var> )</a></li><li><a href="structured-data.html#sec-arraybuffercopyanddetach" title="ArrayBufferCopyAndDetach ( arrayBuffer, newLength, preserveResizability )">25.1.3.3 ArrayBufferCopyAndDetach ( <var>arrayBuffer</var>, <var>newLength</var>, <var>preserveResizability</var> )</a></li><li><a href="structured-data.html#sec-isdetachedbuffer" title="IsDetachedBuffer ( arrayBuffer )">25.1.3.4 IsDetachedBuffer ( <var>arrayBuffer</var> )</a></li><li><a href="structured-data.html#sec-detacharraybuffer" title="DetachArrayBuffer ( arrayBuffer [ , key ] )">25.1.3.5 DetachArrayBuffer ( <var>arrayBuffer</var> [ , <var>key</var> ] )</a></li><li><a href="structured-data.html#sec-clonearraybuffer" title="CloneArrayBuffer ( srcBuffer, srcByteOffset, srcLength )">25.1.3.6 CloneArrayBuffer ( <var>srcBuffer</var>, <var>srcByteOffset</var>, <var>srcLength</var> )</a></li><li><a href="structured-data.html#sec-getarraybuffermaxbytelengthoption" title="GetArrayBufferMaxByteLengthOption ( options )">25.1.3.7 GetArrayBufferMaxByteLengthOption ( <var>options</var> )</a></li><li><a href="structured-data.html#sec-hostresizearraybuffer" title="HostResizeArrayBuffer ( buffer, newByteLength )">25.1.3.8 HostResizeArrayBuffer ( <var>buffer</var>, <var>newByteLength</var> )</a></li><li><a href="structured-data.html#sec-isfixedlengtharraybuffer" title="IsFixedLengthArrayBuffer ( arrayBuffer )">25.1.3.9 IsFixedLengthArrayBuffer ( <var>arrayBuffer</var> )</a></li><li><a href="structured-data.html#sec-isunsignedelementtype" title="IsUnsignedElementType ( type )">25.1.3.10 IsUnsignedElementType ( <var>type</var> )</a></li><li><a href="structured-data.html#sec-isunclampedintegerelementtype" title="IsUnclampedIntegerElementType ( type )">25.1.3.11 IsUnclampedIntegerElementType ( <var>type</var> )</a></li><li><a href="structured-data.html#sec-isbigintelementtype" title="IsBigIntElementType ( type )">25.1.3.12 IsBigIntElementType ( <var>type</var> )</a></li><li><a href="structured-data.html#sec-isnotearconfiguration" title="IsNoTearConfiguration ( type, order )">25.1.3.13 IsNoTearConfiguration ( <var>type</var>, <var>order</var> )</a></li><li><a href="structured-data.html#sec-rawbytestonumeric" title="RawBytesToNumeric ( type, rawBytes, isLittleEndian )">25.1.3.14 RawBytesToNumeric ( <var>type</var>, <var>rawBytes</var>, <var>isLittleEndian</var> )</a></li><li><a href="structured-data.html#sec-getrawbytesfromsharedblock" title="GetRawBytesFromSharedBlock ( block, byteIndex, type, isTypedArray, order )">25.1.3.15 GetRawBytesFromSharedBlock ( <var>block</var>, <var>byteIndex</var>, <var>type</var>, <var>isTypedArray</var>, <var>order</var> )</a></li><li><a href="structured-data.html#sec-getvaluefrombuffer" title="GetValueFromBuffer ( arrayBuffer, byteIndex, type, isTypedArray, order [ , isLittleEndian ] )">25.1.3.16 GetValueFromBuffer ( <var>arrayBuffer</var>, <var>byteIndex</var>, <var>type</var>, <var>isTypedArray</var>, <var>order</var> [ , <var>isLittleEndian</var> ] )</a></li><li><a href="structured-data.html#sec-numerictorawbytes" title="NumericToRawBytes ( type, value, isLittleEndian )">25.1.3.17 NumericToRawBytes ( <var>type</var>, <var>value</var>, <var>isLittleEndian</var> )</a></li><li><a href="structured-data.html#sec-setvalueinbuffer" title="SetValueInBuffer ( arrayBuffer, byteIndex, type, value, isTypedArray, order [ , isLittleEndian ] )">25.1.3.18 SetValueInBuffer ( <var>arrayBuffer</var>, <var>byteIndex</var>, <var>type</var>, <var>value</var>, <var>isTypedArray</var>, <var>order</var> [ , <var>isLittleEndian</var> ] )</a></li><li><a href="structured-data.html#sec-getmodifysetvalueinbuffer" title="GetModifySetValueInBuffer ( arrayBuffer, byteIndex, type, value, op )">25.1.3.19 GetModifySetValueInBuffer ( <var>arrayBuffer</var>, <var>byteIndex</var>, <var>type</var>, <var>value</var>, <var>op</var> )</a></li></ol></li><li>+<a href="structured-data.html#sec-arraybuffer-constructor" title="The ArrayBuffer Constructor">25.1.4 The ArrayBuffer Constructor</a><ol class="toc"><li><a href="structured-data.html#sec-arraybuffer-length" title="ArrayBuffer ( length [ , options ] )">25.1.4.1 ArrayBuffer ( <var>length</var> [ , <var>options</var> ] )</a></li></ol></li><li>+<a href="structured-data.html#sec-properties-of-the-arraybuffer-constructor" title="Properties of the ArrayBuffer Constructor">25.1.5 Properties of the ArrayBuffer Constructor</a><ol class="toc"><li><a href="structured-data.html#sec-arraybuffer.isview" title="ArrayBuffer.isView ( arg )">25.1.5.1 ArrayBuffer.isView ( <var>arg</var> )</a></li><li><a href="structured-data.html#sec-arraybuffer.prototype" title="ArrayBuffer.prototype">25.1.5.2 ArrayBuffer.prototype</a></li><li><a href="structured-data.html#sec-get-arraybuffer-%symbol.species%" title="get ArrayBuffer [ %Symbol.species% ]">25.1.5.3 get ArrayBuffer [ %Symbol.species% ]</a></li></ol></li><li>+<a href="structured-data.html#sec-properties-of-the-arraybuffer-prototype-object" title="Properties of the ArrayBuffer Prototype Object">25.1.6 Properties of the ArrayBuffer Prototype Object</a><ol class="toc"><li><a href="structured-data.html#sec-get-arraybuffer.prototype.bytelength" title="get ArrayBuffer.prototype.byteLength">25.1.6.1 get ArrayBuffer.prototype.byteLength</a></li><li><a href="structured-data.html#sec-arraybuffer.prototype.constructor" title="ArrayBuffer.prototype.constructor">25.1.6.2 ArrayBuffer.prototype.constructor</a></li><li><a href="structured-data.html#sec-get-arraybuffer.prototype.detached" title="get ArrayBuffer.prototype.detached">25.1.6.3 get ArrayBuffer.prototype.detached</a></li><li><a href="structured-data.html#sec-get-arraybuffer.prototype.maxbytelength" title="get ArrayBuffer.prototype.maxByteLength">25.1.6.4 get ArrayBuffer.prototype.maxByteLength</a></li><li><a href="structured-data.html#sec-get-arraybuffer.prototype.resizable" title="get ArrayBuffer.prototype.resizable">25.1.6.5 get ArrayBuffer.prototype.resizable</a></li><li><a href="structured-data.html#sec-arraybuffer.prototype.resize" title="ArrayBuffer.prototype.resize ( newLength )">25.1.6.6 ArrayBuffer.prototype.resize ( <var>newLength</var> )</a></li><li><a href="structured-data.html#sec-arraybuffer.prototype.slice" title="ArrayBuffer.prototype.slice ( start, end )">25.1.6.7 ArrayBuffer.prototype.slice ( <var>start</var>, <var>end</var> )</a></li><li><a href="structured-data.html#sec-arraybuffer.prototype.transfer" title="ArrayBuffer.prototype.transfer ( [ newLength ] )">25.1.6.8 ArrayBuffer.prototype.transfer ( [ <var>newLength</var> ] )</a></li><li><a href="structured-data.html#sec-arraybuffer.prototype.transfertofixedlength" title="ArrayBuffer.prototype.transferToFixedLength ( [ newLength ] )">25.1.6.9 ArrayBuffer.prototype.transferToFixedLength ( [ <var>newLength</var> ] )</a></li><li><a href="structured-data.html#sec-arraybuffer.prototype-%symbol.tostringtag%" title="ArrayBuffer.prototype [ %Symbol.toStringTag% ]">25.1.6.10 ArrayBuffer.prototype [ %Symbol.toStringTag% ]</a></li></ol></li><li><a href="structured-data.html#sec-properties-of-the-arraybuffer-instances" title="Properties of ArrayBuffer Instances">25.1.7 Properties of ArrayBuffer Instances</a></li><li><a href="structured-data.html#sec-resizable-arraybuffer-guidelines" title="Resizable ArrayBuffer Guidelines">25.1.8 Resizable ArrayBuffer Guidelines</a></li></ol></li><li>+<a href="structured-data.html#sec-sharedarraybuffer-objects" title="SharedArrayBuffer Objects">25.2 SharedArrayBuffer Objects</a><ol class="toc"><li><a href="structured-data.html#sec-fixed-length-and-growable-sharedarraybuffer-objects" title="Fixed-length and Growable SharedArrayBuffer Objects">25.2.1 Fixed-length and Growable SharedArrayBuffer Objects</a></li><li>+<a href="structured-data.html#sec-abstract-operations-for-sharedarraybuffer-objects" title="Abstract Operations for SharedArrayBuffer Objects">25.2.2 Abstract Operations for SharedArrayBuffer Objects</a><ol class="toc"><li><a href="structured-data.html#sec-allocatesharedarraybuffer" title="AllocateSharedArrayBuffer ( constructor, byteLength [ , maxByteLength ] )">25.2.2.1 AllocateSharedArrayBuffer ( <var>constructor</var>, <var>byteLength</var> [ , <var>maxByteLength</var> ] )</a></li><li><a href="structured-data.html#sec-issharedarraybuffer" title="IsSharedArrayBuffer ( obj )">25.2.2.2 IsSharedArrayBuffer ( <var>obj</var> )</a></li><li><a href="structured-data.html#sec-hostgrowsharedarraybuffer" title="HostGrowSharedArrayBuffer ( buffer, newByteLength )">25.2.2.3 HostGrowSharedArrayBuffer ( <var>buffer</var>, <var>newByteLength</var> )</a></li></ol></li><li>+<a href="structured-data.html#sec-sharedarraybuffer-constructor" title="The SharedArrayBuffer Constructor">25.2.3 The SharedArrayBuffer Constructor</a><ol class="toc"><li><a href="structured-data.html#sec-sharedarraybuffer-length" title="SharedArrayBuffer ( length [ , options ] )">25.2.3.1 SharedArrayBuffer ( <var>length</var> [ , <var>options</var> ] )</a></li></ol></li><li>+<a href="structured-data.html#sec-properties-of-the-sharedarraybuffer-constructor" title="Properties of the SharedArrayBuffer Constructor">25.2.4 Properties of the SharedArrayBuffer Constructor</a><ol class="toc"><li><a href="structured-data.html#sec-sharedarraybuffer.prototype" title="SharedArrayBuffer.prototype">25.2.4.1 SharedArrayBuffer.prototype</a></li><li><a href="structured-data.html#sec-sharedarraybuffer-%symbol.species%" title="get SharedArrayBuffer [ %Symbol.species% ]">25.2.4.2 get SharedArrayBuffer [ %Symbol.species% ]</a></li></ol></li><li>+<a href="structured-data.html#sec-properties-of-the-sharedarraybuffer-prototype-object" title="Properties of the SharedArrayBuffer Prototype Object">25.2.5 Properties of the SharedArrayBuffer Prototype Object</a><ol class="toc"><li><a href="structured-data.html#sec-get-sharedarraybuffer.prototype.bytelength" title="get SharedArrayBuffer.prototype.byteLength">25.2.5.1 get SharedArrayBuffer.prototype.byteLength</a></li><li><a href="structured-data.html#sec-sharedarraybuffer.prototype.constructor" title="SharedArrayBuffer.prototype.constructor">25.2.5.2 SharedArrayBuffer.prototype.constructor</a></li><li><a href="structured-data.html#sec-sharedarraybuffer.prototype.grow" title="SharedArrayBuffer.prototype.grow ( newLength )">25.2.5.3 SharedArrayBuffer.prototype.grow ( <var>newLength</var> )</a></li><li><a href="structured-data.html#sec-get-sharedarraybuffer.prototype.growable" title="get SharedArrayBuffer.prototype.growable">25.2.5.4 get SharedArrayBuffer.prototype.growable</a></li><li><a href="structured-data.html#sec-get-sharedarraybuffer.prototype.maxbytelength" title="get SharedArrayBuffer.prototype.maxByteLength">25.2.5.5 get SharedArrayBuffer.prototype.maxByteLength</a></li><li><a href="structured-data.html#sec-sharedarraybuffer.prototype.slice" title="SharedArrayBuffer.prototype.slice ( start, end )">25.2.5.6 SharedArrayBuffer.prototype.slice ( <var>start</var>, <var>end</var> )</a></li><li><a href="structured-data.html#sec-sharedarraybuffer.prototype-%symbol.tostringtag%" title="SharedArrayBuffer.prototype [ %Symbol.toStringTag% ]">25.2.5.7 SharedArrayBuffer.prototype [ %Symbol.toStringTag% ]</a></li></ol></li><li><a href="structured-data.html#sec-properties-of-the-sharedarraybuffer-instances" title="Properties of SharedArrayBuffer Instances">25.2.6 Properties of SharedArrayBuffer Instances</a></li><li><a href="structured-data.html#sec-growable-sharedarraybuffer-guidelines" title="Growable SharedArrayBuffer Guidelines">25.2.7 Growable SharedArrayBuffer Guidelines</a></li></ol></li><li>+<a href="structured-data.html#sec-dataview-objects" title="DataView Objects">25.3 DataView Objects</a><ol class="toc"><li>+<a href="structured-data.html#sec-abstract-operations-for-dataview-objects" title="Abstract Operations For DataView Objects">25.3.1 Abstract Operations For DataView Objects</a><ol class="toc"><li><a href="structured-data.html#sec-dataview-with-buffer-witness-records" title="DataView With Buffer Witness Records">25.3.1.1 DataView With Buffer Witness Records</a></li><li><a href="structured-data.html#sec-makedataviewwithbufferwitnessrecord" title="MakeDataViewWithBufferWitnessRecord ( obj, order )">25.3.1.2 MakeDataViewWithBufferWitnessRecord ( <var>obj</var>, <var>order</var> )</a></li><li><a href="structured-data.html#sec-getviewbytelength" title="GetViewByteLength ( viewRecord )">25.3.1.3 GetViewByteLength ( <var>viewRecord</var> )</a></li><li><a href="structured-data.html#sec-isviewoutofbounds" title="IsViewOutOfBounds ( viewRecord )">25.3.1.4 IsViewOutOfBounds ( <var>viewRecord</var> )</a></li><li><a href="structured-data.html#sec-getviewvalue" title="GetViewValue ( view, requestIndex, isLittleEndian, type )">25.3.1.5 GetViewValue ( <var>view</var>, <var>requestIndex</var>, <var>isLittleEndian</var>, <var>type</var> )</a></li><li><a href="structured-data.html#sec-setviewvalue" title="SetViewValue ( view, requestIndex, isLittleEndian, type, value )">25.3.1.6 SetViewValue ( <var>view</var>, <var>requestIndex</var>, <var>isLittleEndian</var>, <var>type</var>, <var>value</var> )</a></li></ol></li><li>+<a href="structured-data.html#sec-dataview-constructor" title="The DataView Constructor">25.3.2 The DataView Constructor</a><ol class="toc"><li><a href="structured-data.html#sec-dataview-buffer-byteoffset-bytelength" title="DataView ( buffer [ , byteOffset [ , byteLength ] ] )">25.3.2.1 DataView ( <var>buffer</var> [ , <var>byteOffset</var> [ , <var>byteLength</var> ] ] )</a></li></ol></li><li>+<a href="structured-data.html#sec-properties-of-the-dataview-constructor" title="Properties of the DataView Constructor">25.3.3 Properties of the DataView Constructor</a><ol class="toc"><li><a href="structured-data.html#sec-dataview.prototype" title="DataView.prototype">25.3.3.1 DataView.prototype</a></li></ol></li><li>+<a href="structured-data.html#sec-properties-of-the-dataview-prototype-object" title="Properties of the DataView Prototype Object">25.3.4 Properties of the DataView Prototype Object</a><ol class="toc"><li><a href="structured-data.html#sec-get-dataview.prototype.buffer" title="get DataView.prototype.buffer">25.3.4.1 get DataView.prototype.buffer</a></li><li><a href="structured-data.html#sec-get-dataview.prototype.bytelength" title="get DataView.prototype.byteLength">25.3.4.2 get DataView.prototype.byteLength</a></li><li><a href="structured-data.html#sec-get-dataview.prototype.byteoffset" title="get DataView.prototype.byteOffset">25.3.4.3 get DataView.prototype.byteOffset</a></li><li><a href="structured-data.html#sec-dataview.prototype.constructor" title="DataView.prototype.constructor">25.3.4.4 DataView.prototype.constructor</a></li><li><a href="structured-data.html#sec-dataview.prototype.getbigint64" title="DataView.prototype.getBigInt64 ( byteOffset [ , littleEndian ] )">25.3.4.5 DataView.prototype.getBigInt64 ( <var>byteOffset</var> [ , <var>littleEndian</var> ] )</a></li><li><a href="structured-data.html#sec-dataview.prototype.getbiguint64" title="DataView.prototype.getBigUint64 ( byteOffset [ , littleEndian ] )">25.3.4.6 DataView.prototype.getBigUint64 ( <var>byteOffset</var> [ , <var>littleEndian</var> ] )</a></li><li><a href="structured-data.html#sec-dataview.prototype.getfloat16" title="DataView.prototype.getFloat16 ( byteOffset [ , littleEndian ] )">25.3.4.7 DataView.prototype.getFloat16 ( <var>byteOffset</var> [ , <var>littleEndian</var> ] )</a></li><li><a href="structured-data.html#sec-dataview.prototype.getfloat32" title="DataView.prototype.getFloat32 ( byteOffset [ , littleEndian ] )">25.3.4.8 DataView.prototype.getFloat32 ( <var>byteOffset</var> [ , <var>littleEndian</var> ] )</a></li><li><a href="structured-data.html#sec-dataview.prototype.getfloat64" title="DataView.prototype.getFloat64 ( byteOffset [ , littleEndian ] )">25.3.4.9 DataView.prototype.getFloat64 ( <var>byteOffset</var> [ , <var>littleEndian</var> ] )</a></li><li><a href="structured-data.html#sec-dataview.prototype.getint8" title="DataView.prototype.getInt8 ( byteOffset )">25.3.4.10 DataView.prototype.getInt8 ( <var>byteOffset</var> )</a></li><li><a href="structured-data.html#sec-dataview.prototype.getint16" title="DataView.prototype.getInt16 ( byteOffset [ , littleEndian ] )">25.3.4.11 DataView.prototype.getInt16 ( <var>byteOffset</var> [ , <var>littleEndian</var> ] )</a></li><li><a href="structured-data.html#sec-dataview.prototype.getint32" title="DataView.prototype.getInt32 ( byteOffset [ , littleEndian ] )">25.3.4.12 DataView.prototype.getInt32 ( <var>byteOffset</var> [ , <var>littleEndian</var> ] )</a></li><li><a href="structured-data.html#sec-dataview.prototype.getuint8" title="DataView.prototype.getUint8 ( byteOffset )">25.3.4.13 DataView.prototype.getUint8 ( <var>byteOffset</var> )</a></li><li><a href="structured-data.html#sec-dataview.prototype.getuint16" title="DataView.prototype.getUint16 ( byteOffset [ , littleEndian ] )">25.3.4.14 DataView.prototype.getUint16 ( <var>byteOffset</var> [ , <var>littleEndian</var> ] )</a></li><li><a href="structured-data.html#sec-dataview.prototype.getuint32" title="DataView.prototype.getUint32 ( byteOffset [ , littleEndian ] )">25.3.4.15 DataView.prototype.getUint32 ( <var>byteOffset</var> [ , <var>littleEndian</var> ] )</a></li><li><a href="structured-data.html#sec-dataview.prototype.setbigint64" title="DataView.prototype.setBigInt64 ( byteOffset, value [ , littleEndian ] )">25.3.4.16 DataView.prototype.setBigInt64 ( <var>byteOffset</var>, <var>value</var> [ , <var>littleEndian</var> ] )</a></li><li><a href="structured-data.html#sec-dataview.prototype.setbiguint64" title="DataView.prototype.setBigUint64 ( byteOffset, value [ , littleEndian ] )">25.3.4.17 DataView.prototype.setBigUint64 ( <var>byteOffset</var>, <var>value</var> [ , <var>littleEndian</var> ] )</a></li><li><a href="structured-data.html#sec-dataview.prototype.setfloat16" title="DataView.prototype.setFloat16 ( byteOffset, value [ , littleEndian ] )">25.3.4.18 DataView.prototype.setFloat16 ( <var>byteOffset</var>, <var>value</var> [ , <var>littleEndian</var> ] )</a></li><li><a href="structured-data.html#sec-dataview.prototype.setfloat32" title="DataView.prototype.setFloat32 ( byteOffset, value [ , littleEndian ] )">25.3.4.19 DataView.prototype.setFloat32 ( <var>byteOffset</var>, <var>value</var> [ , <var>littleEndian</var> ] )</a></li><li><a href="structured-data.html#sec-dataview.prototype.setfloat64" title="DataView.prototype.setFloat64 ( byteOffset, value [ , littleEndian ] )">25.3.4.20 DataView.prototype.setFloat64 ( <var>byteOffset</var>, <var>value</var> [ , <var>littleEndian</var> ] )</a></li><li><a href="structured-data.html#sec-dataview.prototype.setint8" title="DataView.prototype.setInt8 ( byteOffset, value )">25.3.4.21 DataView.prototype.setInt8 ( <var>byteOffset</var>, <var>value</var> )</a></li><li><a href="structured-data.html#sec-dataview.prototype.setint16" title="DataView.prototype.setInt16 ( byteOffset, value [ , littleEndian ] )">25.3.4.22 DataView.prototype.setInt16 ( <var>byteOffset</var>, <var>value</var> [ , <var>littleEndian</var> ] )</a></li><li><a href="structured-data.html#sec-dataview.prototype.setint32" title="DataView.prototype.setInt32 ( byteOffset, value [ , littleEndian ] )">25.3.4.23 DataView.prototype.setInt32 ( <var>byteOffset</var>, <var>value</var> [ , <var>littleEndian</var> ] )</a></li><li><a href="structured-data.html#sec-dataview.prototype.setuint8" title="DataView.prototype.setUint8 ( byteOffset, value )">25.3.4.24 DataView.prototype.setUint8 ( <var>byteOffset</var>, <var>value</var> )</a></li><li><a href="structured-data.html#sec-dataview.prototype.setuint16" title="DataView.prototype.setUint16 ( byteOffset, value [ , littleEndian ] )">25.3.4.25 DataView.prototype.setUint16 ( <var>byteOffset</var>, <var>value</var> [ , <var>littleEndian</var> ] )</a></li><li><a href="structured-data.html#sec-dataview.prototype.setuint32" title="DataView.prototype.setUint32 ( byteOffset, value [ , littleEndian ] )">25.3.4.26 DataView.prototype.setUint32 ( <var>byteOffset</var>, <var>value</var> [ , <var>littleEndian</var> ] )</a></li><li><a href="structured-data.html#sec-dataview.prototype-%symbol.tostringtag%" title="DataView.prototype [ %Symbol.toStringTag% ]">25.3.4.27 DataView.prototype [ %Symbol.toStringTag% ]</a></li></ol></li><li><a href="structured-data.html#sec-properties-of-dataview-instances" title="Properties of DataView Instances">25.3.5 Properties of DataView Instances</a></li></ol></li><li>+<a href="structured-data.html#sec-atomics-object" title="The Atomics Object">25.4 The Atomics Object</a><ol class="toc"><li><a href="structured-data.html#sec-waiter-record" title="Waiter Record">25.4.1 Waiter Record</a></li><li><a href="structured-data.html#sec-waiterlist-records" title="WaiterList Records">25.4.2 WaiterList Records</a></li><li>+<a href="structured-data.html#sec-abstract-operations-for-atomics" title="Abstract Operations for Atomics">25.4.3 Abstract Operations for Atomics</a><ol class="toc"><li><a href="structured-data.html#sec-validateintegertypedarray" title="ValidateIntegerTypedArray ( typedArray, waitable )">25.4.3.1 ValidateIntegerTypedArray ( <var>typedArray</var>, <var>waitable</var> )</a></li><li><a href="structured-data.html#sec-validateatomicaccess" title="ValidateAtomicAccess ( taRecord, requestIndex )">25.4.3.2 ValidateAtomicAccess ( <var>taRecord</var>, <var>requestIndex</var> )</a></li><li><a href="structured-data.html#sec-validateatomicaccessonintegertypedarray" title="ValidateAtomicAccessOnIntegerTypedArray ( typedArray, requestIndex [ , waitable ] )">25.4.3.3 ValidateAtomicAccessOnIntegerTypedArray ( <var>typedArray</var>, <var>requestIndex</var> [ , <var>waitable</var> ] )</a></li><li><a href="structured-data.html#sec-revalidateatomicaccess" title="RevalidateAtomicAccess ( typedArray, byteIndexInBuffer )">25.4.3.4 RevalidateAtomicAccess ( <var>typedArray</var>, <var>byteIndexInBuffer</var> )</a></li><li><a href="structured-data.html#sec-getwaiterlist" title="GetWaiterList ( block, i )">25.4.3.5 GetWaiterList ( <var>block</var>, <var>i</var> )</a></li><li><a href="structured-data.html#sec-entercriticalsection" title="EnterCriticalSection ( WL )">25.4.3.6 EnterCriticalSection ( <var>WL</var> )</a></li><li><a href="structured-data.html#sec-leavecriticalsection" title="LeaveCriticalSection ( WL )">25.4.3.7 LeaveCriticalSection ( <var>WL</var> )</a></li><li><a href="structured-data.html#sec-addwaiter" title="AddWaiter ( WL, waiterRecord )">25.4.3.8 AddWaiter ( <var>WL</var>, <var>waiterRecord</var> )</a></li><li><a href="structured-data.html#sec-removewaiter" title="RemoveWaiter ( WL, waiterRecord )">25.4.3.9 RemoveWaiter ( <var>WL</var>, <var>waiterRecord</var> )</a></li><li><a href="structured-data.html#sec-removewaiters" title="RemoveWaiters ( WL, c )">25.4.3.10 RemoveWaiters ( <var>WL</var>, <var>c</var> )</a></li><li><a href="structured-data.html#sec-suspendthisagent" title="SuspendThisAgent ( WL, waiterRecord )">25.4.3.11 SuspendThisAgent ( <var>WL</var>, <var>waiterRecord</var> )</a></li><li><a href="structured-data.html#sec-notifywaiter" title="NotifyWaiter ( WL, waiterRecord )">25.4.3.12 NotifyWaiter ( <var>WL</var>, <var>waiterRecord</var> )</a></li><li><a href="structured-data.html#sec-enqueueresolveinagentjob" title="EnqueueResolveInAgentJob ( agentSignifier, promiseCapability, resolution )">25.4.3.13 EnqueueResolveInAgentJob ( <var>agentSignifier</var>, <var>promiseCapability</var>, <var>resolution</var> )</a></li><li><a href="structured-data.html#sec-dowait" title="DoWait ( mode, typedArray, index, value, timeout )">25.4.3.14 DoWait ( <var>mode</var>, <var>typedArray</var>, <var>index</var>, <var>value</var>, <var>timeout</var> )</a></li><li><a href="structured-data.html#sec-enqueueatomicswaitasynctimeoutjob" title="EnqueueAtomicsWaitAsyncTimeoutJob ( WL, waiterRecord )">25.4.3.15 EnqueueAtomicsWaitAsyncTimeoutJob ( <var>WL</var>, <var>waiterRecord</var> )</a></li><li><a href="structured-data.html#sec-atomiccompareexchangeinsharedblock" title="AtomicCompareExchangeInSharedBlock ( block, byteIndexInBuffer, elementSize, expectedBytes, replacementBytes )">25.4.3.16 AtomicCompareExchangeInSharedBlock ( <var>block</var>, <var>byteIndexInBuffer</var>, <var>elementSize</var>, <var>expectedBytes</var>, <var>replacementBytes</var> )</a></li><li><a href="structured-data.html#sec-atomicreadmodifywrite" title="AtomicReadModifyWrite ( typedArray, index, value, op )">25.4.3.17 AtomicReadModifyWrite ( <var>typedArray</var>, <var>index</var>, <var>value</var>, <var>op</var> )</a></li><li><a href="structured-data.html#sec-bytelistbitwiseop" title="ByteListBitwiseOp ( op, xBytes, yBytes )">25.4.3.18 ByteListBitwiseOp ( <var>op</var>, <var>xBytes</var>, <var>yBytes</var> )</a></li><li><a href="structured-data.html#sec-bytelistequal" title="ByteListEqual ( xBytes, yBytes )">25.4.3.19 ByteListEqual ( <var>xBytes</var>, <var>yBytes</var> )</a></li></ol></li><li><a href="structured-data.html#sec-atomics.add" title="Atomics.add ( typedArray, index, value )">25.4.4 Atomics.add ( <var>typedArray</var>, <var>index</var>, <var>value</var> )</a></li><li><a href="structured-data.html#sec-atomics.and" title="Atomics.and ( typedArray, index, value )">25.4.5 Atomics.and ( <var>typedArray</var>, <var>index</var>, <var>value</var> )</a></li><li><a href="structured-data.html#sec-atomics.compareexchange" title="Atomics.compareExchange ( typedArray, index, expectedValue, replacementValue )">25.4.6 Atomics.compareExchange ( <var>typedArray</var>, <var>index</var>, <var>expectedValue</var>, <var>replacementValue</var> )</a></li><li><a href="structured-data.html#sec-atomics.exchange" title="Atomics.exchange ( typedArray, index, value )">25.4.7 Atomics.exchange ( <var>typedArray</var>, <var>index</var>, <var>value</var> )</a></li><li><a href="structured-data.html#sec-atomics.islockfree" title="Atomics.isLockFree ( size )">25.4.8 Atomics.isLockFree ( <var>size</var> )</a></li><li><a href="structured-data.html#sec-atomics.load" title="Atomics.load ( typedArray, index )">25.4.9 Atomics.load ( <var>typedArray</var>, <var>index</var> )</a></li><li><a href="structured-data.html#sec-atomics.or" title="Atomics.or ( typedArray, index, value )">25.4.10 Atomics.or ( <var>typedArray</var>, <var>index</var>, <var>value</var> )</a></li><li><a href="structured-data.html#sec-atomics.store" title="Atomics.store ( typedArray, index, value )">25.4.11 Atomics.store ( <var>typedArray</var>, <var>index</var>, <var>value</var> )</a></li><li><a href="structured-data.html#sec-atomics.sub" title="Atomics.sub ( typedArray, index, value )">25.4.12 Atomics.sub ( <var>typedArray</var>, <var>index</var>, <var>value</var> )</a></li><li><a href="structured-data.html#sec-atomics.wait" title="Atomics.wait ( typedArray, index, value, timeout )">25.4.13 Atomics.wait ( <var>typedArray</var>, <var>index</var>, <var>value</var>, <var>timeout</var> )</a></li><li><a href="structured-data.html#sec-atomics.waitasync" title="Atomics.waitAsync ( typedArray, index, value, timeout )">25.4.14 Atomics.waitAsync ( <var>typedArray</var>, <var>index</var>, <var>value</var>, <var>timeout</var> )</a></li><li><a href="structured-data.html#sec-atomics.notify" title="Atomics.notify ( typedArray, index, count )">25.4.15 Atomics.notify ( <var>typedArray</var>, <var>index</var>, <var>count</var> )</a></li><li><a href="structured-data.html#sec-atomics.xor" title="Atomics.xor ( typedArray, index, value )">25.4.16 Atomics.xor ( <var>typedArray</var>, <var>index</var>, <var>value</var> )</a></li><li><a href="structured-data.html#sec-atomics-%symbol.tostringtag%" title="Atomics [ %Symbol.toStringTag% ]">25.4.17 Atomics [ %Symbol.toStringTag% ]</a></li></ol></li><li>+<a href="structured-data.html#sec-json-object" title="The JSON Object">25.5 The JSON Object</a><ol class="toc"><li>+<a href="structured-data.html#sec-json.parse" title="JSON.parse ( text [ , reviver ] )">25.5.1 JSON.parse ( <var>text</var> [ , <var>reviver</var> ] )</a><ol class="toc"><li><a href="structured-data.html#sec-ParseJSON" title="ParseJSON ( text )">25.5.1.1 ParseJSON ( <var>text</var> )</a></li><li><a href="structured-data.html#sec-internalizejsonproperty" title="InternalizeJSONProperty ( holder, name, reviver )">25.5.1.2 InternalizeJSONProperty ( <var>holder</var>, <var>name</var>, <var>reviver</var> )</a></li></ol></li><li>+<a href="structured-data.html#sec-json.stringify" title="JSON.stringify ( value [ , replacer [ , space ] ] )">25.5.2 JSON.stringify ( <var>value</var> [ , <var>replacer</var> [ , <var>space</var> ] ] )</a><ol class="toc"><li><a href="structured-data.html#sec-json-serialization-record" title="JSON Serialization Record">25.5.2.1 JSON Serialization Record</a></li><li><a href="structured-data.html#sec-serializejsonproperty" title="SerializeJSONProperty ( state, key, holder )">25.5.2.2 SerializeJSONProperty ( <var>state</var>, <var>key</var>, <var>holder</var> )</a></li><li><a href="structured-data.html#sec-quotejsonstring" title="QuoteJSONString ( value )">25.5.2.3 QuoteJSONString ( <var>value</var> )</a></li><li><a href="structured-data.html#sec-unicodeescape" title="UnicodeEscape ( C )">25.5.2.4 UnicodeEscape ( <var>C</var> )</a></li><li><a href="structured-data.html#sec-serializejsonobject" title="SerializeJSONObject ( state, value )">25.5.2.5 SerializeJSONObject ( <var>state</var>, <var>value</var> )</a></li><li><a href="structured-data.html#sec-serializejsonarray" title="SerializeJSONArray ( state, value )">25.5.2.6 SerializeJSONArray ( <var>state</var>, <var>value</var> )</a></li></ol></li><li><a href="structured-data.html#sec-json-%symbol.tostringtag%" title="JSON [ %Symbol.toStringTag% ]">25.5.3 JSON [ %Symbol.toStringTag% ]</a></li></ol></li></ol></li><li>+<a href="managing-memory.html#sec-managing-memory" title="Managing Memory">26 Managing Memory</a><ol class="toc"><li>+<a href="managing-memory.html#sec-weak-ref-objects" title="WeakRef Objects">26.1 WeakRef Objects</a><ol class="toc"><li>+<a href="managing-memory.html#sec-weak-ref-constructor" title="The WeakRef Constructor">26.1.1 The WeakRef Constructor</a><ol class="toc"><li><a href="managing-memory.html#sec-weak-ref-target" title="WeakRef ( target )">26.1.1.1 WeakRef ( <var>target</var> )</a></li></ol></li><li>+<a href="managing-memory.html#sec-properties-of-the-weak-ref-constructor" title="Properties of the WeakRef Constructor">26.1.2 Properties of the WeakRef Constructor</a><ol class="toc"><li><a href="managing-memory.html#sec-weak-ref.prototype" title="WeakRef.prototype">26.1.2.1 WeakRef.prototype</a></li></ol></li><li>+<a href="managing-memory.html#sec-properties-of-the-weak-ref-prototype-object" title="Properties of the WeakRef Prototype Object">26.1.3 Properties of the WeakRef Prototype Object</a><ol class="toc"><li><a href="managing-memory.html#sec-weak-ref.prototype.constructor" title="WeakRef.prototype.constructor">26.1.3.1 WeakRef.prototype.constructor</a></li><li><a href="managing-memory.html#sec-weak-ref.prototype.deref" title="WeakRef.prototype.deref ( )">26.1.3.2 WeakRef.prototype.deref ( )</a></li><li><a href="managing-memory.html#sec-weak-ref.prototype-%symbol.tostringtag%" title="WeakRef.prototype [ %Symbol.toStringTag% ]">26.1.3.3 WeakRef.prototype [ %Symbol.toStringTag% ]</a></li></ol></li><li>+<a href="managing-memory.html#sec-weakref-abstract-operations" title="WeakRef Abstract Operations">26.1.4 WeakRef Abstract Operations</a><ol class="toc"><li><a href="managing-memory.html#sec-weakrefderef" title="WeakRefDeref ( weakRef )">26.1.4.1 WeakRefDeref ( <var>weakRef</var> )</a></li></ol></li><li><a href="managing-memory.html#sec-properties-of-weak-ref-instances" title="Properties of WeakRef Instances">26.1.5 Properties of WeakRef Instances</a></li></ol></li><li>+<a href="managing-memory.html#sec-finalization-registry-objects" title="FinalizationRegistry Objects">26.2 FinalizationRegistry Objects</a><ol class="toc"><li>+<a href="managing-memory.html#sec-finalization-registry-constructor" title="The FinalizationRegistry Constructor">26.2.1 The FinalizationRegistry Constructor</a><ol class="toc"><li><a href="managing-memory.html#sec-finalization-registry-cleanup-callback" title="FinalizationRegistry ( cleanupCallback )">26.2.1.1 FinalizationRegistry ( <var>cleanupCallback</var> )</a></li></ol></li><li>+<a href="managing-memory.html#sec-properties-of-the-finalization-registry-constructor" title="Properties of the FinalizationRegistry Constructor">26.2.2 Properties of the FinalizationRegistry Constructor</a><ol class="toc"><li><a href="managing-memory.html#sec-finalization-registry.prototype" title="FinalizationRegistry.prototype">26.2.2.1 FinalizationRegistry.prototype</a></li></ol></li><li>+<a href="managing-memory.html#sec-properties-of-the-finalization-registry-prototype-object" title="Properties of the FinalizationRegistry Prototype Object">26.2.3 Properties of the FinalizationRegistry Prototype Object</a><ol class="toc"><li><a href="managing-memory.html#sec-finalization-registry.prototype.constructor" title="FinalizationRegistry.prototype.constructor">26.2.3.1 FinalizationRegistry.prototype.constructor</a></li><li><a href="managing-memory.html#sec-finalization-registry.prototype.register" title="FinalizationRegistry.prototype.register ( target, heldValue [ , unregisterToken ] )">26.2.3.2 FinalizationRegistry.prototype.register ( <var>target</var>, <var>heldValue</var> [ , <var>unregisterToken</var> ] )</a></li><li><a href="managing-memory.html#sec-finalization-registry.prototype.unregister" title="FinalizationRegistry.prototype.unregister ( unregisterToken )">26.2.3.3 FinalizationRegistry.prototype.unregister ( <var>unregisterToken</var> )</a></li><li><a href="managing-memory.html#sec-finalization-registry.prototype-%symbol.tostringtag%" title="FinalizationRegistry.prototype [ %Symbol.toStringTag% ]">26.2.3.4 FinalizationRegistry.prototype [ %Symbol.toStringTag% ]</a></li></ol></li><li><a href="managing-memory.html#sec-properties-of-finalization-registry-instances" title="Properties of FinalizationRegistry Instances">26.2.4 Properties of FinalizationRegistry Instances</a></li></ol></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-control-abstraction-objects" title="Control Abstraction Objects">27 Control Abstraction Objects</a><ol class="toc"><li>+<a href="control-abstraction-objects.html#sec-iteration" title="Iteration">27.1 Iteration</a><ol class="toc"><li>+<a href="control-abstraction-objects.html#sec-common-iteration-interfaces" title="Common Iteration Interfaces">27.1.1 Common Iteration Interfaces</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-iterable-interface" title="The Iterable Interface">27.1.1.1 The Iterable Interface</a></li><li><a href="control-abstraction-objects.html#sec-iterator-interface" title="The Iterator Interface">27.1.1.2 The Iterator Interface</a></li><li><a href="control-abstraction-objects.html#sec-asynciterable-interface" title="The Async Iterable Interface">27.1.1.3 The Async Iterable Interface</a></li><li><a href="control-abstraction-objects.html#sec-asynciterator-interface" title="The Async Iterator Interface">27.1.1.4 The Async Iterator Interface</a></li><li><a href="control-abstraction-objects.html#sec-iteratorresult-interface" title="The IteratorResult Interface">27.1.1.5 The IteratorResult Interface</a></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-iterator-helper-objects" title="Iterator Helper Objects">27.1.2 Iterator Helper Objects</a><ol class="toc"><li>+<a href="control-abstraction-objects.html#sec-%iteratorhelperprototype%-object" title="The %IteratorHelperPrototype% Object">27.1.2.1 The %IteratorHelperPrototype% Object</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-%iteratorhelperprototype%.next" title="%IteratorHelperPrototype%.next ( )">27.1.2.1.1 %IteratorHelperPrototype%.next ( )</a></li><li><a href="control-abstraction-objects.html#sec-%iteratorhelperprototype%.return" title="%IteratorHelperPrototype%.return ( )">27.1.2.1.2 %IteratorHelperPrototype%.return ( )</a></li><li><a href="control-abstraction-objects.html#sec-%iteratorhelperprototype%-%symbol.tostringtag%" title="%IteratorHelperPrototype% [ %Symbol.toStringTag% ]">27.1.2.1.3 %IteratorHelperPrototype% [ %Symbol.toStringTag% ]</a></li></ol></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-iterator-objects" title="Iterator Objects">27.1.3 Iterator Objects</a><ol class="toc"><li>+<a href="control-abstraction-objects.html#sec-iterator-constructor" title="The Iterator Constructor">27.1.3.1 The Iterator Constructor</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-iterator" title="Iterator ( )">27.1.3.1.1 Iterator ( )</a></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-properties-of-the-iterator-constructor" title="Properties of the Iterator Constructor">27.1.3.2 Properties of the Iterator Constructor</a><ol class="toc"><li>+<a href="control-abstraction-objects.html#sec-iterator.from" title="Iterator.from ( O )">27.1.3.2.1 Iterator.from ( <var>O</var> )</a><ol class="toc"><li>+<a href="control-abstraction-objects.html#sec-%wrapforvaliditeratorprototype%-object" title="The %WrapForValidIteratorPrototype% Object">27.1.3.2.1.1 The %WrapForValidIteratorPrototype% Object</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-%wrapforvaliditeratorprototype%.next" title="%WrapForValidIteratorPrototype%.next ( )">27.1.3.2.1.1.1 %WrapForValidIteratorPrototype%.next ( )</a></li><li><a href="control-abstraction-objects.html#sec-%wrapforvaliditeratorprototype%.return" title="%WrapForValidIteratorPrototype%.return ( )">27.1.3.2.1.1.2 %WrapForValidIteratorPrototype%.return ( )</a></li></ol></li></ol></li><li><a href="control-abstraction-objects.html#sec-iterator.prototype" title="Iterator.prototype">27.1.3.2.2 Iterator.prototype</a></li></ol></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-%iterator.prototype%-object" title="The %Iterator.prototype% Object">27.1.4 The %Iterator.prototype% Object</a><ol class="toc"><li>+<a href="control-abstraction-objects.html#sec-iterator.prototype.constructor" title="Iterator.prototype.constructor">27.1.4.1 Iterator.prototype.constructor</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-get-iterator.prototype.constructor" title="get Iterator.prototype.constructor">27.1.4.1.1 get Iterator.prototype.constructor</a></li><li><a href="control-abstraction-objects.html#sec-set-iterator.prototype.constructor" title="set Iterator.prototype.constructor">27.1.4.1.2 set Iterator.prototype.constructor</a></li></ol></li><li><a href="control-abstraction-objects.html#sec-iterator.prototype.drop" title="Iterator.prototype.drop ( limit )">27.1.4.2 Iterator.prototype.drop ( <var>limit</var> )</a></li><li><a href="control-abstraction-objects.html#sec-iterator.prototype.every" title="Iterator.prototype.every ( predicate )">27.1.4.3 Iterator.prototype.every ( <var>predicate</var> )</a></li><li><a href="control-abstraction-objects.html#sec-iterator.prototype.filter" title="Iterator.prototype.filter ( predicate )">27.1.4.4 Iterator.prototype.filter ( <var>predicate</var> )</a></li><li><a href="control-abstraction-objects.html#sec-iterator.prototype.find" title="Iterator.prototype.find ( predicate )">27.1.4.5 Iterator.prototype.find ( <var>predicate</var> )</a></li><li><a href="control-abstraction-objects.html#sec-iterator.prototype.flatmap" title="Iterator.prototype.flatMap ( mapper )">27.1.4.6 Iterator.prototype.flatMap ( <var>mapper</var> )</a></li><li><a href="control-abstraction-objects.html#sec-iterator.prototype.foreach" title="Iterator.prototype.forEach ( procedure )">27.1.4.7 Iterator.prototype.forEach ( <var>procedure</var> )</a></li><li><a href="control-abstraction-objects.html#sec-iterator.prototype.map" title="Iterator.prototype.map ( mapper )">27.1.4.8 Iterator.prototype.map ( <var>mapper</var> )</a></li><li><a href="control-abstraction-objects.html#sec-iterator.prototype.reduce" title="Iterator.prototype.reduce ( reducer [ , initialValue ] )">27.1.4.9 Iterator.prototype.reduce ( <var>reducer</var> [ , <var>initialValue</var> ] )</a></li><li><a href="control-abstraction-objects.html#sec-iterator.prototype.some" title="Iterator.prototype.some ( predicate )">27.1.4.10 Iterator.prototype.some ( <var>predicate</var> )</a></li><li><a href="control-abstraction-objects.html#sec-iterator.prototype.take" title="Iterator.prototype.take ( limit )">27.1.4.11 Iterator.prototype.take ( <var>limit</var> )</a></li><li><a href="control-abstraction-objects.html#sec-iterator.prototype.toarray" title="Iterator.prototype.toArray ( )">27.1.4.12 Iterator.prototype.toArray ( )</a></li><li><a href="control-abstraction-objects.html#sec-iterator.prototype-%symbol.iterator%" title="Iterator.prototype [ %Symbol.iterator% ] ( )">27.1.4.13 Iterator.prototype [ %Symbol.iterator% ] ( )</a></li><li>+<a href="control-abstraction-objects.html#sec-iterator.prototype-%symbol.tostringtag%" title="Iterator.prototype [ %Symbol.toStringTag% ]">27.1.4.14 Iterator.prototype [ %Symbol.toStringTag% ]</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-get-iterator.prototype-%symbol.tostringtag%" title="get Iterator.prototype [ %Symbol.toStringTag% ]">27.1.4.14.1 get Iterator.prototype [ %Symbol.toStringTag% ]</a></li><li><a href="control-abstraction-objects.html#sec-set-iterator.prototype-%symbol.tostringtag%" title="set Iterator.prototype [ %Symbol.toStringTag% ]">27.1.4.14.2 set Iterator.prototype [ %Symbol.toStringTag% ]</a></li></ol></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-asynciteratorprototype" title="The %AsyncIteratorPrototype% Object">27.1.5 The %AsyncIteratorPrototype% Object</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-%asynciteratorprototype%-%symbol.asynciterator%" title="%AsyncIteratorPrototype% [ %Symbol.asyncIterator% ] ( )">27.1.5.1 %AsyncIteratorPrototype% [ %Symbol.asyncIterator% ] ( )</a></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-async-from-sync-iterator-objects" title="Async-from-Sync Iterator Objects">27.1.6 Async-from-Sync Iterator Objects</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-createasyncfromsynciterator" title="CreateAsyncFromSyncIterator ( syncIteratorRecord )">27.1.6.1 CreateAsyncFromSyncIterator ( <var>syncIteratorRecord</var> )</a></li><li>+<a href="control-abstraction-objects.html#sec-%asyncfromsynciteratorprototype%-object" title="The %AsyncFromSyncIteratorPrototype% Object">27.1.6.2 The %AsyncFromSyncIteratorPrototype% Object</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-%asyncfromsynciteratorprototype%.next" title="%AsyncFromSyncIteratorPrototype%.next ( [ value ] )">27.1.6.2.1 %AsyncFromSyncIteratorPrototype%.next ( [ <var>value</var> ] )</a></li><li><a href="control-abstraction-objects.html#sec-%asyncfromsynciteratorprototype%.return" title="%AsyncFromSyncIteratorPrototype%.return ( [ value ] )">27.1.6.2.2 %AsyncFromSyncIteratorPrototype%.return ( [ <var>value</var> ] )</a></li><li><a href="control-abstraction-objects.html#sec-%asyncfromsynciteratorprototype%.throw" title="%AsyncFromSyncIteratorPrototype%.throw ( [ value ] )">27.1.6.2.3 %AsyncFromSyncIteratorPrototype%.throw ( [ <var>value</var> ] )</a></li></ol></li><li><a href="control-abstraction-objects.html#sec-properties-of-async-from-sync-iterator-instances" title="Properties of Async-from-Sync Iterator Instances">27.1.6.3 Properties of Async-from-Sync Iterator Instances</a></li><li><a href="control-abstraction-objects.html#sec-asyncfromsynciteratorcontinuation" title="AsyncFromSyncIteratorContinuation ( result, promiseCapability, syncIteratorRecord, closeOnRejection )">27.1.6.4 AsyncFromSyncIteratorContinuation ( <var>result</var>, <var>promiseCapability</var>, <var>syncIteratorRecord</var>, <var>closeOnRejection</var> )</a></li></ol></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-promise-objects" title="Promise Objects">27.2 Promise Objects</a><ol class="toc"><li>+<a href="control-abstraction-objects.html#sec-promise-abstract-operations" title="Promise Abstract Operations">27.2.1 Promise Abstract Operations</a><ol class="toc"><li>+<a href="control-abstraction-objects.html#sec-promisecapability-records" title="PromiseCapability Records">27.2.1.1 PromiseCapability Records</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-ifabruptrejectpromise" title="IfAbruptRejectPromise ( value, capability )">27.2.1.1.1 IfAbruptRejectPromise ( <var>value</var>, <var>capability</var> )</a></li></ol></li><li><a href="control-abstraction-objects.html#sec-promisereaction-records" title="PromiseReaction Records">27.2.1.2 PromiseReaction Records</a></li><li>+<a href="control-abstraction-objects.html#sec-createresolvingfunctions" title="CreateResolvingFunctions ( promise )">27.2.1.3 CreateResolvingFunctions ( <var>promise</var> )</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-promise-reject-functions" title="Promise Reject Functions">27.2.1.3.1 Promise Reject Functions</a></li><li><a href="control-abstraction-objects.html#sec-promise-resolve-functions" title="Promise Resolve Functions">27.2.1.3.2 Promise Resolve Functions</a></li></ol></li><li><a href="control-abstraction-objects.html#sec-fulfillpromise" title="FulfillPromise ( promise, value )">27.2.1.4 FulfillPromise ( <var>promise</var>, <var>value</var> )</a></li><li><a href="control-abstraction-objects.html#sec-newpromisecapability" title="NewPromiseCapability ( C )">27.2.1.5 NewPromiseCapability ( <var>C</var> )</a></li><li><a href="control-abstraction-objects.html#sec-ispromise" title="IsPromise ( x )">27.2.1.6 IsPromise ( <var>x</var> )</a></li><li><a href="control-abstraction-objects.html#sec-rejectpromise" title="RejectPromise ( promise, reason )">27.2.1.7 RejectPromise ( <var>promise</var>, <var>reason</var> )</a></li><li><a href="control-abstraction-objects.html#sec-triggerpromisereactions" title="TriggerPromiseReactions ( reactions, argument )">27.2.1.8 TriggerPromiseReactions ( <var>reactions</var>, <var>argument</var> )</a></li><li><a href="control-abstraction-objects.html#sec-host-promise-rejection-tracker" title="HostPromiseRejectionTracker ( promise, operation )">27.2.1.9 HostPromiseRejectionTracker ( <var>promise</var>, <var>operation</var> )</a></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-promise-jobs" title="Promise Jobs">27.2.2 Promise Jobs</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-newpromisereactionjob" title="NewPromiseReactionJob ( reaction, argument )">27.2.2.1 NewPromiseReactionJob ( <var>reaction</var>, <var>argument</var> )</a></li><li><a href="control-abstraction-objects.html#sec-newpromiseresolvethenablejob" title="NewPromiseResolveThenableJob ( promiseToResolve, thenable, then )">27.2.2.2 NewPromiseResolveThenableJob ( <var>promiseToResolve</var>, <var>thenable</var>, <var>then</var> )</a></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-promise-constructor" title="The Promise Constructor">27.2.3 The Promise Constructor</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-promise-executor" title="Promise ( executor )">27.2.3.1 Promise ( <var>executor</var> )</a></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-properties-of-the-promise-constructor" title="Properties of the Promise Constructor">27.2.4 Properties of the Promise Constructor</a><ol class="toc"><li>+<a href="control-abstraction-objects.html#sec-promise.all" title="Promise.all ( iterable )">27.2.4.1 Promise.all ( <var>iterable</var> )</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-getpromiseresolve" title="GetPromiseResolve ( promiseConstructor )">27.2.4.1.1 GetPromiseResolve ( <var>promiseConstructor</var> )</a></li><li><a href="control-abstraction-objects.html#sec-performpromiseall" title="PerformPromiseAll ( iteratorRecord, constructor, resultCapability, promiseResolve )">27.2.4.1.2 PerformPromiseAll ( <var>iteratorRecord</var>, <var>constructor</var>, <var>resultCapability</var>, <var>promiseResolve</var> )</a></li><li><a href="control-abstraction-objects.html#sec-promise.all-resolve-element-functions" title="Promise.all Resolve Element Functions">27.2.4.1.3 <code>Promise.all</code> Resolve Element Functions</a></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-promise.allsettled" title="Promise.allSettled ( iterable )">27.2.4.2 Promise.allSettled ( <var>iterable</var> )</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-performpromiseallsettled" title="PerformPromiseAllSettled ( iteratorRecord, constructor, resultCapability, promiseResolve )">27.2.4.2.1 PerformPromiseAllSettled ( <var>iteratorRecord</var>, <var>constructor</var>, <var>resultCapability</var>, <var>promiseResolve</var> )</a></li><li><a href="control-abstraction-objects.html#sec-promise.allsettled-resolve-element-functions" title="Promise.allSettled Resolve Element Functions">27.2.4.2.2 <code>Promise.allSettled</code> Resolve Element Functions</a></li><li><a href="control-abstraction-objects.html#sec-promise.allsettled-reject-element-functions" title="Promise.allSettled Reject Element Functions">27.2.4.2.3 <code>Promise.allSettled</code> Reject Element Functions</a></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-promise.any" title="Promise.any ( iterable )">27.2.4.3 Promise.any ( <var>iterable</var> )</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-performpromiseany" title="PerformPromiseAny ( iteratorRecord, constructor, resultCapability, promiseResolve )">27.2.4.3.1 PerformPromiseAny ( <var>iteratorRecord</var>, <var>constructor</var>, <var>resultCapability</var>, <var>promiseResolve</var> )</a></li><li><a href="control-abstraction-objects.html#sec-promise.any-reject-element-functions" title="Promise.any Reject Element Functions">27.2.4.3.2 <code>Promise.any</code> Reject Element Functions</a></li></ol></li><li><a href="control-abstraction-objects.html#sec-promise.prototype" title="Promise.prototype">27.2.4.4 Promise.prototype</a></li><li>+<a href="control-abstraction-objects.html#sec-promise.race" title="Promise.race ( iterable )">27.2.4.5 Promise.race ( <var>iterable</var> )</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-performpromiserace" title="PerformPromiseRace ( iteratorRecord, constructor, resultCapability, promiseResolve )">27.2.4.5.1 PerformPromiseRace ( <var>iteratorRecord</var>, <var>constructor</var>, <var>resultCapability</var>, <var>promiseResolve</var> )</a></li></ol></li><li><a href="control-abstraction-objects.html#sec-promise.reject" title="Promise.reject ( r )">27.2.4.6 Promise.reject ( <var>r</var> )</a></li><li>+<a href="control-abstraction-objects.html#sec-promise.resolve" title="Promise.resolve ( x )">27.2.4.7 Promise.resolve ( <var>x</var> )</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-promise-resolve" title="PromiseResolve ( C, x )">27.2.4.7.1 PromiseResolve ( <var>C</var>, <var>x</var> )</a></li></ol></li><li><a href="control-abstraction-objects.html#sec-promise.try" title="Promise.try ( callback, ...args )">27.2.4.8 Promise.try ( <var>callback</var>, ...<var>args</var> )</a></li><li><a href="control-abstraction-objects.html#sec-promise.withResolvers" title="Promise.withResolvers ( )">27.2.4.9 Promise.withResolvers ( )</a></li><li><a href="control-abstraction-objects.html#sec-get-promise-%symbol.species%" title="get Promise [ %Symbol.species% ]">27.2.4.10 get Promise [ %Symbol.species% ]</a></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-properties-of-the-promise-prototype-object" title="Properties of the Promise Prototype Object">27.2.5 Properties of the Promise Prototype Object</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-promise.prototype.catch" title="Promise.prototype.catch ( onRejected )">27.2.5.1 Promise.prototype.catch ( <var>onRejected</var> )</a></li><li><a href="control-abstraction-objects.html#sec-promise.prototype.constructor" title="Promise.prototype.constructor">27.2.5.2 Promise.prototype.constructor</a></li><li><a href="control-abstraction-objects.html#sec-promise.prototype.finally" title="Promise.prototype.finally ( onFinally )">27.2.5.3 Promise.prototype.finally ( <var>onFinally</var> )</a></li><li>+<a href="control-abstraction-objects.html#sec-promise.prototype.then" title="Promise.prototype.then ( onFulfilled, onRejected )">27.2.5.4 Promise.prototype.then ( <var>onFulfilled</var>, <var>onRejected</var> )</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-performpromisethen" title="PerformPromiseThen ( promise, onFulfilled, onRejected [ , resultCapability ] )">27.2.5.4.1 PerformPromiseThen ( <var>promise</var>, <var>onFulfilled</var>, <var>onRejected</var> [ , <var>resultCapability</var> ] )</a></li></ol></li><li><a href="control-abstraction-objects.html#sec-promise.prototype-%symbol.tostringtag%" title="Promise.prototype [ %Symbol.toStringTag% ]">27.2.5.5 Promise.prototype [ %Symbol.toStringTag% ]</a></li></ol></li><li><a href="control-abstraction-objects.html#sec-properties-of-promise-instances" title="Properties of Promise Instances">27.2.6 Properties of Promise Instances</a></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-generatorfunction-objects" title="GeneratorFunction Objects">27.3 GeneratorFunction Objects</a><ol class="toc"><li>+<a href="control-abstraction-objects.html#sec-generatorfunction-constructor" title="The GeneratorFunction Constructor">27.3.1 The GeneratorFunction Constructor</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-generatorfunction" title="GeneratorFunction ( ...parameterArgs, bodyArg )">27.3.1.1 GeneratorFunction ( ...<var>parameterArgs</var>, <var>bodyArg</var> )</a></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-properties-of-the-generatorfunction-constructor" title="Properties of the GeneratorFunction Constructor">27.3.2 Properties of the GeneratorFunction Constructor</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-generatorfunction.prototype" title="GeneratorFunction.prototype">27.3.2.1 GeneratorFunction.prototype</a></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-properties-of-the-generatorfunction-prototype-object" title="Properties of the GeneratorFunction Prototype Object">27.3.3 Properties of the GeneratorFunction Prototype Object</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-generatorfunction.prototype.constructor" title="GeneratorFunction.prototype.constructor">27.3.3.1 GeneratorFunction.prototype.constructor</a></li><li><a href="control-abstraction-objects.html#sec-generatorfunction.prototype.prototype" title="GeneratorFunction.prototype.prototype">27.3.3.2 GeneratorFunction.prototype.prototype</a></li><li><a href="control-abstraction-objects.html#sec-generatorfunction.prototype-%symbol.tostringtag%" title="GeneratorFunction.prototype [ %Symbol.toStringTag% ]">27.3.3.3 GeneratorFunction.prototype [ %Symbol.toStringTag% ]</a></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-generatorfunction-instances" title="GeneratorFunction Instances">27.3.4 GeneratorFunction Instances</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-generatorfunction-instances-length" title="length">27.3.4.1 length</a></li><li><a href="control-abstraction-objects.html#sec-generatorfunction-instances-name" title="name">27.3.4.2 name</a></li><li><a href="control-abstraction-objects.html#sec-generatorfunction-instances-prototype" title="prototype">27.3.4.3 prototype</a></li></ol></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-asyncgeneratorfunction-objects" title="AsyncGeneratorFunction Objects">27.4 AsyncGeneratorFunction Objects</a><ol class="toc"><li>+<a href="control-abstraction-objects.html#sec-asyncgeneratorfunction-constructor" title="The AsyncGeneratorFunction Constructor">27.4.1 The AsyncGeneratorFunction Constructor</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-asyncgeneratorfunction" title="AsyncGeneratorFunction ( ...parameterArgs, bodyArg )">27.4.1.1 AsyncGeneratorFunction ( ...<var>parameterArgs</var>, <var>bodyArg</var> )</a></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-properties-of-asyncgeneratorfunction" title="Properties of the AsyncGeneratorFunction Constructor">27.4.2 Properties of the AsyncGeneratorFunction Constructor</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-asyncgeneratorfunction-prototype" title="AsyncGeneratorFunction.prototype">27.4.2.1 AsyncGeneratorFunction.prototype</a></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-properties-of-asyncgeneratorfunction-prototype" title="Properties of the AsyncGeneratorFunction Prototype Object">27.4.3 Properties of the AsyncGeneratorFunction Prototype Object</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-asyncgeneratorfunction-prototype-constructor" title="AsyncGeneratorFunction.prototype.constructor">27.4.3.1 AsyncGeneratorFunction.prototype.constructor</a></li><li><a href="control-abstraction-objects.html#sec-asyncgeneratorfunction-prototype-prototype" title="AsyncGeneratorFunction.prototype.prototype">27.4.3.2 AsyncGeneratorFunction.prototype.prototype</a></li><li><a href="control-abstraction-objects.html#sec-asyncgeneratorfunction-prototype-%symbol.tostringtag%" title="AsyncGeneratorFunction.prototype [ %Symbol.toStringTag% ]">27.4.3.3 AsyncGeneratorFunction.prototype [ %Symbol.toStringTag% ]</a></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-asyncgeneratorfunction-instances" title="AsyncGeneratorFunction Instances">27.4.4 AsyncGeneratorFunction Instances</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-asyncgeneratorfunction-instance-length" title="length">27.4.4.1 length</a></li><li><a href="control-abstraction-objects.html#sec-asyncgeneratorfunction-instance-name" title="name">27.4.4.2 name</a></li><li><a href="control-abstraction-objects.html#sec-asyncgeneratorfunction-instance-prototype" title="prototype">27.4.4.3 prototype</a></li></ol></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-generator-objects" title="Generator Objects">27.5 Generator Objects</a><ol class="toc"><li>+<a href="control-abstraction-objects.html#sec-properties-of-generator-prototype" title="The %GeneratorPrototype% Object">27.5.1 The %GeneratorPrototype% Object</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-generator.prototype.constructor" title="%GeneratorPrototype%.constructor">27.5.1.1 %GeneratorPrototype%.constructor</a></li><li><a href="control-abstraction-objects.html#sec-generator.prototype.next" title="%GeneratorPrototype%.next ( value )">27.5.1.2 %GeneratorPrototype%.next ( <var>value</var> )</a></li><li><a href="control-abstraction-objects.html#sec-generator.prototype.return" title="%GeneratorPrototype%.return ( value )">27.5.1.3 %GeneratorPrototype%.return ( <var>value</var> )</a></li><li><a href="control-abstraction-objects.html#sec-generator.prototype.throw" title="%GeneratorPrototype%.throw ( exception )">27.5.1.4 %GeneratorPrototype%.throw ( <var>exception</var> )</a></li><li><a href="control-abstraction-objects.html#sec-generator.prototype-%symbol.tostringtag%" title="%GeneratorPrototype% [ %Symbol.toStringTag% ]">27.5.1.5 %GeneratorPrototype% [ %Symbol.toStringTag% ]</a></li></ol></li><li><a href="control-abstraction-objects.html#sec-properties-of-generator-instances" title="Properties of Generator Instances">27.5.2 Properties of Generator Instances</a></li><li>+<a href="control-abstraction-objects.html#sec-generator-abstract-operations" title="Generator Abstract Operations">27.5.3 Generator Abstract Operations</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-generatorstart" title="GeneratorStart ( generator, generatorBody )">27.5.3.1 GeneratorStart ( <var>generator</var>, <var>generatorBody</var> )</a></li><li><a href="control-abstraction-objects.html#sec-generatorvalidate" title="GeneratorValidate ( generator, generatorBrand )">27.5.3.2 GeneratorValidate ( <var>generator</var>, <var>generatorBrand</var> )</a></li><li><a href="control-abstraction-objects.html#sec-generatorresume" title="GeneratorResume ( generator, value, generatorBrand )">27.5.3.3 GeneratorResume ( <var>generator</var>, <var>value</var>, <var>generatorBrand</var> )</a></li><li><a href="control-abstraction-objects.html#sec-generatorresumeabrupt" title="GeneratorResumeAbrupt ( generator, abruptCompletion, generatorBrand )">27.5.3.4 GeneratorResumeAbrupt ( <var>generator</var>, <var>abruptCompletion</var>, <var>generatorBrand</var> )</a></li><li><a href="control-abstraction-objects.html#sec-getgeneratorkind" title="GetGeneratorKind ( )">27.5.3.5 GetGeneratorKind ( )</a></li><li><a href="control-abstraction-objects.html#sec-generatoryield" title="GeneratorYield ( iteratorResult )">27.5.3.6 GeneratorYield ( <var>iteratorResult</var> )</a></li><li><a href="control-abstraction-objects.html#sec-yield" title="Yield ( value )">27.5.3.7 Yield ( <var>value</var> )</a></li><li><a href="control-abstraction-objects.html#sec-createiteratorfromclosure" title="CreateIteratorFromClosure ( closure, generatorBrand, generatorPrototype [ , extraSlots ] )">27.5.3.8 CreateIteratorFromClosure ( <var>closure</var>, <var>generatorBrand</var>, <var>generatorPrototype</var> [ , <var>extraSlots</var> ] )</a></li></ol></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-asyncgenerator-objects" title="AsyncGenerator Objects">27.6 AsyncGenerator Objects</a><ol class="toc"><li>+<a href="control-abstraction-objects.html#sec-properties-of-asyncgenerator-prototype" title="The %AsyncGeneratorPrototype% Object">27.6.1 The %AsyncGeneratorPrototype% Object</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-asyncgenerator-prototype-constructor" title="%AsyncGeneratorPrototype%.constructor">27.6.1.1 %AsyncGeneratorPrototype%.constructor</a></li><li><a href="control-abstraction-objects.html#sec-asyncgenerator-prototype-next" title="%AsyncGeneratorPrototype%.next ( value )">27.6.1.2 %AsyncGeneratorPrototype%.next ( <var>value</var> )</a></li><li><a href="control-abstraction-objects.html#sec-asyncgenerator-prototype-return" title="%AsyncGeneratorPrototype%.return ( value )">27.6.1.3 %AsyncGeneratorPrototype%.return ( <var>value</var> )</a></li><li><a href="control-abstraction-objects.html#sec-asyncgenerator-prototype-throw" title="%AsyncGeneratorPrototype%.throw ( exception )">27.6.1.4 %AsyncGeneratorPrototype%.throw ( <var>exception</var> )</a></li><li><a href="control-abstraction-objects.html#sec-asyncgenerator-prototype-%symbol.tostringtag%" title="%AsyncGeneratorPrototype% [ %Symbol.toStringTag% ]">27.6.1.5 %AsyncGeneratorPrototype% [ %Symbol.toStringTag% ]</a></li></ol></li><li><a href="control-abstraction-objects.html#sec-properties-of-asyncgenerator-intances" title="Properties of AsyncGenerator Instances">27.6.2 Properties of AsyncGenerator Instances</a></li><li>+<a href="control-abstraction-objects.html#sec-asyncgenerator-abstract-operations" title="AsyncGenerator Abstract Operations">27.6.3 AsyncGenerator Abstract Operations</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-asyncgeneratorrequest-records" title="AsyncGeneratorRequest Records">27.6.3.1 AsyncGeneratorRequest Records</a></li><li><a href="control-abstraction-objects.html#sec-asyncgeneratorstart" title="AsyncGeneratorStart ( generator, generatorBody )">27.6.3.2 AsyncGeneratorStart ( <var>generator</var>, <var>generatorBody</var> )</a></li><li><a href="control-abstraction-objects.html#sec-asyncgeneratorvalidate" title="AsyncGeneratorValidate ( generator, generatorBrand )">27.6.3.3 AsyncGeneratorValidate ( <var>generator</var>, <var>generatorBrand</var> )</a></li><li><a href="control-abstraction-objects.html#sec-asyncgeneratorenqueue" title="AsyncGeneratorEnqueue ( generator, completion, promiseCapability )">27.6.3.4 AsyncGeneratorEnqueue ( <var>generator</var>, <var>completion</var>, <var>promiseCapability</var> )</a></li><li><a href="control-abstraction-objects.html#sec-asyncgeneratorcompletestep" title="AsyncGeneratorCompleteStep ( generator, completion, done [ , realm ] )">27.6.3.5 AsyncGeneratorCompleteStep ( <var>generator</var>, <var>completion</var>, <var>done</var> [ , <var>realm</var> ] )</a></li><li><a href="control-abstraction-objects.html#sec-asyncgeneratorresume" title="AsyncGeneratorResume ( generator, completion )">27.6.3.6 AsyncGeneratorResume ( <var>generator</var>, <var>completion</var> )</a></li><li><a href="control-abstraction-objects.html#sec-asyncgeneratorunwrapyieldresumption" title="AsyncGeneratorUnwrapYieldResumption ( resumptionValue )">27.6.3.7 AsyncGeneratorUnwrapYieldResumption ( <var>resumptionValue</var> )</a></li><li><a href="control-abstraction-objects.html#sec-asyncgeneratoryield" title="AsyncGeneratorYield ( value )">27.6.3.8 AsyncGeneratorYield ( <var>value</var> )</a></li><li><a href="control-abstraction-objects.html#sec-asyncgeneratorawaitreturn" title="AsyncGeneratorAwaitReturn ( generator )">27.6.3.9 AsyncGeneratorAwaitReturn ( <var>generator</var> )</a></li><li><a href="control-abstraction-objects.html#sec-asyncgeneratordrainqueue" title="AsyncGeneratorDrainQueue ( generator )">27.6.3.10 AsyncGeneratorDrainQueue ( <var>generator</var> )</a></li><li><a href="control-abstraction-objects.html#sec-createasynciteratorfromclosure" title="CreateAsyncIteratorFromClosure ( closure, generatorBrand, generatorPrototype )">27.6.3.11 CreateAsyncIteratorFromClosure ( <var>closure</var>, <var>generatorBrand</var>, <var>generatorPrototype</var> )</a></li></ol></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-async-function-objects" title="AsyncFunction Objects">27.7 AsyncFunction Objects</a><ol class="toc"><li>+<a href="control-abstraction-objects.html#sec-async-function-constructor" title="The AsyncFunction Constructor">27.7.1 The AsyncFunction Constructor</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-async-function-constructor-arguments" title="AsyncFunction ( ...parameterArgs, bodyArg )">27.7.1.1 AsyncFunction ( ...<var>parameterArgs</var>, <var>bodyArg</var> )</a></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-async-function-constructor-properties" title="Properties of the AsyncFunction Constructor">27.7.2 Properties of the AsyncFunction Constructor</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-async-function-constructor-prototype" title="AsyncFunction.prototype">27.7.2.1 AsyncFunction.prototype</a></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-async-function-prototype-properties" title="Properties of the AsyncFunction Prototype Object">27.7.3 Properties of the AsyncFunction Prototype Object</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-async-function-prototype-properties-constructor" title="AsyncFunction.prototype.constructor">27.7.3.1 AsyncFunction.prototype.constructor</a></li><li><a href="control-abstraction-objects.html#sec-async-function-prototype-%symbol.tostringtag%" title="AsyncFunction.prototype [ %Symbol.toStringTag% ]">27.7.3.2 AsyncFunction.prototype [ %Symbol.toStringTag% ]</a></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-async-function-instances" title="AsyncFunction Instances">27.7.4 AsyncFunction Instances</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-async-function-instances-length" title="length">27.7.4.1 length</a></li><li><a href="control-abstraction-objects.html#sec-async-function-instances-name" title="name">27.7.4.2 name</a></li></ol></li><li>+<a href="control-abstraction-objects.html#sec-async-functions-abstract-operations" title="Async Functions Abstract Operations">27.7.5 Async Functions Abstract Operations</a><ol class="toc"><li><a href="control-abstraction-objects.html#sec-async-functions-abstract-operations-async-function-start" title="AsyncFunctionStart ( promiseCapability, asyncFunctionBody )">27.7.5.1 AsyncFunctionStart ( <var>promiseCapability</var>, <var>asyncFunctionBody</var> )</a></li><li><a href="control-abstraction-objects.html#sec-asyncblockstart" title="AsyncBlockStart ( promiseCapability, asyncBody, asyncContext )">27.7.5.2 AsyncBlockStart ( <var>promiseCapability</var>, <var>asyncBody</var>, <var>asyncContext</var> )</a></li><li><a href="control-abstraction-objects.html#await" title="Await ( value )">27.7.5.3 Await ( <var>value</var> )</a></li></ol></li></ol></li></ol></li><li>+<a href="reflection.html#sec-reflection" title="Reflection">28 Reflection</a><ol class="toc"><li>+<a href="reflection.html#sec-reflect-object" title="The Reflect Object">28.1 The Reflect Object</a><ol class="toc"><li><a href="reflection.html#sec-reflect.apply" title="Reflect.apply ( target, thisArgument, argumentsList )">28.1.1 Reflect.apply ( <var>target</var>, <var>thisArgument</var>, <var>argumentsList</var> )</a></li><li><a href="reflection.html#sec-reflect.construct" title="Reflect.construct ( target, argumentsList [ , newTarget ] )">28.1.2 Reflect.construct ( <var>target</var>, <var>argumentsList</var> [ , <var>newTarget</var> ] )</a></li><li><a href="reflection.html#sec-reflect.defineproperty" title="Reflect.defineProperty ( target, propertyKey, attributes )">28.1.3 Reflect.defineProperty ( <var>target</var>, <var>propertyKey</var>, <var>attributes</var> )</a></li><li><a href="reflection.html#sec-reflect.deleteproperty" title="Reflect.deleteProperty ( target, propertyKey )">28.1.4 Reflect.deleteProperty ( <var>target</var>, <var>propertyKey</var> )</a></li><li><a href="reflection.html#sec-reflect.get" title="Reflect.get ( target, propertyKey [ , receiver ] )">28.1.5 Reflect.get ( <var>target</var>, <var>propertyKey</var> [ , <var>receiver</var> ] )</a></li><li><a href="reflection.html#sec-reflect.getownpropertydescriptor" title="Reflect.getOwnPropertyDescriptor ( target, propertyKey )">28.1.6 Reflect.getOwnPropertyDescriptor ( <var>target</var>, <var>propertyKey</var> )</a></li><li><a href="reflection.html#sec-reflect.getprototypeof" title="Reflect.getPrototypeOf ( target )">28.1.7 Reflect.getPrototypeOf ( <var>target</var> )</a></li><li><a href="reflection.html#sec-reflect.has" title="Reflect.has ( target, propertyKey )">28.1.8 Reflect.has ( <var>target</var>, <var>propertyKey</var> )</a></li><li><a href="reflection.html#sec-reflect.isextensible" title="Reflect.isExtensible ( target )">28.1.9 Reflect.isExtensible ( <var>target</var> )</a></li><li><a href="reflection.html#sec-reflect.ownkeys" title="Reflect.ownKeys ( target )">28.1.10 Reflect.ownKeys ( <var>target</var> )</a></li><li><a href="reflection.html#sec-reflect.preventextensions" title="Reflect.preventExtensions ( target )">28.1.11 Reflect.preventExtensions ( <var>target</var> )</a></li><li><a href="reflection.html#sec-reflect.set" title="Reflect.set ( target, propertyKey, V [ , receiver ] )">28.1.12 Reflect.set ( <var>target</var>, <var>propertyKey</var>, <var>V</var> [ , <var>receiver</var> ] )</a></li><li><a href="reflection.html#sec-reflect.setprototypeof" title="Reflect.setPrototypeOf ( target, proto )">28.1.13 Reflect.setPrototypeOf ( <var>target</var>, <var>proto</var> )</a></li><li><a href="reflection.html#sec-reflect-%symbol.tostringtag%" title="Reflect [ %Symbol.toStringTag% ]">28.1.14 Reflect [ %Symbol.toStringTag% ]</a></li></ol></li><li>+<a href="reflection.html#sec-proxy-objects" title="Proxy Objects">28.2 Proxy Objects</a><ol class="toc"><li>+<a href="reflection.html#sec-proxy-constructor" title="The Proxy Constructor">28.2.1 The Proxy Constructor</a><ol class="toc"><li><a href="reflection.html#sec-proxy-target-handler" title="Proxy ( target, handler )">28.2.1.1 Proxy ( <var>target</var>, <var>handler</var> )</a></li></ol></li><li>+<a href="reflection.html#sec-properties-of-the-proxy-constructor" title="Properties of the Proxy Constructor">28.2.2 Properties of the Proxy Constructor</a><ol class="toc"><li><a href="reflection.html#sec-proxy.revocable" title="Proxy.revocable ( target, handler )">28.2.2.1 Proxy.revocable ( <var>target</var>, <var>handler</var> )</a></li></ol></li></ol></li><li>+<a href="reflection.html#sec-module-namespace-objects" title="Module Namespace Objects">28.3 Module Namespace Objects</a><ol class="toc"><li><a href="reflection.html#sec-%symbol.tostringtag%" title="%Symbol.toStringTag%">28.3.1 %Symbol.toStringTag%</a></li></ol></li></ol></li><li>+<a href="memory-model.html#sec-memory-model" title="Memory Model">29 Memory Model</a><ol class="toc"><li><a href="memory-model.html#sec-memory-model-fundamentals" title="Memory Model Fundamentals">29.1 Memory Model Fundamentals</a></li><li><a href="memory-model.html#sec-agent-event-records" title="Agent Events Records">29.2 Agent Events Records</a></li><li><a href="memory-model.html#sec-chosen-value-records" title="Chosen Value Records">29.3 Chosen Value Records</a></li><li><a href="memory-model.html#sec-candidate-executions" title="Candidate Executions">29.4 Candidate Executions</a></li><li>+<a href="memory-model.html#sec-abstract-operations-for-the-memory-model" title="Abstract Operations for the Memory Model">29.5 Abstract Operations for the Memory Model</a><ol class="toc"><li><a href="memory-model.html#sec-event-set" title="EventSet ( execution )">29.5.1 EventSet ( <var>execution</var> )</a></li><li><a href="memory-model.html#sec-sharedatablockeventset" title="SharedDataBlockEventSet ( execution )">29.5.2 SharedDataBlockEventSet ( <var>execution</var> )</a></li><li><a href="memory-model.html#sec-hosteventset" title="HostEventSet ( execution )">29.5.3 HostEventSet ( <var>execution</var> )</a></li><li><a href="memory-model.html#sec-composewriteeventbytes" title="ComposeWriteEventBytes ( execution, byteIndex, Ws )">29.5.4 ComposeWriteEventBytes ( <var>execution</var>, <var>byteIndex</var>, <var>Ws</var> )</a></li><li><a href="memory-model.html#sec-valueofreadevent" title="ValueOfReadEvent ( execution, R )">29.5.5 ValueOfReadEvent ( <var>execution</var>, <var>R</var> )</a></li></ol></li><li>+<a href="memory-model.html#sec-relations-of-candidate-executions" title="Relations of Candidate Executions">29.6 Relations of Candidate Executions</a><ol class="toc"><li><a href="memory-model.html#sec-agent-order" title="is-agent-order-before">29.6.1 is-agent-order-before</a></li><li><a href="memory-model.html#sec-reads-bytes-from" title="reads-bytes-from">29.6.2 reads-bytes-from</a></li><li><a href="memory-model.html#sec-reads-from" title="reads-from">29.6.3 reads-from</a></li><li><a href="memory-model.html#sec-host-synchronizes-with" title="host-synchronizes-with">29.6.4 host-synchronizes-with</a></li><li><a href="memory-model.html#sec-synchronizes-with" title="synchronizes-with">29.6.5 synchronizes-with</a></li><li><a href="memory-model.html#sec-happens-before" title="happens-before">29.6.6 happens-before</a></li></ol></li><li>+<a href="memory-model.html#sec-properties-of-valid-executions" title="Properties of Valid Executions">29.7 Properties of Valid Executions</a><ol class="toc"><li><a href="memory-model.html#sec-valid-chosen-reads" title="Valid Chosen Reads">29.7.1 Valid Chosen Reads</a></li><li><a href="memory-model.html#sec-coherent-reads" title="Coherent Reads">29.7.2 Coherent Reads</a></li><li><a href="memory-model.html#sec-tear-free-aligned-reads" title="Tear Free Reads">29.7.3 Tear Free Reads</a></li><li><a href="memory-model.html#sec-memory-order" title="Sequentially Consistent Atomics">29.7.4 Sequentially Consistent Atomics</a></li><li><a href="memory-model.html#sec-valid-executions" title="Valid Executions">29.7.5 Valid Executions</a></li></ol></li><li><a href="memory-model.html#sec-races" title="Races">29.8 Races</a></li><li><a href="memory-model.html#sec-data-races" title="Data Races">29.9 Data Races</a></li><li><a href="memory-model.html#sec-data-race-freedom" title="Data Race Freedom">29.10 Data Race Freedom</a></li><li><a href="memory-model.html#sec-shared-memory-guidelines" title="Shared Memory Guidelines">29.11 Shared Memory Guidelines</a></li></ol></li><li>+<a href="grammar-summary.html#sec-grammar-summary" title="Grammar Summary">Annex A (informative) Grammar Summary</a><ol class="toc"><li><a href="grammar-summary.html#sec-lexical-grammar" title="Lexical Grammar">A.1 Lexical Grammar</a></li><li><a href="grammar-summary.html#sec-expressions" title="Expressions">A.2 Expressions</a></li><li><a href="grammar-summary.html#sec-statements" title="Statements">A.3 Statements</a></li><li><a href="grammar-summary.html#sec-functions-and-classes" title="Functions and Classes">A.4 Functions and Classes</a></li><li><a href="grammar-summary.html#sec-scripts-and-modules" title="Scripts and Modules">A.5 Scripts and Modules</a></li><li><a href="grammar-summary.html#sec-number-conversions" title="Number Conversions">A.6 Number Conversions</a></li><li><a href="grammar-summary.html#sec-time-zone-offset-string-format" title="Time Zone Offset String Format">A.7 Time Zone Offset String Format</a></li><li><a href="grammar-summary.html#sec-regular-expressions" title="Regular Expressions">A.8 Regular Expressions</a></li></ol></li><li>+<a href="additional-ecmascript-features-for-web-browsers.html#sec-additional-ecmascript-features-for-web-browsers" title="Additional ECMAScript Features for Web Browsers">Annex B (normative) Additional ECMAScript Features for Web Browsers</a><ol class="toc"><li>+<a href="additional-ecmascript-features-for-web-browsers.html#sec-additional-syntax" title="Additional Syntax">B.1 Additional Syntax</a><ol class="toc"><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-html-like-comments" title="HTML-like Comments">B.1.1 HTML-like Comments</a></li><li>+<a href="additional-ecmascript-features-for-web-browsers.html#sec-regular-expressions-patterns" title="Regular Expressions Patterns">B.1.2 Regular Expressions Patterns</a><ol class="toc"><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-patterns-static-semantics-early-errors-annexb" title="Static Semantics: Early Errors">B.1.2.1 SS: Early Errors</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-countleftcapturingparens-annexb" title="Static Semantics: CountLeftCapturingParensWithin and CountLeftCapturingParensBefore">B.1.2.2 SS: CountLeftCapturingParensWithin and CountLeftCapturingParensBefore</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-patterns-static-semantics-is-character-class-annexb" title="Static Semantics: IsCharacterClass">B.1.2.3 SS: IsCharacterClass</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-patterns-static-semantics-character-value-annexb" title="Static Semantics: CharacterValue">B.1.2.4 SS: CharacterValue</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-compilesubpattern-annexb" title="Runtime Semantics: CompileSubpattern">B.1.2.5 RS: CompileSubpattern</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-compileassertion-annexb" title="Runtime Semantics: CompileAssertion">B.1.2.6 RS: CompileAssertion</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-compileatom-annexb" title="Runtime Semantics: CompileAtom">B.1.2.7 RS: CompileAtom</a></li><li>+<a href="additional-ecmascript-features-for-web-browsers.html#sec-compiletocharset-annexb" title="Runtime Semantics: CompileToCharSet">B.1.2.8 RS: CompileToCharSet</a><ol class="toc"><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-runtime-semantics-characterrangeorunion-abstract-operation" title="CharacterRangeOrUnion ( rer, A, B )">B.1.2.8.1 CharacterRangeOrUnion ( <var>rer</var>, <var>A</var>, <var>B</var> )</a></li></ol></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-parsepattern-annexb" title="Static Semantics: ParsePattern ( patternText, u, v )">B.1.2.9 SS: ParsePattern ( <var>patternText</var>, <var>u</var>, <var>v</var> )</a></li></ol></li></ol></li><li>+<a href="additional-ecmascript-features-for-web-browsers.html#sec-additional-built-in-properties" title="Additional Built-in Properties">B.2 Additional Built-in Properties</a><ol class="toc"><li>+<a href="additional-ecmascript-features-for-web-browsers.html#sec-additional-properties-of-the-global-object" title="Additional Properties of the Global Object">B.2.1 Additional Properties of the Global Object</a><ol class="toc"><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-escape-string" title="escape ( string )">B.2.1.1 escape ( <var>string</var> )</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-unescape-string" title="unescape ( string )">B.2.1.2 unescape ( <var>string</var> )</a></li></ol></li><li>+<a href="additional-ecmascript-features-for-web-browsers.html#sec-additional-properties-of-the-string.prototype-object" title="Additional Properties of the String.prototype Object">B.2.2 Additional Properties of the String.prototype Object</a><ol class="toc"><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-string.prototype.substr" title="String.prototype.substr ( start, length )">B.2.2.1 String.prototype.substr ( <var>start</var>, <var>length</var> )</a></li><li>+<a href="additional-ecmascript-features-for-web-browsers.html#sec-string.prototype.anchor" title="String.prototype.anchor ( name )">B.2.2.2 String.prototype.anchor ( <var>name</var> )</a><ol class="toc"><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-createhtml" title="CreateHTML ( string, tag, attribute, value )">B.2.2.2.1 CreateHTML ( <var>string</var>, <var>tag</var>, <var>attribute</var>, <var>value</var> )</a></li></ol></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-string.prototype.big" title="String.prototype.big ( )">B.2.2.3 String.prototype.big ( )</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-string.prototype.blink" title="String.prototype.blink ( )">B.2.2.4 String.prototype.blink ( )</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-string.prototype.bold" title="String.prototype.bold ( )">B.2.2.5 String.prototype.bold ( )</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-string.prototype.fixed" title="String.prototype.fixed ( )">B.2.2.6 String.prototype.fixed ( )</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-string.prototype.fontcolor" title="String.prototype.fontcolor ( colour )">B.2.2.7 String.prototype.fontcolor ( <var>colour</var> )</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-string.prototype.fontsize" title="String.prototype.fontsize ( size )">B.2.2.8 String.prototype.fontsize ( <var>size</var> )</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-string.prototype.italics" title="String.prototype.italics ( )">B.2.2.9 String.prototype.italics ( )</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-string.prototype.link" title="String.prototype.link ( url )">B.2.2.10 String.prototype.link ( <var>url</var> )</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-string.prototype.small" title="String.prototype.small ( )">B.2.2.11 String.prototype.small ( )</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-string.prototype.strike" title="String.prototype.strike ( )">B.2.2.12 String.prototype.strike ( )</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-string.prototype.sub" title="String.prototype.sub ( )">B.2.2.13 String.prototype.sub ( )</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-string.prototype.sup" title="String.prototype.sup ( )">B.2.2.14 String.prototype.sup ( )</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#String.prototype.trimleft" title="String.prototype.trimLeft ( )">B.2.2.15 String.prototype.trimLeft ( )</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#String.prototype.trimright" title="String.prototype.trimRight ( )">B.2.2.16 String.prototype.trimRight ( )</a></li></ol></li><li>+<a href="additional-ecmascript-features-for-web-browsers.html#sec-additional-properties-of-the-date.prototype-object" title="Additional Properties of the Date.prototype Object">B.2.3 Additional Properties of the Date.prototype Object</a><ol class="toc"><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-date.prototype.getyear" title="Date.prototype.getYear ( )">B.2.3.1 Date.prototype.getYear ( )</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-date.prototype.setyear" title="Date.prototype.setYear ( year )">B.2.3.2 Date.prototype.setYear ( <var>year</var> )</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-date.prototype.togmtstring" title="Date.prototype.toGMTString ( )">B.2.3.3 Date.prototype.toGMTString ( )</a></li></ol></li><li>+<a href="additional-ecmascript-features-for-web-browsers.html#sec-additional-properties-of-the-regexp.prototype-object" title="Additional Properties of the RegExp.prototype Object">B.2.4 Additional Properties of the RegExp.prototype Object</a><ol class="toc"><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-regexp.prototype.compile" title="RegExp.prototype.compile ( pattern, flags )">B.2.4.1 RegExp.prototype.compile ( <var>pattern</var>, <var>flags</var> )</a></li></ol></li></ol></li><li>+<a href="additional-ecmascript-features-for-web-browsers.html#sec-other-additional-features" title="Other Additional Features">B.3 Other Additional Features</a><ol class="toc"><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-labelled-function-declarations" title="Labelled Function Declarations">B.3.1 Labelled Function Declarations</a></li><li>+<a href="additional-ecmascript-features-for-web-browsers.html#sec-block-level-function-declarations-web-legacy-compatibility-semantics" title="Block-Level Function Declarations Web Legacy Compatibility Semantics">B.3.2 Block-Level Function Declarations Web Legacy Compatibility Semantics</a><ol class="toc"><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-web-compat-functiondeclarationinstantiation" title="Changes to FunctionDeclarationInstantiation">B.3.2.1 Changes to FunctionDeclarationInstantiation</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-web-compat-globaldeclarationinstantiation" title="Changes to GlobalDeclarationInstantiation">B.3.2.2 Changes to GlobalDeclarationInstantiation</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-web-compat-evaldeclarationinstantiation" title="Changes to EvalDeclarationInstantiation">B.3.2.3 Changes to EvalDeclarationInstantiation</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-block-duplicates-allowed-static-semantics" title="Changes to Block Static Semantics: Early Errors">B.3.2.4 Changes to Block SS: Early Errors</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-switch-duplicates-allowed-static-semantics" title="Changes to switch Statement Static Semantics: Early Errors">B.3.2.5 Changes to <code>switch</code> Statement SS: Early Errors</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-web-compat-blockdeclarationinstantiation" title="Changes to BlockDeclarationInstantiation">B.3.2.6 Changes to BlockDeclarationInstantiation</a></li></ol></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-functiondeclarations-in-ifstatement-statement-clauses" title="FunctionDeclarations in IfStatement Statement Clauses">B.3.3 FunctionDeclarations in IfStatement Statement Clauses</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-variablestatements-in-catch-blocks" title="VariableStatements in Catch Blocks">B.3.4 VariableStatements in Catch Blocks</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-initializers-in-forin-statement-heads" title="Initializers in ForIn Statement Heads">B.3.5 Initializers in ForIn Statement Heads</a></li><li>+<a href="additional-ecmascript-features-for-web-browsers.html#sec-IsHTMLDDA-internal-slot" title="The [[IsHTMLDDA]] Internal Slot">B.3.6 The <var class="field">[[IsHTMLDDA]]</var> Internal Slot</a><ol class="toc"><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-IsHTMLDDA-internal-slot-to-boolean" title="Changes to ToBoolean">B.3.6.1 Changes to ToBoolean</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-IsHTMLDDA-internal-slot-aec" title="Changes to IsLooselyEqual">B.3.6.2 Changes to IsLooselyEqual</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-IsHTMLDDA-internal-slot-typeof" title="Changes to the typeof Operator">B.3.6.3 Changes to the <code>typeof</code> Operator</a></li></ol></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-web-compat-host-make-job-callback" title="Non-default behaviour in HostMakeJobCallback">B.3.7 Non-default behaviour in HostMakeJobCallback</a></li><li><a href="additional-ecmascript-features-for-web-browsers.html#sec-web-compat-host-ensure-can-add-private-field" title="Non-default behaviour in HostEnsureCanAddPrivateElement">B.3.8 Non-default behaviour in HostEnsureCanAddPrivateElement</a></li></ol></li></ol></li><li><a href="strict-mode-of-ecmascript.html#sec-strict-mode-of-ecmascript" title="The Strict Mode of ECMAScript">Annex C (informative) The Strict Mode of ECMAScript</a></li><li>+<a href="host-layering-points.html#sec-host-layering-points" title="Host Layering Points">Annex D (informative) Host Layering Points</a><ol class="toc"><li><a href="host-layering-points.html#sec-host-hooks-summary" title="Host Hooks">D.1 Host Hooks</a></li><li><a href="host-layering-points.html#sec-host-defined-fields-summary" title="Host-defined Fields">D.2 Host-defined Fields</a></li><li><a href="host-layering-points.html#sec-host-defined-objects-summary" title="Host-defined Objects">D.3 Host-defined Objects</a></li><li><a href="host-layering-points.html#sec-host-running-jobs" title="Running Jobs">D.4 Running Jobs</a></li><li><a href="host-layering-points.html#sec-host-internal-methods-of-exotic-objects" title="Internal Methods of Exotic Objects">D.5 Internal Methods of Exotic Objects</a></li><li><a href="host-layering-points.html#sec-host-built-in-objects-and-methods" title="Built-in Objects and Methods">D.6 Built-in Objects and Methods</a></li></ol></li><li><a href="corrections-and-clarifications-in-ecmascript-2015-with-possible-compatibility-impact.html#sec-corrections-and-clarifications-in-ecmascript-2015-with-possible-compatibility-impact" title="Corrections and Clarifications in ECMAScript 2015 with Possible Compatibility Impact">Annex E (informative) Corrections and Clarifications in ECMAScript 2015 with Possible Compatibility Impact</a></li><li><a href="additions-and-changes-that-introduce-incompatibilities-with-prior-editions.html#sec-additions-and-changes-that-introduce-incompatibilities-with-prior-editions" title="Additions and Changes That Introduce Incompatibilities with Prior Editions">Annex F (informative) Additions and Changes That Introduce Incompatibilities with Prior Editions</a></li><li><a href="bibliography.html#sec-bibliography" title="Bibliography">Bibliography</a></li><li><a href="colophon.html#sec-colophon" title="Colophon">Colophon</a></li><li><a href="copyright-and-software-license.html#sec-copyright-and-software-license" title="Copyright & Software License">Copyright & Software License</a></li></ol></div></div> <div id="menu-spacer" class="menu-spacer"></div> <div id="menu-toggle"><svg xmlns="http://www.w3.org/2000/svg" style="width:100%; height:100%; stroke:currentColor" viewBox="0 0 120 120" width="54" height="54"> <title>Menu</title> <path stroke-width="10" stroke-linecap="round" d="M30,60 h60 M30,30 m0,5 h60 M30,90 m0,-5 h60"></path> </svg></div> <div id="shortcuts-help"> <ul> <li>Toggle shortcuts help<code>?</code></li> <li>Toggle "can call user code" annotations<code>u</code></li> <li>Navigate to/from multipage<code>m</code></li> <li>Jump to search box<code>/</code></li> <li>Toggle pinning of the current clause<code>p</code></li> <li>Jump to nth pin<code>1-9</code></li> </ul></div><div id='spec-container'><h1 class="version">Draft ECMA-262 / April 2, 2025</h1> <h1 class="title">ECMAScript® 2026 Language Specification</h1> <img src="../img/ecma-logo.svg" id="ecma-logo" alt="Ecma International logo"> <div id="metadata-block"> <h1>About this Specification</h1> The document at <a href="https://tc39.es/ecma262/">https://tc39.es/ecma262/</a> is the most accurate and up-to-date ECMAScript specification. It contains the content of the most recent yearly snapshot plus any <a href="https://github.com/tc39/proposals/blob/HEAD/finished-proposals.md">finished proposals</a> (those that have reached Stage 4 in the <a href="https://tc39.es/process-document/">proposal process</a> and thus are implemented in several implementations and will be in the next practical revision) since that snapshot was taken. This document is available as <a href="..">a single page</a> and as <a href="">multiple pages</a>. <h1>Contributing to this Specification</h1> This specification is developed on GitHub with the help of the ECMAScript community. There are a number of ways to contribute to the development of this specification: <ul> <li>GitHub Repository: <a href="https://github.com/tc39/ecma262">https://github.com/tc39/ecma262</a></li> <li>Issues: <a href="https://github.com/tc39/ecma262/issues">All Issues</a>, <a href="https://github.com/tc39/ecma262/issues/new">File a New Issue</a></li> <li>Pull Requests: <a href="https://github.com/tc39/ecma262/pulls">All Pull Requests</a>, <a href="https://github.com/tc39/ecma262/pulls/new">Create a New Pull Request</a></li> <li>Test Suite: <a href="https://github.com/tc39/test262">Test262</a></li> <li> Editors: <ul> <li><a href="mailto:syg at google dot com">Shu-yu Guo</a> (<a href="https://twitter.com/_shu">@_shu</a>)</li> <li><a href="mailto:ecma262-editor-list at michael dot ficarra dot me">Michael Ficarra</a> (<a href="https://twitter.com/smooshMap">@smooshMap</a>)</li> <li><a href="mailto:bakkot at gmail dot com">Kevin Gibbons</a> (<a href="https://twitter.com/bakkoting">@bakkoting</a>)</li> </ul> </li> <li> Community: <ul> <li>Discourse: <a href="https://es.discourse.group">https://es.discourse.group/</a></li> <li>Chat: <a href="https://github.com/tc39/how-we-work/blob/HEAD/matrix-guide.md">Matrix</a></li> <li>Mailing <emu-not-ref>List</emu-not-ref> Archives: <a href="https://esdiscuss.org">https://esdiscuss.org/</a></li> </ul> </li> </ul> Refer to the <emu-xref href="#sec-colophon" id="_ref_0"><a href="colophon.html#sec-colophon">colophon</a></emu-xref> for more information on how this document is created. </div> <emu-intro id="sec-intro"> <h1>Introduction</h1> This Ecma Standard defines the ECMAScript 2026 Language. It is the seventeenth edition of the ECMAScript Language Specification. Since publication of the first edition in 1997, ECMAScript has grown to be one of the world's most widely used general-purpose programming languages. It is best known as the language embedded in web browsers but has also been widely adopted for server and embedded applications. ECMAScript is based on several originating technologies, the most well-known being JavaScript (Netscape) and JScript (Microsoft). The language was invented by Brendan Eich at Netscape and first appeared in that company's Navigator 2.0 browser. It has appeared in all subsequent browsers from Netscape and in all browsers from Microsoft starting with Internet Explorer 3.0. The development of the ECMAScript Language Specification started in November 1996. The first edition of this Ecma Standard was adopted by the Ecma General Assembly of June 1997. That Ecma Standard was submitted to ISO/IEC JTC 1 for adoption under the fast-track procedure, and approved as international standard ISO/IEC 16262, in April 1998. The Ecma General Assembly of June 1998 approved the second edition of ECMA-262 to keep it fully aligned with ISO/IEC 16262. Changes between the first and the second edition are editorial in nature. The third edition of the Standard introduced powerful regular expressions, better string handling, new control statements, try/catch exception handling, tighter definition of errors, formatting for numeric output and minor changes in anticipation of future language growth. The third edition of the ECMAScript standard was adopted by the Ecma General Assembly of December 1999 and published as ISO/IEC 16262:2002 in June 2002. After publication of the third edition, ECMAScript achieved massive adoption in conjunction with the World Wide Web where it has become the programming language that is supported by essentially all web browsers. Significant work was done to develop a fourth edition of ECMAScript. However, that work was not completed and not published as the fourth edition of ECMAScript but some of it was incorporated into the development of the sixth edition. The fifth edition of ECMAScript (published as ECMA-262 5th edition) codified de facto interpretations of the language specification that have become common among browser implementations and added support for new features that had emerged since the publication of the third edition. Such features include <emu-xref href="#sec-object-type" id="_ref_987"><a href="ecmascript-data-types-and-values.html#sec-object-type">accessor properties</a></emu-xref>, reflective creation and inspection of objects, program control of property attributes, additional array manipulation functions, support for the JSON object encoding format, and a strict mode that provides enhanced error checking and program security. The fifth edition was adopted by the Ecma General Assembly of December 2009. The fifth edition was submitted to ISO/IEC JTC 1 for adoption under the fast-track procedure, and approved as international standard ISO/IEC 16262:2011. Edition 5.1 of the ECMAScript Standard incorporated minor corrections and is the same text as ISO/IEC 16262:2011. The 5.1 Edition was adopted by the Ecma General Assembly of June 2011. Focused development of the sixth edition started in 2009, as the fifth edition was being prepared for publication. However, this was preceded by significant experimentation and language enhancement design efforts dating to the publication of the third edition in 1999. In a very real sense, the completion of the sixth edition is the culmination of a fifteen year effort. The goals for this edition included providing better support for large applications, library creation, and for use of ECMAScript as a compilation target for other languages. Some of its major enhancements included modules, class declarations, lexical block scoping, <emu-xref href="#sec-iterator-interface" id="_ref_988"><a href="control-abstraction-objects.html#sec-iterator-interface">iterators</a></emu-xref> and generators, promises for asynchronous programming, destructuring patterns, and proper tail calls. The ECMAScript library of built-ins was expanded to support additional data abstractions including maps, sets, and arrays of binary numeric values as well as additional support for Unicode supplementary characters in strings and regular expressions. The built-ins were also made extensible via subclassing. The sixth edition provides the foundation for regular, incremental language and library enhancements. The sixth edition was adopted by the General Assembly of June 2015. ECMAScript 2016 was the first ECMAScript edition released under Ecma TC39's new yearly release cadence and open development process. A plain-text source document was built from the ECMAScript 2015 source document to serve as the base for further development entirely on GitHub. Over the year of this standard's development, hundreds of pull requests and issues were filed representing thousands of bug fixes, editorial fixes and other improvements. Additionally, numerous software tools were developed to aid in this effort including Ecmarkup, Ecmarkdown, and Grammarkdown. ES2016 also included support for a new exponentiation operator and adds a new method to <code>Array.prototype</code> called <code>includes</code>. ECMAScript 2017 introduced Async Functions, Shared Memory, and Atomics along with smaller language and library enhancements, bug fixes, and editorial updates. Async functions improve the asynchronous programming experience by providing syntax for promise-returning functions. Shared Memory and Atomics introduce a new <emu-xref href="#sec-memory-model" id="_ref_989"><a href="memory-model.html#sec-memory-model">memory model</a></emu-xref> that allows multi-<emu-xref href="#agent" id="_ref_990"><a href="executable-code-and-execution-contexts.html#agent">agent</a></emu-xref> programs to communicate using atomic operations that ensure a well-defined execution order even on parallel CPUs. It also included new static methods on Object: <code>Object.values</code>, <code>Object.entries</code>, and <code>Object.getOwnPropertyDescriptors</code>. ECMAScript 2018 introduced support for asynchronous iteration via the <emu-xref href="#sec-asynciterator-interface" id="_ref_991"><a href="control-abstraction-objects.html#sec-asynciterator-interface">async iterator</a></emu-xref> protocol and async generators. It also included four new regular expression features: the <code>dotAll</code> flag, named capture groups, Unicode property escapes, and look-behind assertions. Lastly it included object rest and spread properties. ECMAScript 2019 introduced a few new built-in functions: <code>flat</code> and <code>flatMap</code> on <code>Array.prototype</code> for flattening arrays, <code>Object.fromEntries</code> for directly turning the return value of <code>Object.entries</code> into a new Object, and <code>trimStart</code> and <code>trimEnd</code> on <code>String.prototype</code> as better-named alternatives to the widely implemented but non-standard <code>String.prototype.trimLeft</code> and <code>trimRight</code> built-ins. In addition, it included a few minor updates to syntax and semantics. Updated syntax included optional catch binding parameters and allowing U+2028 (LINE SEPARATOR) and U+2029 (PARAGRAPH SEPARATOR) in string literals to align with JSON. Other updates included requiring that <code>Array.prototype.sort</code> be a stable sort, requiring that <code>JSON.stringify</code> return well-formed UTF-8 regardless of input, and clarifying <code>Function.prototype.toString</code> by requiring that it either return the corresponding original source text or a standard placeholder. ECMAScript 2020, the 11th edition, introduced the <code>matchAll</code> method for Strings, to produce an <emu-xref href="#sec-iterator-interface" id="_ref_992"><a href="control-abstraction-objects.html#sec-iterator-interface">iterator</a></emu-xref> for all match objects generated by a global regular expression; <code>import()</code>, a syntax to asynchronously import Modules with a dynamic specifier; <code>BigInt</code>, a new number primitive for working with arbitrary precision <emu-xref href="#integer" id="_ref_993"><a href="notational-conventions.html#integer">integers</a></emu-xref>; <code>Promise.allSettled</code>, a new Promise combinator that does not short-circuit; <code>globalThis</code>, a universal way to access the global <code>this</code> value; dedicated <code>export * as ns from 'module'</code> syntax for use within modules; increased standardization of <code>for-in</code> enumeration order; <code>import.meta</code>, a <emu-xref href="#host" id="_ref_994"><a href="overview.html#host">host</a></emu-xref>-populated object available in Modules that may contain contextual information about the Module; as well as adding two new syntax features to improve working with “nullish” values (<emu-val>undefined</emu-val> or <emu-val>null</emu-val>): nullish coalescing, a value selection operator; and optional chaining, a property access and function invocation operator that short-circuits if the value to access/invoke is nullish. ECMAScript 2021, the 12th edition, introduced the <code>replaceAll</code> method for Strings; <code>Promise.any</code>, a Promise combinator that short-circuits when an input value is fulfilled; <code>AggregateError</code>, a new Error type to represent multiple errors at once; logical assignment operators (<code>??=</code>, <code>&&=</code>, <code>||=</code>); <code>WeakRef</code>, for referring to a target object without preserving it from garbage collection, and <code>FinalizationRegistry</code>, to manage registration and unregistration of cleanup operations performed when target objects are garbage collected; separators for numeric literals (<code>1_000</code>); and <code>Array.prototype.sort</code> was made more precise, reducing the amount of cases that result in an <emu-xref href="#implementation-defined" id="_ref_995"><a href="overview.html#implementation-defined">implementation-defined</a></emu-xref> <emu-xref href="#sort-order" id="_ref_996"><a href="indexed-collections.html#sort-order">sort order</a></emu-xref>. ECMAScript 2022, the 13th edition, introduced top-level <code>await</code>, allowing the <emu-xref href="#sec-keywords-and-reserved-words" id="_ref_997"><a href="ecmascript-language-lexical-grammar.html#sec-keywords-and-reserved-words">keyword</a></emu-xref> to be used at the top level of modules; new class elements: public and private instance fields, public and private static fields, private instance methods and accessors, and private static methods and accessors; static blocks inside classes, to perform per-class evaluation initialization; the <code>#x in obj</code> syntax, to test for presence of private fields on objects; regular expression match indices via the <code>/d</code> flag, which provides start and end indices for matched substrings; the <code>cause</code> property on <code>Error</code> objects, which can be used to record a causation chain in errors; the <code>at</code> method for Strings, Arrays, and <emu-xref href="#typedarray" id="_ref_998"><a href="ordinary-and-exotic-objects-behaviours.html#typedarray">TypedArrays</a></emu-xref>, which allows relative indexing; and <code>Object.hasOwn</code>, a convenient alternative to <code>Object.prototype.hasOwnProperty</code>. ECMAScript 2023, the 14th edition, introduced the <code>toSorted</code>, <code>toReversed</code>, <code>with</code>, <code>findLast</code>, and <code>findLastIndex</code> methods on <code>Array.prototype</code> and <code>TypedArray.prototype</code>, as well as the <code>toSpliced</code> method on <code>Array.prototype</code>; added support for <code>#!</code> comments at the beginning of files to better facilitate executable ECMAScript files; and allowed the use of most Symbols as keys in weak collections. ECMAScript 2024, the 15th edition, added facilities for resizing and transferring ArrayBuffers and SharedArrayBuffers; added a new RegExp <code>/v</code> flag for creating RegExps with more advanced features for working with sets of strings; and introduced the <code>Promise.withResolvers</code> convenience method for constructing Promises, the <code>Object.groupBy</code> and <code>Map.groupBy</code> methods for aggregating data, the <code>Atomics.waitAsync</code> method for asynchronously waiting for a change to shared memory, and the <code>String.prototype.isWellFormed</code> and <code>String.prototype.toWellFormed</code> methods for checking and ensuring that strings contain only well-formed Unicode. ECMAScript 2025, the 16th edition, added a new <code>Iterator</code> global with associated static and prototype methods for working with <emu-xref href="#sec-iterator-interface" id="_ref_999"><a href="control-abstraction-objects.html#sec-iterator-interface">iterators</a></emu-xref>; added methods to <code>Set.prototype</code> for performing common operations on Sets; added support for importing JSON modules as well as syntax for declaring attributes of imported modules; added the <code>RegExp.escape</code> method for escaping a string to be safely used in a regular expression; added syntax for enabling and disabling modifier flags inline within regular expressions; added the <code>Promise.try</code> method for calling functions which may or may not return a <code>Promise</code> and ensuring the result is always a <code>Promise</code>; and added a new <code>Float16Array</code> <emu-xref href="#typedarray" id="_ref_1000"><a href="ordinary-and-exotic-objects-behaviours.html#typedarray">TypedArray</a></emu-xref> kind as well as the related <code>DataView.prototype.getFloat16</code>, <code>DataView.prototype.setFloat16</code>, and <code>Math.f16round</code> methods. Dozens of individuals representing many organizations have made very significant contributions within Ecma TC39 to the development of this edition and to the prior editions. In addition, a vibrant community has emerged supporting TC39's ECMAScript efforts. This community has reviewed numerous drafts, filed thousands of bug reports, performed implementation experiments, contributed test suites, and educated the world-wide developer community about ECMAScript. Unfortunately, it is impossible to identify and acknowledge every person and organization who has contributed to this effort. Allen Wirfs-Brock ECMA-262, Project Editor, 6th Edition Brian Terlson ECMA-262, Project Editor, 7th through 10th Editions Jordan Harband ECMA-262, Project Editor, 10th through 12th Editions Shu-yu Guo ECMA-262, Project Editor, 12th through 16th Editions Michael Ficarra ECMA-262, Project Editor, 12th through 16th Editions Kevin Gibbons ECMA-262, Project Editor, 12th through 16th Editions </emu-intro></div></body>