CINXE.COM

<!doctype html><html lang="en-US" prefix="og: https://ogp.me/ns#"><head><meta charSet="utf-8"/><meta name="viewport" content="width=device-width,initial-scale=1"/><link rel="icon" href="https://developer.mozilla.org/favicon-48x48.bc390275e955dacb2e65.png"/><link rel="apple-touch-icon" href="https://developer.mozilla.org/apple-touch-icon.528534bba673c38049c2.png"/><meta name="theme-color" content="#ffffff"/><link rel="manifest" href="https://developer.mozilla.org/manifest.f42880861b394dd4dc9b.json"/><link rel="search" type="application/opensearchdescription+xml" href="/opensearch.xml" title="MDN Web Docs"/><title>caret (キャレット) - MDN Web Docs 用語集: ウェブ関連用語の定義 | MDN</title><link rel="alternate" title="Caret" href="https://developer.mozilla.org/de/docs/Glossary/Caret" hrefLang="de"/><link rel="alternate" title="Caret" href="https://developer.mozilla.org/en-US/docs/Glossary/Caret" hrefLang="en"/><link rel="alternate" title="Curseur "caret"" href="https://developer.mozilla.org/fr/docs/Glossary/Caret" hrefLang="fr"/><link rel="alternate" title="캐럿 (Caret)" href="https://developer.mozilla.org/ko/docs/Glossary/Caret" hrefLang="ko"/><link rel="alternate" title="caret" href="https://developer.mozilla.org/pt-BR/docs/Glossary/Caret" hrefLang="pt"/><link rel="alternate" title="插入符" href="https://developer.mozilla.org/zh-CN/docs/Glossary/Caret" hrefLang="zh"/><link rel="alternate" title="caret (キャレット)" href="https://developer.mozilla.org/ja/docs/Glossary/Caret" hrefLang="ja"/><link rel="preload" as="font" type="font/woff2" href="/static/media/Inter.var.c2fe3cb2b7c746f7966a.woff2" crossorigin=""/><link rel="alternate" type="application/rss+xml" title="MDN Blog RSS Feed" href="https://developer.mozilla.org/en-US/blog/rss.xml" hrefLang="en"/><meta name="description" content="キャレット (テキストカーソルとも呼ばれる) は、テキスト入力が挿入される場所を示すために画面に表示されるインジケーターです。ほとんどのユーザーインターフェイスは、細い縦線または点滅する文字サイズの四角形を使用してキャレットを表しますが、これはさまざまです。テキスト内のこの位置は挿入位置と呼ばれます。「キャレット」という単語は、テキストの挿入位置をマウスカーソル (マウスポインター) と区別するためのものです。"/><meta property="og:url" content="https://developer.mozilla.org/ja/docs/Glossary/Caret"/><meta property="og:title" content="caret (キャレット) - MDN Web Docs 用語集: ウェブ関連用語の定義 | MDN"/><meta property="og:type" content="website"/><meta property="og:locale" content="ja"/><meta property="og:description" content="キャレット (テキストカーソルとも呼ばれる) は、テキスト入力が挿入される場所を示すために画面に表示されるインジケーターです。ほとんどのユーザーインターフェイスは、細い縦線または点滅する文字サイズの四角形を使用してキャレットを表しますが、これはさまざまです。テキスト内のこの位置は挿入位置と呼ばれます。「キャレット」という単語は、テキストの挿入位置をマウスカーソル (マウスポインター) と区別するためのものです。"/><meta property="og:image" content="https://developer.mozilla.org/mdn-social-share.d893525a4fb5fb1f67a2.png"/><meta property="og:image:type" content="image/png"/><meta property="og:image:height" content="1080"/><meta property="og:image:width" content="1920"/><meta property="og:image:alt" content="The MDN Web Docs logo, featuring a blue accent color, displayed on a solid black background."/><meta property="og:site_name" content="MDN Web Docs"/><meta name="twitter:card" content="summary_large_image"/><meta name="twitter:creator" content="MozDevNet"/><link rel="canonical" href="https://developer.mozilla.org/ja/docs/Glossary/Caret"/><style media="print">.article-actions-container,.document-toc-container,.language-menu,.main-menu-toggle,.on-github,.page-footer,.place,.sidebar,.top-banner,.top-navigation-main,ul.prev-next{display:none!important}.main-page-content,.main-page-content pre{padding:2px}.main-page-content pre{border-left-width:2px}</style><script src="/static/js/gtag.js" defer=""></script><script defer="" src="/static/js/main.88773932.js"></script><link href="/static/css/main.dd166bd2.css" rel="stylesheet"/></head><body><script>if(document.body.addEventListener("load",(t=>{t.target.classList.contains("interactive")&&t.target.setAttribute("data-readystate","complete")}),{capture:!0}),window&&document.documentElement){const t={light:"#ffffff",dark:"#1b1b1b"};try{const e=window.localStorage.getItem("theme");e&&(document.documentElement.className=e,document.documentElement.style.backgroundColor=t[e]);const o=window.localStorage.getItem("nop");o&&(document.documentElement.dataset.nop=o)}catch(t){console.warn("Unable to read theme from localStorage",t)}}</script><div id="root"><ul id="nav-access" class="a11y-nav"><li><a id="skip-main" href="#content">Skip to main content</a></li><li><a id="skip-search" href="#top-nav-search-input">Skip to search</a></li><li><a id="skip-select-language" href="#languages-switcher-button">Skip to select language</a></li></ul><div class="page-wrapper document-page"><div class="top-banner loading"><section class="place top container"></section></div><div class="sticky-header-container"><header class="top-navigation "><div class="container "><div class="top-navigation-wrap"><a href="/ja/" class="logo" aria-label="MDN homepage"><svg id="mdn-docs-logo" xmlns="http://www.w3.org/2000/svg" x="0" y="0" viewBox="0 0 694.9 104.4" style="enable-background:new 0 0 694.9 104.4" xml:space="preserve" role="img"><title>MDN Web Docs</title><path d="M40.3 0 11.7 92.1H0L28.5 0h11.8zm10.4 0v92.1H40.3V0h10.4zM91 0 62.5 92.1H50.8L79.3 0H91zm10.4 0v92.1H91V0h10.4z" class="logo-m"></path><path d="M627.9 95.6h67v8.8h-67v-8.8z" class="logo-_"></path><path d="M367 42h-4l-10.7 30.8h-5.5l-10.8-26h-.4l-10.5 26h-5.2L308.7 42h-3.8v-5.6H323V42h-6.5l6.8 20.4h.4l10.3-26h4.7l11.2 26h.5l5.7-20.3h-6.2v-5.6H367V42zm34.9 20c-.4 3.2-2 5.9-4.7 8.2-2.8 2.3-6.5 3.4-11.3 3.4-5.4 0-9.7-1.6-13.1-4.7-3.3-3.2-5-7.7-5-13.7 0-5.7 1.6-10.3 4.7-14s7.4-5.5 12.9-5.5c5.1 0 9.1 1.6 11.9 4.7s4.3 6.9 4.3 11.3c0 1.5-.2 3-.5 4.7h-25.6c.3 7.7 4 11.6 10.9 11.6 2.9 0 5.1-.7 6.5-2 1.5-1.4 2.5-3 3-4.9l6 .9zM394 51.3c.2-2.4-.4-4.7-1.8-6.9s-3.8-3.3-7-3.3c-3.1 0-5.3 1-6.9 3-1.5 2-2.5 4.4-2.8 7.2H394zm51 2.4c0 5-1.3 9.5-4 13.7s-6.9 6.2-12.7 6.2c-6 0-10.3-2.2-12.7-6.7-.1.4-.2 1.4-.4 2.9s-.3 2.5-.4 2.9h-7.3c.3-1.7.6-3.5.8-5.3.3-1.8.4-3.7.4-5.5V22.3h-6v-5.6H416v27c1.1-2.2 2.7-4.1 4.7-5.7 2-1.6 4.8-2.4 8.4-2.4 4.6 0 8.4 1.6 11.4 4.7 3 3.2 4.5 7.6 4.5 13.4zm-7.7.6c0-4.2-1-7.4-3-9.5-2-2.2-4.4-3.3-7.4-3.3-3.4 0-6 1.2-8 3.7-1.9 2.4-2.9 5-3 7.7V57c0 3 1 5.6 3 7.7s4.5 3.1 7.6 3.1c3.6 0 6.3-1.3 8.1-3.9 1.8-2.7 2.7-5.9 2.7-9.6zm69.2 18.5h-13.2v-7.2c-1.2 2.2-2.8 4.1-4.9 5.6-2.1 1.6-4.8 2.4-8.3 2.4-4.8 0-8.7-1.6-11.6-4.9-2.9-3.2-4.3-7.7-4.3-13.3 0-5 1.3-9.6 4-13.7 2.6-4.1 6.9-6.2 12.8-6.2 5.7 0 9.8 2.2 12.3 6.5V22.3h-8.6v-5.6h15.8v50.6h6v5.5zM493.2 56v-4.4c-.1-3-1.2-5.5-3.2-7.3s-4.4-2.8-7.2-2.8c-3.6 0-6.3 1.3-8.2 3.9-1.9 2.6-2.8 5.8-2.8 9.6 0 4.1 1 7.3 3 9.5s4.5 3.3 7.4 3.3c3.2 0 5.8-1.3 7.8-3.8 2.1-2.6 3.1-5.3 3.2-8zm53.1-1.4c0 5.6-1.8 10.2-5.3 13.7s-8.2 5.3-13.9 5.3-10.1-1.7-13.4-5.1c-3.3-3.4-5-7.9-5-13.5 0-5.3 1.6-9.9 4.7-13.7 3.2-3.8 7.9-5.7 14.2-5.7s11 1.9 14.1 5.7c3 3.7 4.6 8.1 4.6 13.3zm-7.7-.2c0-4-1-7.2-3-9.5s-4.8-3.5-8.2-3.5c-3.6 0-6.4 1.2-8.3 3.7s-2.9 5.6-2.9 9.5c0 3.7.9 6.8 2.8 9.4 1.9 2.6 4.6 3.9 8.3 3.9 3.6 0 6.4-1.3 8.4-3.8 1.9-2.6 2.9-5.8 2.9-9.7zm45 5.8c-.4 3.2-1.9 6.3-4.4 9.1-2.5 2.9-6.4 4.3-11.8 4.3-5.2 0-9.4-1.6-12.6-4.8-3.2-3.2-4.8-7.7-4.8-13.7 0-5.5 1.6-10.1 4.7-13.9 3.2-3.8 7.6-5.7 13.2-5.7 2.3 0 4.6.3 6.7.8 2.2.5 4.2 1.5 6.2 2.9l1.5 9.5-5.9.7-1.3-6.1c-2.1-1.2-4.5-1.8-7.2-1.8-3.5 0-6.1 1.2-7.7 3.7-1.7 2.5-2.5 5.7-2.5 9.6 0 4.1.9 7.3 2.7 9.5 1.8 2.3 4.4 3.4 7.8 3.4 5.2 0 8.2-2.9 9.2-8.8l6.2 1.3zm34.7 1.9c0 3.6-1.5 6.5-4.6 8.5s-7 3-11.7 3c-5.7 0-10.6-1.2-14.6-3.6l1.2-8.8 5.7.6-.2 4.7c1.1.5 2.3.9 3.6 1.1s2.6.3 3.9.3c2.4 0 4.5-.4 6.5-1.3 1.9-.9 2.9-2.2 2.9-4.1 0-1.8-.8-3.1-2.3-3.8s-3.5-1.3-5.8-1.7-4.6-.9-6.9-1.4c-2.3-.6-4.2-1.6-5.7-2.9-1.6-1.4-2.3-3.5-2.3-6.3 0-4.1 1.5-6.9 4.6-8.5s6.4-2.4 9.9-2.4c2.6 0 5 .3 7.2.9 2.2.6 4.3 1.4 6.1 2.4l.8 8.8-5.8.7-.8-5.7c-2.3-1-4.7-1.6-7.2-1.6-2.1 0-3.7.4-5.1 1.1-1.3.8-2 2-2 3.8 0 1.7.8 2.9 2.3 3.6 1.5.7 3.4 1.2 5.7 1.6 2.2.4 4.5.8 6.7 1.4 2.2.6 4.1 1.6 5.7 3 1.4 1.6 2.2 3.7 2.2 6.6zM197.6 73.2h-17.1v-5.5h3.8V51.9c0-3.7-.7-6.3-2.1-7.9-1.4-1.6-3.3-2.3-5.7-2.3-3.2 0-5.6 1.1-7.2 3.4s-2.4 4.6-2.5 6.9v15.6h6v5.5h-17.1v-5.5h3.8V51.9c0-3.8-.7-6.4-2.1-7.9-1.4-1.5-3.3-2.3-5.6-2.3-3.2 0-5.5 1.1-7.2 3.3-1.6 2.2-2.4 4.5-2.5 6.9v15.8h6.9v5.5h-20.2v-5.5h6V42.4h-6.1v-5.6h13.4v6.4c1.2-2.1 2.7-3.8 4.7-5.2 2-1.3 4.4-2 7.3-2s5.3.7 7.5 2.1c2.2 1.4 3.7 3.5 4.5 6.4 1.1-2.5 2.7-4.5 4.9-6.1s4.8-2.4 7.9-2.4c3.5 0 6.5 1.1 8.9 3.3s3.7 5.6 3.7 10.2v18.2h6.1v5.5zm42.5 0h-13.2V66c-1.2 2.2-2.8 4.1-4.9 5.6-2.1 1.6-4.8 2.4-8.3 2.4-4.8 0-8.7-1.6-11.6-4.9-2.9-3.2-4.3-7.7-4.3-13.3 0-5 1.3-9.6 4-13.7 2.6-4.1 6.9-6.2 12.8-6.2s9.8 2.2 12.3 6.5V22.7h-8.6v-5.6h15.8v50.6h6v5.5zm-13.3-16.8V52c-.1-3-1.2-5.5-3.2-7.3s-4.4-2.8-7.2-2.8c-3.6 0-6.3 1.3-8.2 3.9-1.9 2.6-2.8 5.8-2.8 9.6 0 4.1 1 7.3 3 9.5s4.5 3.3 7.4 3.3c3.2 0 5.8-1.3 7.8-3.8 2.1-2.6 3.1-5.3 3.2-8zm61.5 16.8H269v-5.5h6V51.9c0-3.7-.7-6.3-2.2-7.9-1.4-1.6-3.4-2.3-5.7-2.3-3.1 0-5.6 1-7.4 3s-2.8 4.4-2.9 7v15.9h6v5.5h-19.3v-5.5h6V42.4h-6.2v-5.6h13.6V43c2.6-4.6 6.8-6.9 12.7-6.9 3.6 0 6.7 1.1 9.2 3.3s3.7 5.6 3.7 10.2v18.2h6v5.4h-.2z" class="logo-text"></path></svg></a><button title="Open main menu" type="button" class="button action has-icon main-menu-toggle" aria-haspopup="menu" aria-label="Open main menu" aria-expanded="false"><span class="button-wrap"><span class="icon icon-menu "></span><span class="visually-hidden">Open main menu</span></span></button></div><div class="top-navigation-main"><nav class="main-nav" aria-label="Main menu"><ul class="main-menu nojs"><li class="top-level-entry-container "><button type="button" id="references-button" class="top-level-entry menu-toggle" aria-controls="references-menu" aria-expanded="false">References</button><a href="/ja/docs/Web" class="top-level-entry">References</a><ul id="references-menu" class="submenu references hidden inline-submenu-lg" aria-labelledby="references-button"><li class="apis-link-container mobile-only "><a href="/ja/docs/Web" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Overview / Web Technology</div><p class="submenu-item-description">Web technology reference for developers</p></div></a></li><li class="html-link-container "><a href="/ja/docs/Web/HTML" class="submenu-item "><div class="submenu-icon html"></div><div class="submenu-content-container"><div class="submenu-item-heading">HTML</div><p class="submenu-item-description">Structure of content on the web</p></div></a></li><li class="css-link-container "><a href="/ja/docs/Web/CSS" class="submenu-item "><div class="submenu-icon css"></div><div class="submenu-content-container"><div class="submenu-item-heading">CSS</div><p class="submenu-item-description">Code used to describe document style</p></div></a></li><li class="javascript-link-container "><a href="/ja/docs/Web/JavaScript" class="submenu-item "><div class="submenu-icon javascript"></div><div class="submenu-content-container"><div class="submenu-item-heading">JavaScript</div><p class="submenu-item-description">General-purpose scripting language</p></div></a></li><li class="http-link-container "><a href="/ja/docs/Web/HTTP" class="submenu-item "><div class="submenu-icon http"></div><div class="submenu-content-container"><div class="submenu-item-heading">HTTP</div><p class="submenu-item-description">Protocol for transmitting web resources</p></div></a></li><li class="apis-link-container "><a href="/ja/docs/Web/API" class="submenu-item "><div class="submenu-icon apis"></div><div class="submenu-content-container"><div class="submenu-item-heading">Web APIs</div><p class="submenu-item-description">Interfaces for building web applications</p></div></a></li><li class="apis-link-container "><a href="/ja/docs/Mozilla/Add-ons/WebExtensions" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Web Extensions</div><p class="submenu-item-description">Developing extensions for web browsers</p></div></a></li><li class="apis-link-container desktop-only "><a href="/ja/docs/Web" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Web Technology</div><p class="submenu-item-description">Web technology reference for developers</p></div></a></li></ul></li><li class="top-level-entry-container "><button type="button" id="guides-button" class="top-level-entry menu-toggle" aria-controls="guides-menu" aria-expanded="false">Guides</button><a href="/ja/docs/Learn" class="top-level-entry">Guides</a><ul id="guides-menu" class="submenu guides hidden inline-submenu-lg" aria-labelledby="guides-button"><li class="apis-link-container mobile-only "><a href="/ja/docs/Learn" class="submenu-item "><div class="submenu-icon learn"></div><div class="submenu-content-container"><div class="submenu-item-heading">Overview / MDN Learning Area</div><p class="submenu-item-description">Learn web development</p></div></a></li><li class="apis-link-container desktop-only "><a href="/ja/docs/Learn" class="submenu-item "><div class="submenu-icon learn"></div><div class="submenu-content-container"><div class="submenu-item-heading">MDN Learning Area</div><p class="submenu-item-description">Learn web development</p></div></a></li><li class="html-link-container "><a href="/ja/docs/Learn/HTML" class="submenu-item "><div class="submenu-icon html"></div><div class="submenu-content-container"><div class="submenu-item-heading">HTML</div><p class="submenu-item-description">Learn to structure web content with HTML</p></div></a></li><li class="css-link-container "><a href="/ja/docs/Learn/CSS" class="submenu-item "><div class="submenu-icon css"></div><div class="submenu-content-container"><div class="submenu-item-heading">CSS</div><p class="submenu-item-description">Learn to style content using CSS</p></div></a></li><li class="javascript-link-container "><a href="/ja/docs/Learn/JavaScript" class="submenu-item "><div class="submenu-icon javascript"></div><div class="submenu-content-container"><div class="submenu-item-heading">JavaScript</div><p class="submenu-item-description">Learn to run scripts in the browser</p></div></a></li><li class=" "><a href="/ja/docs/Web/Accessibility" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Accessibility</div><p class="submenu-item-description">Learn to make the web accessible to all</p></div></a></li></ul></li><li class="top-level-entry-container "><button type="button" id="mdn-plus-button" class="top-level-entry menu-toggle" aria-controls="mdn-plus-menu" aria-expanded="false">Plus</button><a href="/ja/plus" class="top-level-entry">Plus</a><ul id="mdn-plus-menu" class="submenu mdn-plus hidden inline-submenu-lg" aria-labelledby="mdn-plus-button"><li class=" "><a href="/ja/plus" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Overview</div><p class="submenu-item-description">A customized MDN experience</p></div></a></li><li class=" "><a href="/ja/plus/ai-help" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">AI Help</div><p class="submenu-item-description">Get real-time assistance and support</p></div></a></li><li class=" "><a href="/ja/plus/updates" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Updates</div><p class="submenu-item-description">All browser compatibility updates at a glance</p></div></a></li><li class=" "><a href="/en-US/plus/docs/features/overview" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Documentation</div><p class="submenu-item-description">Learn how to use MDN Plus</p></div></a></li><li class=" "><a href="/en-US/plus/docs/faq" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">FAQ</div><p class="submenu-item-description">Frequently asked questions about MDN Plus</p></div></a></li></ul></li><li class="top-level-entry-container "><a class="top-level-entry menu-link" href="/en-US/curriculum/">Curriculum <sup class="new">New</sup></a></li><li class="top-level-entry-container "><a class="top-level-entry menu-link" href="/en-US/blog/">Blog</a></li><li class="top-level-entry-container "><button type="button" id="tools-button" class="top-level-entry menu-toggle" aria-controls="tools-menu" aria-expanded="false">Tools</button><ul id="tools-menu" class="submenu tools hidden inline-submenu-lg" aria-labelledby="tools-button"><li class=" "><a href="/ja/play" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Playground</div><p class="submenu-item-description">Write, test and share your code</p></div></a></li><li class=" "><a href="/en-US/observatory" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">HTTP Observatory</div><p class="submenu-item-description">Scan a website for free</p></div></a></li><li class=" "><a href="/en-US/plus/ai-help" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">AI Help</div><p class="submenu-item-description">Get real-time assistance and support</p></div></a></li></ul></li></ul></nav><div class="header-search"><form action="/ja/search" class="search-form search-widget" id="top-nav-search-form" role="search"><label id="top-nav-search-label" for="top-nav-search-input" class="visually-hidden">Search MDN</label><input aria-activedescendant="" aria-autocomplete="list" aria-controls="top-nav-search-menu" aria-expanded="false" aria-labelledby="top-nav-search-label" autoComplete="off" id="top-nav-search-input" role="combobox" type="search" class="search-input-field" name="q" placeholder=" " required="" value=""/><button type="button" class="button action has-icon clear-search-button"><span class="button-wrap"><span class="icon icon-cancel "></span><span class="visually-hidden">Clear search input</span></span></button><button type="submit" class="button action has-icon search-button"><span class="button-wrap"><span class="icon icon-search "></span><span class="visually-hidden">Search</span></span></button><div id="top-nav-search-menu" role="listbox" aria-labelledby="top-nav-search-label"></div></form></div><div class="theme-switcher-menu"><button type="button" class="button action has-icon theme-switcher-menu small" aria-haspopup="menu"><span class="button-wrap"><span class="icon icon-theme-os-default "></span>Theme</span></button></div><ul class="auth-container"><li><a href="/users/fxa/login/authenticate/?next=%2Fja%2Fdocs%2FGlossary%2FCaret" class="login-link" rel="nofollow">Log in</a></li><li><a href="/users/fxa/login/authenticate/?next=%2Fja%2Fdocs%2FGlossary%2FCaret" target="_self" rel="nofollow" class="button primary mdn-plus-subscribe-link"><span class="button-wrap">Sign up for free</span></a></li></ul></div></div></header><div class="article-actions-container"><div class="container"><button type="button" class="button action has-icon sidebar-button" aria-label="Expand sidebar" aria-expanded="false" aria-controls="sidebar-quicklinks"><span class="button-wrap"><span class="icon icon-sidebar "></span></span></button><nav class="breadcrumbs-container" aria-label="Breadcrumb"><ol typeof="BreadcrumbList" vocab="https://schema.org/" aria-label="breadcrumbs"><li property="itemListElement" typeof="ListItem"><a href="/ja/docs/Glossary" class="breadcrumb" property="item" typeof="WebPage"><span property="name">MDN Web Docs 用語集</span></a><meta property="position" content="1"/></li><li property="itemListElement" typeof="ListItem"><a href="/ja/docs/Glossary/Caret" class="breadcrumb-current-page" property="item" typeof="WebPage"><span property="name">caret (キャレット)</span></a><meta property="position" content="2"/></li></ol></nav><div class="article-actions"><button type="button" class="button action has-icon article-actions-toggle" aria-label="Article actions"><span class="button-wrap"><span class="icon icon-ellipses "></span><span class="article-actions-dialog-heading">Article Actions</span></span></button><ul class="article-actions-entries"><li class="article-actions-entry"><div class="languages-switcher-menu open-on-focus-within"><button id="languages-switcher-button" type="button" class="button action small has-icon languages-switcher-menu" aria-haspopup="menu"><span class="button-wrap"><span class="icon icon-language "></span>日本語</span></button><div class="hidden"><ul class="submenu language-menu " aria-labelledby="language-menu-button"><li class=" "><form class="submenu-item locale-redirect-setting"><div class="group"><label class="switch"><input type="checkbox" name="locale-redirect"/><span class="slider"></span><span class="label">Remember language</span></label><a href="https://github.com/orgs/mdn/discussions/739" rel="external noopener noreferrer" target="_blank" title="Enable this setting to automatically switch to this language when it's available. (Click to learn more.)"><span class="icon icon-question-mark "></span></a></div></form></li><li class=" "><a data-locale="de" href="/de/docs/Glossary/Caret" class="button submenu-item"><span>Deutsch</span><span title="Diese Übersetzung ist Teil eines Experiments."><span class="icon icon-experimental "></span></span></a></li><li class=" "><a data-locale="en-US" href="/en-US/docs/Glossary/Caret" class="button submenu-item"><span>English (US)</span></a></li><li class=" "><a data-locale="fr" href="/fr/docs/Glossary/Caret" class="button submenu-item"><span>Français</span></a></li><li class=" "><a data-locale="ko" href="/ko/docs/Glossary/Caret" class="button submenu-item"><span>한국어</span></a></li><li class=" "><a data-locale="pt-BR" href="/pt-BR/docs/Glossary/Caret" class="button submenu-item"><span>Português (do Brasil)</span></a></li><li class=" "><a data-locale="zh-CN" href="/zh-CN/docs/Glossary/Caret" class="button submenu-item"><span>中文 (简体)</span></a></li></ul></div></div></li></ul></div></div></div></div><div class="container"><div class="notecard localized-content-note"><p><a href="/ja/docs/MDN/Community/Contributing/Translated_content#アクティブなロケール">このページはコミュニティーの尽力で英語から翻訳されました。MDN Web Docs コミュニティーについてもっと知り、仲間になるにはこちらから。</a></p></div></div><div class="main-wrapper"><div class="sidebar-container"><aside id="sidebar-quicklinks" class="sidebar" data-macro="GlossarySidebar"><button type="button" class="button action backdrop" aria-label="Collapse sidebar"><span class="button-wrap"></span></button><nav aria-label="Related Topics" class="sidebar-inner"><header class="sidebar-actions"><section class="sidebar-filter-container"><div class="sidebar-filter "><label id="sidebar-filter-label" class="sidebar-filter-label" for="sidebar-filter-input"><span class="icon icon-filter"></span><span class="visually-hidden">Filter sidebar</span></label><input id="sidebar-filter-input" autoComplete="off" class="sidebar-filter-input-field false" type="text" placeholder="Filter" value=""/><button type="button" class="button action has-icon clear-sidebar-filter-button"><span class="button-wrap"><span class="icon icon-cancel "></span><span class="visually-hidden">Clear filter input</span></span></button></div></section></header><div class="sidebar-inner-nav"><div class="in-nav-toc"><div class="document-toc-container"><section class="document-toc"><header><h2 class="document-toc-heading">この記事では</h2></header><ul class="document-toc-list"><li class="document-toc-item "><a class="document-toc-link" href="#より詳しく知る">より詳しく知る</a></li></ul></section></div></div><div class="sidebar-body"> <ol> <li class="section"><a href="/ja/docs/Glossary">MDN Web Docs 用語集</a></li> <li class="toggle"> <ol><li><a href="/ja/docs/Glossary/Abstraction">Abstraction (抽象化)</a></li><li><a href="/ja/docs/Glossary/Accent">Accent (強調色)</a></li><li><a href="/ja/docs/Glossary/Accessibility">Accessibility (アクセシビリティ)</a></li><li><a href="/ja/docs/Glossary/Accessibility_tree">Accessibility tree (アクセシビリティツリー)</a></li><li><a href="/ja/docs/Glossary/Accessible_description">Accessible description (アクセシブル説明)</a></li><li><a href="/ja/docs/Glossary/Accessible_name">Accessible name (アクセシブル名)</a></li><li><a href="/ja/docs/Glossary/Adobe_Flash">Adobe Flash</a></li><li><a href="/ja/docs/Glossary/Advance_measure">Advance measure (送り幅)</a></li><li><a href="/ja/docs/Glossary/AJAX">AJAX</a></li><li><a href="/ja/docs/Glossary/Algorithm">Algorithm (アルゴリズム)</a></li><li><a href="/ja/docs/Glossary/Alignment_Container">Alignment container (配置コンテナー)</a></li><li><a href="/ja/docs/Glossary/Alignment_Subject">Alignment subject (配置対象物)</a></li><li><a href="/ja/docs/Glossary/Alpha">Alpha (アルファチャンネル)</a></li><li><a href="/ja/docs/Glossary/ALPN">ALPN</a></li><li><a href="/ja/docs/Glossary/API">API</a></li><li><a href="/ja/docs/Glossary/Apple_Safari">Apple Safari</a></li><li><a href="/ja/docs/Glossary/Application_context">Application Context (アプリケーションコンテキスト)</a></li><li><a href="/ja/docs/Glossary/Argument">Argument (実引数)</a></li><li><a href="/ja/docs/Glossary/ARIA">ARIA</a></li><li><a href="/ja/docs/Glossary/ARPA">ARPA</a></li><li><a href="/ja/docs/Glossary/Arpanet">ARPANET</a></li><li><a href="/ja/docs/Glossary/Array">Array (配列)</a></li><li><a href="/ja/docs/Glossary/ASCII">ASCII</a></li><li><a href="/ja/docs/Glossary/Aspect_ratio">Aspect ratio (アスペクト比)</a></li><li><a href="/ja/docs/Glossary/Asynchronous">Asynchronous （非同期）</a></li><li><a href="/ja/docs/Glossary/ATAG">ATAG</a></li><li><a href="/ja/docs/Glossary/Attribute">Attribute (属性)</a></li><li><a href="/ja/docs/Glossary/Authentication">Authentication</a></li><li><a href="/ja/docs/Glossary/Authenticator">Authenticator</a></li><li><a href="/ja/docs/Glossary/Bandwidth">Bandwidth (帯域幅)</a></li><li><a href="/ja/docs/Glossary/Base64">Base64</a></li><li><a href="/ja/docs/Glossary/Baseline">Baseline</a></li><li><a href="/ja/docs/Glossary/Beacon">Beacon (ビーコン)</a></li><li><a href="/ja/docs/Glossary/Bezier_curve">Bézier curve (ベジェ曲線)</a></li><li><a href="/ja/docs/Glossary/bfcache">bfcache</a></li><li><a href="/ja/docs/Glossary/BiDi">BiDi (双方向)</a></li><li><a href="/ja/docs/Glossary/BigInt">BigInt</a></li><li><a href="/ja/docs/Glossary/Binding">Binding （バインド）</a></li><li><a href="/ja/docs/Glossary/Bitwise_flags">Bitwise flags (ビットフラグ)</a></li><li><a href="/ja/docs/Glossary/Blink">Blink</a></li><li><a href="/ja/docs/Glossary/blink_element">blink element (<blink> tag)</a></li><li><a href="/ja/docs/Glossary/Block">Block (ブロック)</a></li><li><a href="/ja/docs/Glossary/Block_cipher_mode_of_operation">Block cipher mode of operation (暗号利用モード)</a></li><li><a href="/ja/docs/Glossary/Block-level_content">Block-level content (ブロックレベルコンテンツ)</a></li><li><a href="/ja/docs/Glossary/Boolean">Boolean</a></li><li><a href="/ja/docs/Glossary/Bounding_box">Bounding Box (バウンディングボックス)</a></li><li><a href="/ja/docs/Glossary/Breadcrumb">Breadcrumb (パンくずリスト)</a></li><li><a href="/ja/docs/Glossary/Brotli_compression">Brotli</a></li><li><a href="/ja/docs/Glossary/Browser">Browser (ブラウザー)</a></li><li><a href="/ja/docs/Glossary/Browsing_context">Browsing context (閲覧コンテキスト)</a></li><li><a href="/ja/docs/Glossary/Buffer">buffer (バッファー)</a></li><li><a href="/ja/docs/Glossary/Cache">Cache(キャッシュ)</a></li><li><a href="/ja/docs/Glossary/Cacheable">Cacheable (キャッシュ可能)</a></li><li><a href="/ja/docs/Glossary/CalDAV">CalDAV</a></li><li><a href="/ja/docs/Glossary/Call_stack">Call stack (コールスタック)</a></li><li><a href="/ja/docs/Glossary/Callback_function">Callback function (コールバック関数)</a></li><li><a href="/ja/docs/Glossary/Camel_case">Camel case (キャメルケース)</a></li><li><a href="/ja/docs/Glossary/Canonical_order">Canonical order (正規順序)</a></li><li><a href="/ja/docs/Glossary/Canvas">Canvas</a></li><li><a href="/ja/docs/Glossary/Card_sorting">Card sorting (カードソート)</a></li><li><a href="/ja/docs/Glossary/CardDAV">CardDAV</a></li><li><em><a href="/ja/docs/Glossary/Caret" aria-current="page">caret (キャレット)</a></em></li><li><a href="/ja/docs/Glossary/CDN">CDN</a></li><li><a href="/ja/docs/Glossary/Certificate_authority">Certificate authority (認証局)</a></li><li><a href="/ja/docs/Glossary/Certified">Certified</a></li><li><a href="/ja/docs/Glossary/Challenge">Challenge-response authentication (チャレンジレスポンス認証)</a></li><li><a href="/ja/docs/Glossary/Character">Character (文字)</a></li><li><a href="/ja/docs/Glossary/Character_encoding">Character encoding (文字エンコーディング)</a></li><li><a href="/ja/docs/Glossary/Character_reference">Character reference</a></li><li><a href="/ja/docs/Glossary/Character_set">Character set (文字コード)</a></li><li><a href="/ja/docs/Glossary/Chrome">Chrome (クローム)</a></li><li><a href="/ja/docs/Glossary/CIA">CIA（Confidentiality, Integrity, Availability）</a></li><li><a href="/ja/docs/Glossary/Cipher">Cipher (サイファー)</a></li><li><a href="/ja/docs/Glossary/Cipher_suite">Cipher suite (暗号スイート)</a></li><li><a href="/ja/docs/Glossary/Ciphertext">Ciphertext (暗号文)</a></li><li><a href="/ja/docs/Glossary/Class">Class (クラス)</a></li><li><a href="/ja/docs/Glossary/Clickjacking">Clickjacking</a></li><li><a href="/ja/docs/Glossary/Closure">Closure (クロージャ)</a></li><li><a href="/ja/docs/Glossary/Cloud">Cloud</a></li><li><a href="/ja/docs/Glossary/Cloud_computing">Cloud computing</a></li><li><a href="/ja/docs/Glossary/CMS">CMS</a></li><li><a href="/ja/docs/Glossary/Code_point">Code point (コードポイント)</a></li><li><a href="/ja/docs/Glossary/Code_splitting">Code splitting (コード分割)</a></li><li><a href="/ja/docs/Glossary/Code_unit">Code unit (コード単位)</a></li><li><a href="/ja/docs/Glossary/Codec">Codec (コーデック)</a></li><li><a href="/ja/docs/Glossary/Color_space">Color space (色空間)</a></li><li><a href="/ja/docs/Glossary/Color_wheel">Color wheel (色相環)</a></li><li><a href="/ja/docs/Glossary/Compile">Compile (コンパイル)</a></li><li><a href="/ja/docs/Glossary/Compile_time">Compile time (コンパイル時間)</a></li><li><a href="/ja/docs/Glossary/Composite_operation">Composite operation (合成演算)</a></li><li><a href="/ja/docs/Glossary/Computer_Programming">Computer Programming (コンピュータープログラミング)</a></li><li><a href="/ja/docs/Glossary/Conditional">Conditional (条件式)</a></li><li><a href="/ja/docs/Glossary/Constant">Constant (定数)</a></li><li><a href="/ja/docs/Glossary/Constructor">Constructor (コンストラクター)</a></li><li><a href="/ja/docs/Glossary/Content_header">Content header (コンテンツヘッダー)</a></li><li><a href="/ja/docs/Glossary/Continuous_Media">Continuous Media (連続的メディア)</a></li><li><a href="/ja/docs/Glossary/Control_flow">Control flow (制御フロー)</a></li><li><a href="/ja/docs/Glossary/Cookie">Cookie</a></li><li><a href="/ja/docs/Glossary/Copyleft">Copyleft (コピーレフト)</a></li><li><a href="/ja/docs/Glossary/CORS">CORS</a></li><li><a href="/ja/docs/Glossary/CORS-safelisted_request_header">CORS-safelisted request header (CORS セーフリストリクエストヘッダー)</a></li><li><a href="/ja/docs/Glossary/CORS-safelisted_response_header">CORS-safelisted response header (CORS セーフリストレスポンスヘッダー)</a></li><li><a href="/ja/docs/Glossary/Crawler">Crawler (クローラー)</a></li><li><a href="/ja/docs/Glossary/Credential">Credential</a></li><li><a href="/ja/docs/Glossary/CRLF">CRLF</a></li><li><a href="/ja/docs/Glossary/Cross_Axis">Cross Axis (交差軸)</a></li><li><a href="/ja/docs/Glossary/Cross-site_scripting">Cross-site scripting (クロスサイトスクリプティング)</a></li><li><a href="/ja/docs/Glossary/CRUD">CRUD</a></li><li><a href="/ja/docs/Glossary/Cryptanalysis">Cryptanalysis (暗号解読)</a></li><li><a href="/ja/docs/Glossary/Cryptographic_hash_function">Cryptographic hash function (暗号学的ハッシュ関数)</a></li><li><a href="/ja/docs/Glossary/Cryptography">Cryptography (暗号学)</a></li><li><a href="/ja/docs/Glossary/CSP">CSP</a></li><li><a href="/ja/docs/Glossary/CSRF">CSRF</a></li><li><a href="/ja/docs/Glossary/CSS">CSS</a></li><li><a href="/ja/docs/Glossary/CSSOM">CSS Object Model (CSSOM)</a></li><li><a href="/ja/docs/Glossary/CSS_pixel">CSS pixel</a></li><li><a href="/ja/docs/Glossary/CSS_preprocessor">CSS preprocessor (CSS プリプロセッサー)</a></li><li><a href="/ja/docs/Glossary/CLS">Cumulative Layout Shift (CLS)</a></li><li><a href="/ja/docs/Glossary/Data_structure">Data structure (データ構造)</a></li><li><a href="/ja/docs/Glossary/Database">Database</a></li><li><a href="/ja/docs/Glossary/Debounce">Debounce (デバウンス)</a></li><li><a href="/ja/docs/Glossary/Decryption">Decryption (復号)</a></li><li><a href="/ja/docs/Glossary/Deep_copy">Deep copy (ディープコピー)</a></li><li><a href="/ja/docs/Glossary/Delta">Delta (デルタ)</a></li><li><a href="/ja/docs/Glossary/Denial_of_Service">Denial of Service (サービス拒否)</a></li><li><a href="/ja/docs/Glossary/Deno">Deno</a></li><li><a href="/ja/docs/Glossary/CSS_Descriptor">Descriptor (CSS) (記述子)</a></li><li><a href="/ja/docs/Glossary/Deserialization">Deserialization (デシリアライズ)</a></li><li><a href="/ja/docs/Glossary/Developer_Tools">Developer Tools (開発者ツール)</a></li><li><a href="/ja/docs/Glossary/Digest">Digest</a></li><li><a href="/ja/docs/Glossary/Digital_certificate">Digital certificate (デジタル証明書)</a></li><li><a href="/ja/docs/Glossary/Digital_signature">Digital signature</a></li><li><a href="/ja/docs/Glossary/Distributed_Denial_of_Service">Distributed Denial of Service</a></li><li><a href="/ja/docs/Glossary/DMZ">DMZ</a></li><li><a href="/ja/docs/Glossary/DNS">DNS</a></li><li><a href="/ja/docs/Glossary/Doctype">Doctype</a></li><li><a href="/ja/docs/Glossary/Document_directive">Document directive (文書ディレクティブ)</a></li><li><a href="/ja/docs/Glossary/Document_environment">Document environment (文書環境)</a></li><li><a href="/ja/docs/Glossary/DOM">DOM (Document Object Model)</a></li><li><a href="/ja/docs/Glossary/Domain">Domain (ドメイン)</a></li><li><a href="/ja/docs/Glossary/Domain_name">Domain name (ドメイン名)</a></li><li><a href="/ja/docs/Glossary/Domain_sharding">Domain sharding (ドメインシャーディング)</a></li><li><a href="/ja/docs/Glossary/Dominator">Dominator (ドミネーター)</a></li><li><a href="/ja/docs/Glossary/DOS_attack">DoS attack (DoS 攻撃)</a></li><li><a href="/ja/docs/Glossary/DSL">DSL</a></li><li><a href="/ja/docs/Glossary/DTLS">DTLS (Datagram Transport Layer Security)</a></li><li><a href="/ja/docs/Glossary/DTMF">DTMF (Dual-Tone Multi-Frequency signaling)</a></li><li><a href="/ja/docs/Glossary/Dynamic_typing">Dynamic typing (動的型付け)</a></li><li><a href="/ja/docs/Glossary/ECMA">ECMA</a></li><li><a href="/ja/docs/Glossary/ECMAScript">ECMAScript</a></li><li><a href="/ja/docs/Glossary/Effective_connection_type">Effective connection type (有効接続種別)</a></li><li><a href="/ja/docs/Glossary/Element">Element (要素)</a></li><li><a href="/ja/docs/Glossary/Encapsulation">Encapsulation (カプセル化)</a></li><li><a href="/ja/docs/Glossary/Encryption">Encryption (暗号化)</a></li><li><a href="/ja/docs/Glossary/Endianness">Endianness (エンディアン)</a></li><li><a href="/ja/docs/Glossary/Engine">Engine</a></li><li><a href="/ja/docs/Glossary/Entity">Entity (エンティティ)</a></li><li><a href="/ja/docs/Glossary/Entity_header">Entity header (エンティティヘッダー)</a></li><li><a href="/ja/docs/Glossary/Enumerated">Enumerated (列挙型)</a></li><li><a href="/ja/docs/Glossary/eTLD">eTLD</a></li><li><a href="/ja/docs/Glossary/Event">Event (イベント)</a></li><li><a href="/ja/docs/Glossary/Exception">Exception (例外)</a></li><li><a href="/ja/docs/Glossary/EXIF">EXIF</a></li><li><a href="/ja/docs/Glossary/Expando">Expando</a></li><li><a href="/ja/docs/Glossary/Fallback_Alignment">Fallback alignment (代替配置)</a></li><li><a href="/ja/docs/Glossary/Falsy">Falsy (偽値)</a></li><li><a href="/ja/docs/Glossary/Favicon">Favicon (ファビコン)</a></li><li><a href="/ja/docs/Glossary/Federated_identity">Federated identity</a></li><li><a href="/ja/docs/Glossary/Fetch_directive">Fetch directive (フェッチディレクティブ)</a></li><li><a href="/ja/docs/Glossary/Fetch_metadata_request_header">Fetch metadata request header (フェッチメタデータリクエストヘッダー)</a></li><li><a href="/ja/docs/Glossary/Fingerprinting">Fingerprinting (フィンガープリンティング)</a></li><li><a href="/ja/docs/Glossary/Firefox_OS">Firefox OS</a></li><li><a href="/ja/docs/Glossary/Firewall">firewall (ファイアウォール)</a></li><li><a href="/ja/docs/Glossary/First_contentful_paint">First contentful paint</a></li><li><a href="/ja/docs/Glossary/First_CPU_idle">First CPU idle (最初の CPU アイドル)</a></li><li><a href="/ja/docs/Glossary/First_input_delay">First Input Delay (FID)</a><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li><li><a href="/ja/docs/Glossary/First_meaningful_paint">First Meaningful Paint</a></li><li><a href="/ja/docs/Glossary/First_paint">First paint</a></li><li><a href="/ja/docs/Glossary/First-class_Function">First-class Function (第一級関数)</a></li><li><a href="/ja/docs/Glossary/Flex">Flex</a></li><li><a href="/ja/docs/Glossary/Flex_Container">Flex Container (フレックスコンテナー)</a></li><li><a href="/ja/docs/Glossary/Flex_Item">Flex Item (フレックスアイテム)</a></li><li><a href="/ja/docs/Glossary/Flexbox">Flexbox (フレックスボックス)</a></li><li><a href="/ja/docs/Glossary/Flow_relative_values">Flow relative values</a></li><li><a href="/ja/docs/Glossary/Forbidden_header_name">Forbidden header name (禁止ヘッダー名)</a></li><li><a href="/ja/docs/Glossary/Forbidden_response_header_name">Forbidden response header name (禁止レスンポンスヘッダー名)</a></li><li><a href="/ja/docs/Glossary/Fork">Fork (フォーク)</a></li><li><a href="/ja/docs/Glossary/Fragmentainer">Fragmentainer</a></li><li><a href="/ja/docs/Glossary/FPS">frame rate (フレームレート, FPS)</a></li><li><a href="/ja/docs/Glossary/FTP">FTP</a></li><li><a href="/ja/docs/Glossary/FTU">FTU</a></li><li><a href="/ja/docs/Glossary/Function">Function (関数)</a></li><li><a href="/ja/docs/Glossary/Fuzzing">Fuzz testing (ファズテスティング)</a></li><li><a href="/ja/docs/Glossary/Gamut">Gamut (色域)</a></li><li><a href="/ja/docs/Glossary/Garbage_collection">Garbage collection (ガベージコレクション)</a></li><li><a href="/ja/docs/Glossary/Gecko">Gecko</a></li><li><a href="/ja/docs/Glossary/General_header">General header (一般ヘッダー)</a></li><li><a href="/ja/docs/Glossary/GIF">GIF</a></li><li><a href="/ja/docs/Glossary/Git">Git</a></li><li><a href="/ja/docs/Glossary/Global_object">Global object (グローバルオブジェクト)</a></li><li><a href="/ja/docs/Glossary/Global_scope">Global scope (グローバルスコープ)</a></li><li><a href="/ja/docs/Glossary/Global_variable">Global variable (グローバル変数)</a></li><li><a href="/ja/docs/Glossary/Glyph">Glyph (字体)</a></li><li><a href="/ja/docs/Glossary/Google_Chrome">Google Chrome</a></li><li><a href="/ja/docs/Glossary/GPL">GPL</a></li><li><a href="/ja/docs/Glossary/GPU">GPU</a></li><li><a href="/ja/docs/Glossary/Graceful_degradation">Graceful degradation (グレースフルデグラデーション)</a></li><li><a href="/ja/docs/Glossary/Grid">Grid (グリッド)</a></li><li><a href="/ja/docs/Glossary/Grid_Areas">Grid Areas (グリッド領域)</a></li><li><a href="/ja/docs/Glossary/Grid_Axis">Grid Axis (グリッド軸)</a></li><li><a href="/ja/docs/Glossary/Grid_Cell">Grid Cell (グリッドセル)</a></li><li><a href="/ja/docs/Glossary/Grid_Column">Grid Column (グリッド列)</a></li><li><a href="/ja/docs/Glossary/Grid_Container">Grid container</a></li><li><a href="/ja/docs/Glossary/Grid_Lines">Grid Line (グリッド線)</a></li><li><a href="/ja/docs/Glossary/Grid_Row">Grid Row (グリッド行)</a></li><li><a href="/ja/docs/Glossary/Grid_Tracks">Grid Track (グリッドトラック)</a></li><li><a href="/ja/docs/Glossary/Gutters">Gutter (溝)</a></li><li><a href="/ja/docs/Glossary/gzip_compression">gzip compression (gzip 圧縮)</a></li><li><a href="/ja/docs/Glossary/Hash">Hash (ハッシュ)</a></li><li><a href="/ja/docs/Glossary/Head">Head</a></li><li><a href="/ja/docs/Glossary/High-level_programming_language">High-level programming language (高水準言語)</a></li><li><a href="/ja/docs/Glossary/HMAC">HMAC</a></li><li><a href="/ja/docs/Glossary/Hoisting">Hoisting (巻き上げ、ホイスティング)</a></li><li><a href="/ja/docs/Glossary/Host">Host (ホスト)</a></li><li><a href="/ja/docs/Glossary/Hotlink">Hotlink (直リンク)</a></li><li><a href="/ja/docs/Glossary/Houdini">Houdini</a></li><li><a href="/ja/docs/Glossary/HPKP">HPKP</a></li><li><a href="/ja/docs/Glossary/HSTS">HSTS</a></li><li><a href="/ja/docs/Glossary/HTML">HTML</a></li><li><a href="/ja/docs/Glossary/html_color_codes">HTML color codes</a></li><li><a href="/ja/docs/Glossary/HTML5">HTML5</a></li><li><a href="/ja/docs/Glossary/HTTP">HTTP</a></li><li><a href="/ja/docs/Glossary/HTTP_Content">HTTP Content (HTTP コンテンツ)</a></li><li><a href="/ja/docs/Glossary/HTTP_header">HTTP header (HTTP ヘッダー)</a></li><li><a href="/ja/docs/Glossary/HTTP_2">HTTP/2</a></li><li><a href="/ja/docs/Glossary/HTTP_3">HTTP/3</a></li><li><a href="/ja/docs/Glossary/HTTPS">HTTPS</a></li><li><a href="/ja/docs/Glossary/HTTPS_RR">HTTPS RR</a></li><li><a href="/ja/docs/Glossary/Hyperlink">Hyperlink (ハイパーリンク)</a></li><li><a href="/ja/docs/Glossary/Hypertext">Hypertext (ハイパーテキスト)</a></li><li><a href="/ja/docs/Glossary/IANA">IANA</a></li><li><a href="/ja/docs/Glossary/ICANN">ICANN</a></li><li><a href="/ja/docs/Glossary/ICE">ICE</a></li><li><a href="/ja/docs/Glossary/IDE">IDE (統合開発環境)</a></li><li><a href="/ja/docs/Glossary/Idempotent">Idempotent (べき等)</a></li><li><a href="/ja/docs/Glossary/Identifier">Identifier (識別子)</a></li><li><a href="/ja/docs/Glossary/Identity_provider">Identity provider (IdP)</a></li><li><a href="/ja/docs/Glossary/IDL">IDL (インターフェイス記述言語)</a></li><li><a href="/ja/docs/Glossary/IETF">IETF</a></li><li><a href="/ja/docs/Glossary/IIFE">IIFE (即時実行関数式)</a></li><li><a href="/ja/docs/Glossary/IMAP">IMAP</a></li><li><a href="/ja/docs/Glossary/Immutable">Immutable (不変)</a></li><li><a href="/ja/docs/Glossary/IndexedDB">IndexedDB</a></li><li><a href="/ja/docs/Glossary/Information_architecture">Information architecture (情報アーキテクチャ)</a></li><li><a href="/ja/docs/Glossary/Inheritance">Inheritance (継承)</a></li><li><a href="/ja/docs/Glossary/Ink_overflow">Ink overflow (インクオーバーフロー)</a></li><li><a href="/ja/docs/Glossary/Inline-level_content">Inline-level content (インラインレベルコンテンツ)</a></li><li><a href="/ja/docs/Glossary/Input_method_editor">Input method editor (インプットメソッドエディター)</a></li><li><a href="/ja/docs/Glossary/Inset_properties">Inset properties (インセットプロパティ)</a></li><li><a href="/ja/docs/Glossary/Instance">Instance (インスタンス)</a></li><li><a href="/ja/docs/Glossary/Interaction_to_next_paint">Interaction to Next Paint (INP)</a></li><li><a href="/ja/docs/Glossary/Internationalization">Internationalization (i18n) （国際化対応）</a></li><li><a href="/ja/docs/Glossary/Internet">Internet (インターネット)</a></li><li><a href="/ja/docs/Glossary/Interpolation">Interpolation (補間)</a></li><li><a href="/ja/docs/Glossary/Intrinsic_Size">Intrinsic size (内在サイズ)</a></li><li><a href="/ja/docs/Glossary/IP_Address">IP Address (IPアドレス)</a></li><li><a href="/ja/docs/Glossary/IPv4">IPv4</a></li><li><a href="/ja/docs/Glossary/IPv6">IPv6</a></li><li><a href="/ja/docs/Glossary/IRC">IRC</a></li><li><a href="/ja/docs/Glossary/ISO">ISO (国際標準化機構)</a></li><li><a href="/ja/docs/Glossary/ISP">ISP</a></li><li><a href="/ja/docs/Glossary/ITU">ITU (国際電気通信連合)</a></li><li><a href="/ja/docs/Glossary/Jank">Jank (ジャンク)</a></li><li><a href="/ja/docs/Glossary/Java">Java</a></li><li><a href="/ja/docs/Glossary/JavaScript">JavaScript</a></li><li><a href="/ja/docs/Glossary/Jitter">Jitter</a></li><li><a href="/ja/docs/Glossary/JPEG">JPEG</a></li><li><a href="/ja/docs/Glossary/JSON">JSON</a></li><li><a href="/ja/docs/Glossary/JSON_type_representation">JSON type representation</a></li><li><a href="/ja/docs/Glossary/Kebab_case">Kebab case (ケバブケース)</a></li><li><a href="/ja/docs/Glossary/Key">Key (暗号鍵)</a></li><li><a href="/ja/docs/Glossary/Keyword">Keyword (キーワード)</a></li><li><a href="/ja/docs/Glossary/Largest_contentful_paint">Largest contentful paint</a></li><li><a href="/ja/docs/Glossary/Latency">Latency(レイテンシー)</a></li><li><a href="/ja/docs/Glossary/Layout_viewport">Layout viewport</a></li><li><a href="/ja/docs/Glossary/Lazy_load">Lazy load (遅延読み込み)</a></li><li><a href="/ja/docs/Glossary/LGPL">LGPL</a></li><li><a href="/ja/docs/Glossary/Ligature">Ligature (合字)</a></li><li><a href="/ja/docs/Glossary/Literal">Literal (リテラル)</a></li><li><a href="/ja/docs/Glossary/Local_scope">Local scope (ローカルスコープ)</a></li><li><a href="/ja/docs/Glossary/Local_variable">Local variable (ローカル変数)</a></li><li><a href="/ja/docs/Glossary/Locale">Locale (ロケール)</a></li><li><a href="/ja/docs/Glossary/Localization">Localization (ローカライゼーション)</a></li><li><a href="/ja/docs/Glossary/Logical_properties">Logical properties</a></li><li><a href="/ja/docs/Glossary/Long_task">Long task (ロングタスク)</a></li><li><a href="/ja/docs/Glossary/Loop">Loop (ループ)</a></li><li><a href="/ja/docs/Glossary/Lossless_compression">Lossless compression (可逆圧縮)</a></li><li><a href="/ja/docs/Glossary/Lossy_compression">Lossy compression (非可逆圧縮)</a></li><li><a href="/ja/docs/Glossary/LTR">LTR (左書き)</a></li><li><a href="/ja/docs/Glossary/Main_Axis">Main Axis (主軸)</a></li><li><a href="/ja/docs/Glossary/Main_thread">Main thread (メインスレッド)</a></li><li><a href="/ja/docs/Glossary/Markup">markup (マークアップ)</a></li><li><a href="/ja/docs/Glossary/MathML">MathML</a></li><li><a href="/ja/docs/Glossary/Media">Media (メディア)</a></li><li><a href="/ja/docs/Glossary/Media_query">Media query (メディアクエリー)</a></li><li><a href="/ja/docs/Glossary/Metadata">Metadata (メタデータ)</a></li><li><a href="/ja/docs/Glossary/Method">Method (メソッド)</a></li><li><a href="/ja/docs/Glossary/Microsoft_Edge">Microsoft Edge</a></li><li><a href="/ja/docs/Glossary/Microsoft_Internet_Explorer">Microsoft Internet Explorer</a></li><li><a href="/ja/docs/Glossary/Middleware">Middleware (ミドルウェア)</a></li><li><a href="/ja/docs/Glossary/MIME">mime</a></li><li><a href="/ja/docs/Glossary/MIME_type">MIME type (MIMEタイプ)</a></li><li><a href="/ja/docs/Glossary/Minification">minification</a></li><li><a href="/ja/docs/Glossary/MitM">MitM (中間者攻撃)</a></li><li><a href="/ja/docs/Glossary/Mixin">Mixin (ミックスイン)</a></li><li><a href="/ja/docs/Glossary/Mobile_First">Mobile First (モバイルファースト)</a></li><li><a href="/ja/docs/Glossary/Modem">Modem (モデム)</a></li><li><a href="/ja/docs/Glossary/Modularity">Modularity (モジュール性)</a></li><li><a href="/ja/docs/Glossary/Mozilla_Firefox">Mozilla Firefox</a></li><li><a href="/ja/docs/Glossary/Mutable">Mutable (ミュータブル)</a></li><li><a href="/ja/docs/Glossary/MVC">MVC</a></li><li><a href="/ja/docs/Glossary/Namespace">Namespace (名前空間)</a></li><li><a href="/ja/docs/Glossary/NaN">NaN (非数)</a></li><li><a href="/ja/docs/Glossary/NAT">NAT</a></li><li><a href="/ja/docs/Glossary/Native">Native (ネイティブ)</a></li><li><a href="/ja/docs/Glossary/Navigation_directive">Navigation directive (ナビゲーションディレクティブ)</a></li><li><a href="/ja/docs/Glossary/Netscape_Navigator">Netscape Navigator</a></li><li><a href="/ja/docs/Glossary/Network_throttling">Network throttling (ネットワークスロットリング)</a></li><li><a href="/ja/docs/Glossary/NNTP">NNTP</a></li><li><a href="/ja/docs/Glossary/Node">Node</a></li><li><a href="/ja/docs/Glossary/Node.js">Node.js</a></li><li><a href="/ja/docs/Glossary/Non-normative">non-normative</a></li><li><a href="/ja/docs/Glossary/Normative">Normative</a></li><li><a href="/ja/docs/Glossary/Null">Null</a></li><li><a href="/ja/docs/Glossary/Nullish">Nullish value</a></li><li><a href="/ja/docs/Glossary/Number">Number</a></li><li><a href="/ja/docs/Glossary/Object">Object (オブジェクト)</a></li><li><a href="/ja/docs/Glossary/Object_reference">Object reference (オブジェクト参照)</a></li><li><a href="/ja/docs/Glossary/OOP">OOP (オブジェクト指向プログラミング)</a></li><li><a href="/ja/docs/Glossary/OpenGL">OpenGL</a></li><li><a href="/ja/docs/Glossary/OpenSSL">OpenSSL</a></li><li><a href="/ja/docs/Glossary/Opera_Browser">Opera Browser</a></li><li><a href="/ja/docs/Glossary/Operand">Operand (オペランド)</a></li><li><a href="/ja/docs/Glossary/Operator">Operator (演算子)</a></li><li><a href="/ja/docs/Glossary/Origin">Origin (オリジン)</a></li><li><a href="/ja/docs/Glossary/OTA">OTA</a></li><li><a href="/ja/docs/Glossary/OWASP">OWASP</a></li><li><a href="/ja/docs/Glossary/P2P">P2P (ピアーツーピアー)</a></li><li><a href="/ja/docs/Glossary/PAC">PAC</a></li><li><a href="/ja/docs/Glossary/Packet">Packet (パケット)</a></li><li><a href="/ja/docs/Glossary/Page_load_time">Page load time (ページ読み込み時間)</a></li><li><a href="/ja/docs/Glossary/Page_prediction">Page prediction</a></li><li><a href="/ja/docs/Glossary/Parameter">Parameter (仮引数)</a></li><li><a href="/ja/docs/Glossary/Parent_object">Parent object (親オブジェクト)</a></li><li><a href="/ja/docs/Glossary/Parse">Parse (構文解析)</a></li><li><a href="/ja/docs/Glossary/Parser">Parser (パーサー)</a></li><li><a href="/ja/docs/Glossary/Payload_body">Payload body</a></li><li><a href="/ja/docs/Glossary/Payload_header">Payload header (ペイロードヘッダー)</a></li><li><a href="/ja/docs/Glossary/PDF">PDF</a></li><li><a href="/ja/docs/Glossary/Perceived_performance">Perceived performance (知覚的パフォーマンス)</a></li><li><a href="/ja/docs/Glossary/Percent-encoding">Percent-encoding (パーセントエンコーディング)</a></li><li><a href="/ja/docs/Glossary/PHP">PHP</a></li><li><a href="/ja/docs/Glossary/Physical_properties">Physical properties (物理プロパティ)</a></li><li><a href="/ja/docs/Glossary/Pixel">Pixel (ピクセル)</a></li><li><a href="/ja/docs/Glossary/Placeholder_names">Placeholder names</a></li><li><a href="/ja/docs/Glossary/Plaintext">Plaintext (平文)</a></li><li><a href="/ja/docs/Glossary/Plugin">Plugin (プラグイン)</a></li><li><a href="/ja/docs/Glossary/PNG">PNG</a></li><li><a href="/ja/docs/Glossary/Polyfill">Polyfill (ポリフィル)</a></li><li><a href="/ja/docs/Glossary/Polymorphism">Polymorphism (多態性)</a></li><li><a href="/ja/docs/Glossary/POP">POP3</a></li><li><a href="/ja/docs/Glossary/Port">Port (ポート)</a></li><li><a href="/ja/docs/Glossary/Prefetch">Prefetch (先読み)</a></li><li><a href="/ja/docs/Glossary/Preflight_request">Preflight request (プリフライトリクエスト)</a></li><li><a href="/ja/docs/Glossary/Prerender">Prerender</a></li><li><a href="/ja/docs/Glossary/Presto">Presto</a></li><li><a href="/ja/docs/Glossary/Primitive">Primitive (プリミティブ)</a></li><li><a href="/ja/docs/Glossary/Privileged">Privileged</a></li><li><a href="/ja/docs/Glossary/Privileged_code">Privileged code (特権コード)</a></li><li><a href="/ja/docs/Glossary/Progressive_Enhancement">Progressive Enhancement (プログレッシブエンハンスメント)</a></li><li><a href="/ja/docs/Glossary/Progressive_web_apps">Progressive web apps (プログレッシブウェブアプリ)</a></li><li><a href="/ja/docs/Glossary/Promise">Promise (プロミス)</a></li><li><a href="/ja/docs/Glossary/Property">Property (プロパティ)</a></li><li><a href="/ja/docs/Glossary/Protocol">Protocol (プロトコル)</a></li><li><a href="/ja/docs/Glossary/Prototype">Prototype</a></li><li><a href="/ja/docs/Glossary/Prototype-based_programming">Prototype-based programming (プロトタイプベースプログラミング)</a></li><li><a href="/ja/docs/Glossary/Proxy_server">Proxy server (プロキシーサーバー)</a></li><li><a href="/ja/docs/Glossary/Pseudo-class">Pseudo-class</a></li><li><a href="/ja/docs/Glossary/Pseudo-element">Pseudo-element (擬似要素)</a></li><li><a href="/ja/docs/Glossary/Pseudocode">Pseudocode (擬似コード)</a></li><li><a href="/ja/docs/Glossary/Public-key_cryptography">Public-key cryptography (公開鍵暗号)</a></li><li><a href="/ja/docs/Glossary/Python">Python</a></li><li><a href="/ja/docs/Glossary/Quality_values">Quality values (品質値)</a></li><li><a href="/ja/docs/Glossary/Quaternion">Quaternion (四元数)</a></li><li><a href="/ja/docs/Glossary/QUIC">QUIC</a></li><li><a href="/ja/docs/Glossary/RAIL">RAIL</a></li><li><a href="/ja/docs/Glossary/RNG">Random Number Generator (乱数発生器)</a></li><li><a href="/ja/docs/Glossary/Raster_image">ラスターイメージ (Raster Image)</a></li><li><a href="/ja/docs/Glossary/Rate_limit">Rate limit (レート制限)</a></li><li><a href="/ja/docs/Glossary/RDF">RDF</a></li><li><a href="/ja/docs/Glossary/Real_User_Monitoring">Real User Monitoring（RUM）</a></li><li><a href="/ja/docs/Glossary/Recursion">Recursion (再帰)</a></li><li><a href="/ja/docs/Glossary/Reflow">Reflow (再フロー)</a></li><li><a href="/ja/docs/Glossary/Regular_expression">Regular expression (正規表現)</a></li><li><a href="/ja/docs/Glossary/Relying_party">Relying party</a></li><li><a href="/ja/docs/Glossary/Render_blocking">Render-blocking (レンダーブロッキング)</a></li><li><a href="/ja/docs/Glossary/Repaint">Repaint (再描画)</a></li><li><a href="/ja/docs/Glossary/Replay_attack">Replay attack</a></li><li><a href="/ja/docs/Glossary/Repo">Repo (リポジトリー)</a></li><li><a href="/ja/docs/Glossary/Reporting_directive">Reporting directive (報告ディレクティブ)</a></li><li><a href="/ja/docs/Glossary/Representation_header">Representation header (表現ヘッダー)</a></li><li><a href="/ja/docs/Glossary/Request_header">Request header (リクエストヘッダー)</a></li><li><a href="/ja/docs/Glossary/Resource_Timing">Resource Timing</a></li><li><a href="/ja/docs/Glossary/Response_header">Response header (レスポンスヘッダー)</a></li><li><a href="/ja/docs/Glossary/Responsive_web_design">Responsive web design (レスポンシブウェブデザイン)</a></li><li><a href="/ja/docs/Glossary/REST">REST</a></li><li><a href="/ja/docs/Glossary/RGB">RGB</a></li><li><a href="/ja/docs/Glossary/RIL">RIL</a></li><li><a href="/ja/docs/Glossary/Robots.txt">Robots.txt</a></li><li><a href="/ja/docs/Glossary/Round_Trip_Time">Round Trip Time (ラウンドトリップタイム)</a></li><li><a href="/ja/docs/Glossary/Router">Router (ルーター)</a></li><li><a href="/ja/docs/Glossary/RSS">RSS</a></li><li><a href="/ja/docs/Glossary/Rsync">Rsync</a></li><li><a href="/ja/docs/Glossary/RTCP">RTCP (RTP Control Protocol)</a></li><li><a href="/ja/docs/Glossary/RTF">RTF</a></li><li><a href="/ja/docs/Glossary/RTL">RTL (右書き)</a></li><li><a href="/ja/docs/Glossary/RTP">RTP (Real-time Transport Protocol) and SRTP (Secure RTP)</a></li><li><a href="/ja/docs/Glossary/RTSP">RTSP: Real-time streaming protocol</a></li><li><a href="/ja/docs/Glossary/Ruby">Ruby</a></li><li><a href="/ja/docs/Glossary/Safe">Safe (安全)</a></li><li><a href="/ja/docs/Glossary/Salt">Salt</a></li><li><a href="/ja/docs/Glossary/Same-origin_policy">Same-origin policy (同一オリジンポリシー)</a></li><li><a href="/ja/docs/Glossary/SCM">SCM</a></li><li><a href="/ja/docs/Glossary/Scope">Scope (スコープ)</a></li><li><a href="/ja/docs/Glossary/Screen_reader">Screen reader (スクリーンリーダー)</a></li><li><a href="/ja/docs/Glossary/Script-supporting_element">Script-supporting element (スクリプト対応要素)</a></li><li><a href="/ja/docs/Glossary/Scroll_boundary">Scroll boundary （スクロール境界）</a></li><li><a href="/ja/docs/Glossary/Scroll_chaining">Scroll chaining （スクロール連鎖）</a></li><li><a href="/ja/docs/Glossary/Scroll_container">Scroll container (スクロールコンテナー)</a></li><li><a href="/ja/docs/Glossary/Scroll_snap">Scroll snap</a></li><li><a href="/ja/docs/Glossary/SCTP">SCTP</a></li><li><a href="/ja/docs/Glossary/SDK">SDK (Software Development Kit)</a></li><li><a href="/ja/docs/Glossary/SDP">SDP</a></li><li><a href="/ja/docs/Glossary/Search_engine">Search engine (検索エンジン)</a></li><li><a href="/ja/docs/Glossary/Secure_Context">Secure Context (安全なコンテキスト)</a></li><li><a href="/ja/docs/Glossary/SSL">SSL</a></li><li><a href="/ja/docs/Glossary/CSS_Selector">Selector (セレクター) (CSS)</a></li><li><a href="/ja/docs/Glossary/Self-Executing_Anonymous_Function">Self-Executing Anonymous Function (自己実行無名関数)</a></li><li><a href="/ja/docs/Glossary/Semantics">Semantics (セマンティクス)</a></li><li><a href="/ja/docs/Glossary/SEO">SEO</a></li><li><a href="/ja/docs/Glossary/Serializable_object">Serializable object （シリアライズ可能オブジェクト）</a></li><li><a href="/ja/docs/Glossary/Serialization">Serialization (シリアライズ)</a></li><li><a href="/ja/docs/Glossary/Server">Server (サーバー)</a></li><li><a href="/ja/docs/Glossary/Server_Timing">Server Timing</a></li><li><a href="/ja/docs/Glossary/Session_Hijacking">Session Hijacking</a></li><li><a href="/ja/docs/Glossary/SGML">SGML</a></li><li><a href="/ja/docs/Glossary/Shadow_tree">Shadow tree (シャドウツリー)</a></li><li><a href="/ja/docs/Glossary/Shallow_copy">Shallow copy (シャローコピー)</a></li><li><a href="/ja/docs/Glossary/Shim">Shim (シム)</a></li><li><a href="/ja/docs/Glossary/Signature">Signature (シグネチャ)</a></li><li><a href="/ja/docs/Glossary/SIMD">SIMD</a></li><li><a href="/ja/docs/Glossary/SISD">SISD</a></li><li><a href="/ja/docs/Glossary/Site">Site (サイト)</a></li><li><a href="/ja/docs/Glossary/Site_map">Site map (サイトマップ)</a></li><li><a href="/ja/docs/Glossary/SLD">SLD</a></li><li><a href="/ja/docs/Glossary/Sloppy_mode">Sloppy モード</a></li><li><a href="/ja/docs/Glossary/Slug">Slug (スラグ)</a></li><li><a href="/ja/docs/Glossary/Smoke_Test">Smoke Test (スモークテスト)</a></li><li><a href="/ja/docs/Glossary/SMPTE">SMPTE (Society of Motion Picture and Television Engineers)</a></li><li><a href="/ja/docs/Glossary/SMTP">SMTP</a></li><li><a href="/ja/docs/Glossary/Snake_case">Snake case (スネークケース)</a></li><li><a href="/ja/docs/Glossary/Snap_positions">Snap positions</a></li><li><a href="/ja/docs/Glossary/SOAP">SOAP</a></li><li><a href="/ja/docs/Glossary/SPA">SPA (単一ページアプリケーション)</a></li><li><a href="/ja/docs/Glossary/Specification">Specification</a></li><li><a href="/ja/docs/Glossary/Speculative_parsing">Speculative parsing (投機的解析)</a></li><li><a href="/ja/docs/Glossary/Speed_index">Speed index (スピードインデックス)</a></li><li><a href="/ja/docs/Glossary/SQL">SQL</a></li><li><a href="/ja/docs/Glossary/SQL_Injection">SQL Injection (SQL インジェクション)</a></li><li><a href="/ja/docs/Glossary/SRI">SRI</a></li><li><a href="/ja/docs/Glossary/Stacking_context">Stacking context (重ね合わせコンテキスト)</a></li><li><a href="/ja/docs/Glossary/State_machine">State machine</a></li><li><a href="/ja/docs/Glossary/Statement">Statement (文)</a></li><li><a href="/ja/docs/Glossary/Static_method">Static method (静的メソッド)</a></li><li><a href="/ja/docs/Glossary/SSG">Static site generator (SSG)</a></li><li><a href="/ja/docs/Glossary/Static_typing">Static typing (静的型付け)</a></li><li><a href="/ja/docs/Glossary/Sticky_activation">Sticky activation (粘着的な有効化)</a></li><li><a href="/ja/docs/Glossary/Strict_mode">Strict mode (厳格モード)</a></li><li><a href="/ja/docs/Glossary/String">String (文字列)</a></li><li><a href="/ja/docs/Glossary/Stringifier">Stringifier (文字列化子)</a></li><li><a href="/ja/docs/Glossary/STUN">STUN</a></li><li><a href="/ja/docs/Glossary/Style_origin">Style origin (スタイルオリジン)</a></li><li><a href="/ja/docs/Glossary/Stylesheet">Stylesheet (スタイルシート)</a></li><li><a href="/ja/docs/Glossary/Submit_button">Submit button (送信ボタン)</a></li><li><a href="/ja/docs/Glossary/SVG">SVG</a></li><li><a href="/ja/docs/Glossary/SVN">SVN</a></li><li><a href="/ja/docs/Glossary/Symbol">Symbol</a></li><li><a href="/ja/docs/Glossary/Symmetric-key_cryptography">Symmetric-key cryptography (共通鍵暗号)</a></li><li><a href="/ja/docs/Glossary/Synchronous">Synchronous (同期通信方式)</a></li><li><a href="/ja/docs/Glossary/Syntax">Syntax (構文)</a></li><li><a href="/ja/docs/Glossary/Syntax_error">Syntax error (構文エラー)</a></li><li><a href="/ja/docs/Glossary/Synthetic_monitoring">Synthetic monitoring (合成モニタリング)</a></li><li><a href="/ja/docs/Glossary/Table_Grid_Box">Table Grid Box (表グリッドボックス)</a></li><li><a href="/ja/docs/Glossary/Table_Wrapper_Box">Table Wrapper Box (表ラッパーボックス)</a></li><li><a href="/ja/docs/Glossary/Tag">Tag (タグ)</a></li><li><a href="/ja/docs/Glossary/TCP">TCP</a></li><li><a href="/ja/docs/Glossary/TCP_handshake">TCP handshake (TCP ハンドシェイク)</a></li><li><a href="/ja/docs/Glossary/TCP_slow_start">TCP slow start</a></li><li><a href="/ja/docs/Glossary/Telnet">Telnet</a></li><li><a href="/ja/docs/Glossary/Texel">Texel (テクセル)</a></li><li><a href="/ja/docs/Glossary/Khronos">The Khronos Group (クロノス・グループ)</a></li><li><a href="/ja/docs/Glossary/Thread">Thread (スレッド)</a></li><li><a href="/ja/docs/Glossary/Three_js">Three js</a></li><li><a href="/ja/docs/Glossary/Throttle">Throttle (スロットル)</a></li><li><a href="/ja/docs/Glossary/Time_to_first_byte">Time to first byte （最初のバイトまでの時間）</a></li><li><a href="/ja/docs/Glossary/Time_to_interactive">Time to interactive (対話までの時間)</a></li><li><a href="/ja/docs/Glossary/TLD">TLD (トップレベルドメイン)</a></li><li><a href="/ja/docs/Glossary/TOFU">TOFU</a></li><li><a href="/ja/docs/Glossary/Top_layer">Top layer (最上位レイヤー)</a></li><li><a href="/ja/docs/Glossary/Transient_activation">Transient activation (一時的な有効化)</a></li><li><a href="/ja/docs/Glossary/TLS">Transport Layer Security (TLS)</a></li><li><a href="/ja/docs/Glossary/Tree_shaking">Tree shaking</a></li><li><a href="/ja/docs/Glossary/Trident">Trident</a></li><li><a href="/ja/docs/Glossary/Truthy">Truthy (真値)</a></li><li><a href="/ja/docs/Glossary/TTL">TTL</a></li><li><a href="/ja/docs/Glossary/TURN">TURN</a></li><li><a href="/ja/docs/Glossary/Type">Type (型)</a></li><li><a href="/ja/docs/Glossary/Type_coercion">Type coercion (型強制)</a></li><li><a href="/ja/docs/Glossary/Type_Conversion">Type conversion (型変換)</a></li><li><a href="/ja/docs/Glossary/TypeScript">TypeScript</a></li><li><a href="/ja/docs/Glossary/UAAG">UAAG</a></li><li><a href="/ja/docs/Glossary/UDP">UDP (User Datagram Protocol)</a></li><li><a href="/ja/docs/Glossary/UI">UI</a></li><li><a href="/ja/docs/Glossary/Undefined">undefined</a></li><li><a href="/ja/docs/Glossary/Unicode">Unicode</a></li><li><a href="/ja/docs/Glossary/Unix_time">Unix time (UNIX 時間)</a></li><li><a href="/ja/docs/Glossary/URI">URI</a></li><li><a href="/ja/docs/Glossary/URL">URL</a></li><li><a href="/ja/docs/Glossary/URN">URN</a></li><li><a href="/ja/docs/Glossary/Usenet">Usenet</a></li><li><a href="/ja/docs/Glossary/User_agent">User agent (ユーザーエージェント)</a></li><li><a href="/ja/docs/Glossary/UTF-8">UTF-8</a></li><li><a href="/ja/docs/Glossary/UUID">UUID</a></li><li><a href="/ja/docs/Glossary/UX">UX</a></li><li><a href="/ja/docs/Glossary/Validator">Validator (バリデーター)</a></li><li><a href="/ja/docs/Glossary/Value">Value (値)</a></li><li><a href="/ja/docs/Glossary/Variable">Variable (変数)</a></li><li><a href="/ja/docs/Glossary/Vendor_Prefix">Vendor Prefix (ベンダー接頭辞)</a></li><li><a href="/ja/docs/Glossary/Viewport">Viewport (ビューポート)</a></li><li><a href="/ja/docs/Glossary/Visual_Viewport">Visual Viewport (視覚的ビューポート)</a></li><li><a href="/ja/docs/Glossary/Void_element">Void element （空要素）</a></li><li><a href="/ja/docs/Glossary/VoIP">VoIP</a></li><li><a href="/ja/docs/Glossary/W3C">W3C</a></li><li><a href="/ja/docs/Glossary/WAI">WAI</a></li><li><a href="/ja/docs/Glossary/WCAG">WCAG</a></li><li><a href="/ja/docs/Glossary/Web_performance">Web performance (ウェブの性能)</a></li><li><a href="/ja/docs/Glossary/Web_server">Web server (ウェブサーバー)</a></li><li><a href="/ja/docs/Glossary/Web_standards">Web standards (ウェブ標準)</a></li><li><a href="/ja/docs/Glossary/WebAssembly">WebAssembly</a></li><li><a href="/ja/docs/Glossary/WebDAV">WebDAV</a></li><li><a href="/ja/docs/Glossary/WebExtensions">WebExtensions</a></li><li><a href="/ja/docs/Glossary/WebGL">WebGL</a></li><li><a href="/ja/docs/Glossary/WebIDL">WebIDL</a></li><li><a href="/ja/docs/Glossary/WebKit">WebKit</a></li><li><a href="/ja/docs/Glossary/WebM">WebM</a></li><li><a href="/ja/docs/Glossary/WebP">WebP</a></li><li><a href="/ja/docs/Glossary/WebRTC">WebRTC</a></li><li><a href="/ja/docs/Glossary/WebSockets">WebSockets</a></li><li><a href="/ja/docs/Glossary/WebVTT">WebVTT</a></li><li><a href="/ja/docs/Glossary/WHATWG">WHATWG</a></li><li><a href="/ja/docs/Glossary/Whitespace">Whitespace (ホワイトスペース)</a></li><li><a href="/ja/docs/Glossary/WindowProxy">WindowProxy</a></li><li><a href="/ja/docs/Glossary/World_Wide_Web">World Wide Web</a></li><li><a href="/ja/docs/Glossary/Wrapper">Wrapper (ラッパー)</a></li><li><a href="/ja/docs/Glossary/XForms">XForms</a><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li><li><a href="/ja/docs/Glossary/XHTML">XHTML</a></li><li><a href="/ja/docs/Glossary/XInclude">XInclude</a></li><li><a href="/ja/docs/Glossary/XLink">XLink</a></li><li><a href="/ja/docs/Glossary/XML">XML</a></li><li><a href="/ja/docs/Glossary/XMLHttpRequest">XHR (XMLHttpRequest)</a></li><li><a href="/ja/docs/Glossary/XPath">XPath</a></li><li><a href="/ja/docs/Glossary/XQuery">XQuery</a></li><li><a href="/ja/docs/Glossary/XSLT">XSLT</a></li><li><a href="/ja/docs/Glossary/Zstandard_compression">Zstandard compression</a></li></ol> </li> </ol> </div></div><section class="place side"></section></nav></aside><div class="toc-container"><aside class="toc"><nav><div class="document-toc-container"><section class="document-toc"><header><h2 class="document-toc-heading">この記事では</h2></header><ul class="document-toc-list"><li class="document-toc-item "><a class="document-toc-link" href="#より詳しく知る">より詳しく知る</a></li></ul></section></div></nav></aside><section class="place side"></section></div></div><main id="content" class="main-content "><article class="main-page-content" lang="ja"><header><h1>caret (キャレット)</h1></header><div class="section-content"><p><strong>キャレット</strong> (テキストカーソルとも呼ばれる) は、テキスト入力が挿入される場所を示すために画面に表示されるインジケーターです。ほとんどのユーザーインターフェイスは、細い縦線または点滅する文字サイズの四角形を使用してキャレットを表しますが、これはさまざまです。テキスト内のこの位置は<strong>挿入位置</strong>と呼ばれます。「キャレット」という単語は、テキストの挿入位置をマウスカーソル (マウスポインター) と区別するためのものです。</p> <p>ウェブ上では、<a href="/ja/docs/Web/HTML/Element/input"><code><input></code></a> 要素と <a href="/ja/docs/Web/HTML/Element/textarea"><code><textarea></code></a> 要素と、<a href="/ja/docs/Web/HTML/Global_attributes#contenteditable"><code>contenteditable</code></a> 属性が設定されている要素の挿入位置を表すためにキャレットが使用され、要素の内容をユーザーが編集できるようにします。</p></div><section aria-labelledby="より詳しく知る"><h2 id="より詳しく知る"><a href="#より詳しく知る">より詳しく知る</a></h2><div class="section-content"></div></section><section aria-labelledby="一般知識"><h3 id="一般知識"><a href="#一般知識">一般知識</a></h3><div class="section-content"><ul> <li>Wikipedia 上の <a href="https://en.wikipedia.org/wiki/Caret_navigation" class="external" target="_blank">Caret navigation</a>（英語）</li> <li>Wikipedia 上の <a href="https://ja.wikipedia.org/wiki/%E3%82%AD%E3%83%A3%E3%83%AC%E3%83%83%E3%83%88" class="external" target="_blank">キャレット</a></li> </ul></div></section><section aria-labelledby="キャレットに関連する_css"><h3 id="キャレットに関連する_css"><a href="#キャレットに関連する_css">キャレットに関連する CSS</a></h3><div class="section-content"><p>要素の CSS の <a href="/ja/docs/Web/CSS/caret-color"><code>caret-color</code></a> プロパティを適切な <a href="/ja/docs/Web/CSS/color_value"><code><color></code></a> 値に設定することで、特定の要素の編集可能なコンテンツのキャレットの色を設定できます。</p></div></section><section aria-labelledby="キャレットを表示する_html_要素"><h3 id="キャレットを表示する_html_要素"><a href="#キャレットを表示する_html_要素">キャレットを表示する HTML 要素</a></h3><div class="section-content"><p>これらの要素はテキスト入力フィールドまたはボックスを提供し、したがってキャレットを使用します。</p> <ul> <li><a href="/ja/docs/Web/HTML/Element/input/text"><code><input type="text"></code></a></li> <li><a href="/ja/docs/Web/HTML/Element/input/password"><code><input type="password"></code></a></li> <li><a href="/ja/docs/Web/HTML/Element/input/search"><code><input type="search"></code></a></li> <li><a href="/ja/docs/Web/HTML/Element/input/date"><code><input type="date"></code></a>, <a href="/ja/docs/Web/HTML/Element/input/time"><code><input type="time"></code></a>, <a href="/ja/docs/Web/HTML/Element/input/datetime-local"><code><input type="datetime"></code></a>, and <a href="/ja/docs/Web/HTML/Element/input/datetime-local"><code><input type="datetime-local"></code></a></li> <li><a href="/ja/docs/Web/HTML/Element/input/number"><code><input type="number"></code></a>, <a href="/ja/docs/Web/HTML/Element/input/range"><code><input type="range"></code></a></li> <li><a href="/ja/docs/Web/HTML/Element/input/email"><code><input type="email"></code></a>, <a href="/ja/docs/Web/HTML/Element/input/tel"><code><input type="tel"></code></a>, and <a href="/ja/docs/Web/HTML/Element/input/url"><code><input type="url"></code></a></li> <li><a href="/ja/docs/Web/HTML/Element/textarea"><code><textarea></code></a></li> <li><a href="/ja/docs/Web/HTML/Global_attributes#contenteditable"><code>contenteditable</code></a> 属性が設定された要素</li> </ul></div></section></article><aside class="article-footer"><div class="article-footer-inner"><div class="svg-container"><svg xmlns="http://www.w3.org/2000/svg" width="162" height="162" viewBox="0 0 162 162" fill="none" role="none"><mask id="b" fill="#fff"><path d="M97.203 47.04c8.113-7.886 18.004-13.871 28.906-17.492a78 78 0 0 1 33.969-3.39c11.443 1.39 22.401 5.295 32.024 11.411s17.656 14.28 23.476 23.86c5.819 9.579 9.269 20.318 10.083 31.385a69.85 69.85 0 0 1-5.387 32.44c-4.358 10.272-11.115 19.443-19.747 26.801-8.632 7.359-18.908 12.709-30.034 15.637l-6.17-21.698c7.666-2.017 14.746-5.703 20.694-10.773 5.948-5.071 10.603-11.389 13.606-18.467a48.14 48.14 0 0 0 3.712-22.352c-.561-7.625-2.938-15.025-6.948-21.625s-9.544-12.226-16.175-16.44-14.181-6.904-22.065-7.863a53.75 53.75 0 0 0-23.405 2.336c-7.513 2.495-14.327 6.62-19.918 12.053z"></path></mask><path stroke="url(#a)" stroke-dasharray="6, 6" stroke-width="2" d="M97.203 47.04c8.113-7.886 18.004-13.871 28.906-17.492a78 78 0 0 1 33.969-3.39c11.443 1.39 22.401 5.295 32.024 11.411s17.656 14.28 23.476 23.86c5.819 9.579 9.269 20.318 10.083 31.385a69.85 69.85 0 0 1-5.387 32.44c-4.358 10.272-11.115 19.443-19.747 26.801-8.632 7.359-18.908 12.709-30.034 15.637l-6.17-21.698c7.666-2.017 14.746-5.703 20.694-10.773 5.948-5.071 10.603-11.389 13.606-18.467a48.14 48.14 0 0 0 3.712-22.352c-.561-7.625-2.938-15.025-6.948-21.625s-9.544-12.226-16.175-16.44-14.181-6.904-22.065-7.863a53.75 53.75 0 0 0-23.405 2.336c-7.513 2.495-14.327 6.62-19.918 12.053z" mask="url(#b)" style="stroke:url(#a)" transform="translate(-63.992 -25.587)"></path><ellipse cx="8.066" cy="111.597" fill="var(--background-tertiary)" rx="53.677" ry="53.699" transform="matrix(.71707 -.697 .7243 .6895 0 0)"></ellipse><g clip-path="url(#c)" transform="translate(-63.992 -25.587)"><path fill="#9abff5" d="m144.256 137.379 32.906 12.434a4.41 4.41 0 0 1 2.559 5.667l-9.326 24.679a4.41 4.41 0 0 1-5.667 2.559l-8.226-3.108-2.332 6.17c-.466 1.233-.375 1.883-1.609 1.417l-2.253-.527c-.411-.155-.95-.594-1.206-1.161l-4.734-10.484-12.545-4.741a4.41 4.41 0 0 1-2.559-5.667l9.325-24.679a4.41 4.41 0 0 1 5.667-2.559m9.961 29.617 8.227 3.108 3.264-8.638-.498-6.768-4.113-1.555.548 7.258-4.319-1.632zm-12.339-4.663 8.226 3.108 3.264-8.637-.498-6.769-4.113-1.554.548 7.257-4.319-1.632z"></path></g><g clip-path="url(#d)" transform="translate(-63.992 -25.587)"><path fill="#81b0f3" d="M135.35 60.136 86.67 41.654c-3.346-1.27-7.124.428-8.394 3.775L64.414 81.938c-1.27 3.347.428 7.125 3.774 8.395l12.17 4.62-3.465 9.128c-.693 1.826-1.432 2.457.394 3.15l3.014 1.625c.609.231 1.637.274 2.477-.104l15.53-6.983 18.56 7.047c3.346 1.27 7.124-.428 8.395-3.775l13.862-36.51c1.27-3.346-.428-7.124-3.775-8.395M95.261 83.207l-12.17-4.62 4.852-12.779 7.19-7.017 6.085 2.31-7.725 7.51 6.389 2.426zm18.255 6.93-12.17-4.62 4.852-12.778 7.189-7.017 6.085 2.31-7.725 7.51 6.39 2.426z"></path></g><defs><clipPath id="c"><path fill="#fff" d="m198.638 146.586-65.056-24.583-24.583 65.057 65.056 24.582z"></path></clipPath><clipPath id="d"><path fill="#fff" d="m66.438 14.055 96.242 36.54-36.54 96.243-96.243-36.54z"></path></clipPath><linearGradient id="a" x1="97.203" x2="199.995" y1="47.04" y2="152.793" gradientUnits="userSpaceOnUse"><stop stop-color="#086DFC"></stop><stop offset="0.246" stop-color="#2C81FA"></stop><stop offset="0.516" stop-color="#5497F8"></stop><stop offset="0.821" stop-color="#80B0F6"></stop><stop offset="1" stop-color="#9ABFF5"></stop></linearGradient></defs></svg></div><h2>Help improve MDN</h2><fieldset class="feedback"><label>Was this page helpful to you?</label><div class="button-container"><button type="button" class="button primary has-icon yes"><span class="button-wrap"><span class="icon icon-thumbs-up "></span>Yes</span></button><button type="button" class="button primary has-icon no"><span class="button-wrap"><span class="icon icon-thumbs-down "></span>No</span></button></div></fieldset><a class="contribute" href="https://github.com/mdn/translated-content/blob/main/CONTRIBUTING.md" title="This will take you to our contribution guidelines on GitHub." target="_blank" rel="noopener noreferrer">Learn how to contribute</a>.<p class="last-modified-date">This page was last modified on <time dateTime="2023-11-20T14:46:54.000Z">2023年11月20日</time> by <a href="/ja/docs/Glossary/Caret/contributors.txt" rel="nofollow">MDN contributors</a>.</p><div id="on-github" class="on-github"><a href="https://github.com/mdn/translated-content/blob/main/files/ja/glossary/caret/index.md?plain=1" title="Folder: ja/glossary/caret (Opens in a new tab)" target="_blank" rel="noopener noreferrer">View this page on GitHub</a> • <a href="https://github.com/mdn/translated-content/issues/new?template=page-report-ja.yml&mdn-url=https%3A%2F%2Fdeveloper.mozilla.org%2Fja%2Fdocs%2FGlossary%2FCaret&metadata=%3C%21--+Do+not+make+changes+below+this+line+--%3E%0A%3Cdetails%3E%0A%3Csummary%3EPage+report+details%3C%2Fsummary%3E%0A%0A*+Folder%3A+%60ja%2Fglossary%2Fcaret%60%0A*+MDN+URL%3A+https%3A%2F%2Fdeveloper.mozilla.org%2Fja%2Fdocs%2FGlossary%2FCaret%0A*+GitHub+URL%3A+https%3A%2F%2Fgithub.com%2Fmdn%2Ftranslated-content%2Fblob%2Fmain%2Ffiles%2Fja%2Fglossary%2Fcaret%2Findex.md%0A*+Last+commit%3A+https%3A%2F%2Fgithub.com%2Fmdn%2Ftranslated-content%2Fcommit%2F03f71661b8874266190686116550cad80b7c7b80%0A*+Document+last+modified%3A+2023-11-20T14%3A46%3A54.000Z%0A%0A%3C%2Fdetails%3E" title="This will take you to GitHub to file a new issue." target="_blank" rel="noopener noreferrer">Report a problem with this content</a></div></div></aside></main></div></div><footer id="nav-footer" class="page-footer"><div class="page-footer-grid"><div class="page-footer-logo-col"><a href="/" class="mdn-footer-logo" aria-label="MDN homepage"><svg width="48" height="17" viewBox="0 0 48 17" fill="none" xmlns="http://www.w3.org/2000/svg"><title id="mdn-footer-logo-svg">MDN logo</title><path d="M20.04 16.512H15.504V10.416C15.504 9.488 15.344 8.824 15.024 8.424C14.72 8.024 14.264 7.824 13.656 7.824C12.92 7.824 12.384 8.064 12.048 8.544C11.728 9.024 11.568 9.64 11.568 10.392V14.184H13.008V16.512H8.472V10.416C8.472 9.488 8.312 8.824 7.992 8.424C7.688 8.024 7.232 7.824 6.624 7.824C5.872 7.824 5.336 8.064 5.016 8.544C4.696 9.024 4.536 9.64 4.536 10.392V14.184H6.6V16.512H0V14.184H1.44V8.04H0.024V5.688H4.536V7.32C5.224 6.088 6.32 5.472 7.824 5.472C8.608 5.472 9.328 5.664 9.984 6.048C10.64 6.432 11.096 7.016 11.352 7.8C11.992 6.248 13.168 5.472 14.88 5.472C15.856 5.472 16.72 5.776 17.472 6.384C18.224 6.992 18.6 7.936 18.6 9.216V14.184H20.04V16.512Z" fill="currentColor"></path><path d="M33.6714 16.512H29.1354V14.496C28.8314 15.12 28.3834 15.656 27.7914 16.104C27.1994 16.536 26.4154 16.752 25.4394 16.752C24.0154 16.752 22.8954 16.264 22.0794 15.288C21.2634 14.312 20.8554 12.984 20.8554 11.304C20.8554 9.688 21.2554 8.312 22.0554 7.176C22.8554 6.04 24.0634 5.472 25.6794 5.472C26.5594 5.472 27.2794 5.648 27.8394 6C28.3994 6.352 28.8314 6.8 29.1354 7.344V2.352H26.9754V0H32.2314V14.184H33.6714V16.512ZM29.1354 11.04V10.776C29.1354 9.88 28.8954 9.184 28.4154 8.688C27.9514 8.176 27.3674 7.92 26.6634 7.92C25.9754 7.92 25.3674 8.176 24.8394 8.688C24.3274 9.2 24.0714 10.008 24.0714 11.112C24.0714 12.152 24.3114 12.944 24.7914 13.488C25.2714 14.032 25.8394 14.304 26.4954 14.304C27.3114 14.304 27.9514 13.96 28.4154 13.272C28.8954 12.584 29.1354 11.84 29.1354 11.04Z" fill="currentColor"></path><path d="M47.9589 16.512H41.9829V14.184H43.4229V10.416C43.4229 9.488 43.2629 8.824 42.9429 8.424C42.6389 8.024 42.1829 7.824 41.5749 7.824C40.8389 7.824 40.2709 8.056 39.8709 8.52C39.4709 8.968 39.2629 9.56 39.2469 10.296V14.184H40.6869V16.512H34.7109V14.184H36.1509V8.04H34.5909V5.688H39.2469V7.344C39.9669 6.096 41.1269 5.472 42.7269 5.472C43.7509 5.472 44.6389 5.776 45.3909 6.384C46.1429 6.992 46.5189 7.936 46.5189 9.216V14.184H47.9589V16.512Z" fill="currentColor"></path></svg></a><p>Your blueprint for a better internet.</p><ul class="social-icons"><li><a href="https://mozilla.social/@mdn" target="_blank" rel="me noopener noreferrer"><span class="icon icon-mastodon"></span><span class="visually-hidden">MDN on Mastodon</span></a></li><li><a href="https://twitter.com/mozdevnet" target="_blank" rel="noopener noreferrer"><span class="icon icon-twitter-x"></span><span class="visually-hidden">MDN on X (formerly Twitter)</span></a></li><li><a href="https://github.com/mdn/" target="_blank" rel="noopener noreferrer"><span class="icon icon-github-mark-small"></span><span class="visually-hidden">MDN on GitHub</span></a></li><li><a href="/en-US/blog/rss.xml" target="_blank"><span class="icon icon-feed"></span><span class="visually-hidden">MDN Blog RSS Feed</span></a></li></ul></div><div class="page-footer-nav-col-1"><h2 class="footer-nav-heading">MDN</h2><ul class="footer-nav-list"><li class="footer-nav-item"><a href="/en-US/about">About</a></li><li class="footer-nav-item"><a href="/en-US/blog/">Blog</a></li><li class="footer-nav-item"><a href="https://www.mozilla.org/en-US/careers/listings/?team=ProdOps" target="_blank" rel="noopener noreferrer">Careers</a></li><li class="footer-nav-item"><a href="/en-US/advertising">Advertise with us</a></li></ul></div><div class="page-footer-nav-col-2"><h2 class="footer-nav-heading">Support</h2><ul class="footer-nav-list"><li class="footer-nav-item"><a class="footer-nav-link" href="https://support.mozilla.org/products/mdn-plus">Product help</a></li><li class="footer-nav-item"><a class="footer-nav-link" href="/ja/docs/MDN/Community/Issues">Report an issue</a></li></ul></div><div class="page-footer-nav-col-3"><h2 class="footer-nav-heading">Our communities</h2><ul class="footer-nav-list"><li class="footer-nav-item"><a class="footer-nav-link" href="/en-US/community">MDN Community</a></li><li class="footer-nav-item"><a class="footer-nav-link" href="https://discourse.mozilla.org/c/mdn/236" target="_blank" rel="noopener noreferrer">MDN Forum</a></li><li class="footer-nav-item"><a class="footer-nav-link" href="/discord" target="_blank" rel="noopener noreferrer">MDN Chat</a></li></ul></div><div class="page-footer-nav-col-4"><h2 class="footer-nav-heading">Developers</h2><ul class="footer-nav-list"><li class="footer-nav-item"><a class="footer-nav-link" href="/ja/docs/Web">Web Technologies</a></li><li class="footer-nav-item"><a class="footer-nav-link" href="/ja/docs/Learn">Learn Web Development</a></li><li class="footer-nav-item"><a class="footer-nav-link" href="/ja/plus">MDN Plus</a></li><li class="footer-nav-item"><a href="https://hacks.mozilla.org/" target="_blank" rel="noopener noreferrer">Hacks Blog</a></li></ul></div><div class="page-footer-moz"><a href="https://www.mozilla.org/" class="footer-moz-logo-link" target="_blank" rel="noopener noreferrer"><svg width="112" height="32" fill="none" xmlns="http://www.w3.org/2000/svg"><title id="mozilla-footer-logo-svg">Mozilla logo</title><path d="M41.753 14.218c-2.048 0-3.324 1.522-3.324 4.157 0 2.423 1.119 4.286 3.29 4.286 2.082 0 3.447-1.678 3.447-4.347 0-2.826-1.522-4.096-3.413-4.096Zm54.89 7.044c0 .901.437 1.618 1.645 1.618 1.427 0 2.949-1.024 3.044-3.352-.649-.095-1.365-.185-2.02-.185-1.426-.005-2.668.397-2.668 1.92Z" fill="currentColor"></path><path d="M0 0v32h111.908V0H0Zm32.56 25.426h-5.87v-7.884c0-2.423-.806-3.352-2.39-3.352-1.924 0-2.702 1.365-2.702 3.324v4.868h1.864v3.044h-5.864v-7.884c0-2.423-.806-3.352-2.39-3.352-1.924 0-2.702 1.365-2.702 3.324v4.868h2.669v3.044H6.642v-3.044h1.863v-7.918H6.642V11.42h5.864v2.11c.839-1.489 2.3-2.39 4.252-2.39 2.02 0 3.878.963 4.566 3.01.778-1.862 2.361-3.01 4.566-3.01 2.512 0 4.812 1.522 4.812 4.84v6.402h1.863v3.044h-.005Zm9.036.307c-4.314 0-7.296-2.635-7.296-7.106 0-4.096 2.484-7.481 7.514-7.481s7.481 3.38 7.481 7.29c0 4.472-3.228 7.297-7.699 7.297Zm22.578-.307H51.942l-.403-2.11 7.7-8.846h-4.376l-.621 2.17-2.888-.313.498-4.907h12.294l.313 2.11-7.767 8.852h4.533l.654-2.172 3.167.308-.872 4.908Zm7.99 0h-4.191v-5.03h4.19v5.03Zm0-8.976h-4.191v-5.03h4.19v5.03Zm2.618 8.976 6.054-21.358h3.945l-6.054 21.358h-3.945Zm8.136 0 6.048-21.358h3.945l-6.054 21.358h-3.939Zm21.486.307c-1.863 0-2.887-1.085-3.072-2.792-.805 1.427-2.232 2.792-4.498 2.792-2.02 0-4.314-1.085-4.314-4.006 0-3.447 3.323-4.253 6.518-4.253.778 0 1.584.034 2.3.124v-.465c0-1.427-.034-3.133-2.3-3.133-.84 0-1.488.061-2.143.402l-.453 1.578-3.195-.34.549-3.224c2.45-.996 3.692-1.27 5.992-1.27 3.01 0 5.556 1.55 5.556 4.75v6.083c0 .805.314 1.085.963 1.085.184 0 .375-.034.587-.095l.034 2.11a5.432 5.432 0 0 1-2.524.654Z" fill="currentColor"></path></svg></a><ul class="footer-moz-list"><li class="footer-moz-item"><a href="https://www.mozilla.org/privacy/websites/" class="footer-moz-link" target="_blank" rel="noopener noreferrer">Website Privacy Notice</a></li><li class="footer-moz-item"><a href="https://www.mozilla.org/privacy/websites/#cookies" class="footer-moz-link" target="_blank" rel="noopener noreferrer">Cookies</a></li><li class="footer-moz-item"><a href="https://www.mozilla.org/about/legal/terms/mozilla" class="footer-moz-link" target="_blank" rel="noopener noreferrer">Legal</a></li><li class="footer-moz-item"><a href="https://www.mozilla.org/about/governance/policies/participation/" class="footer-moz-link" target="_blank" rel="noopener noreferrer">Community Participation Guidelines</a></li></ul></div><div class="page-footer-legal"><p id="license" class="page-footer-legal-text">Visit <a href="https://www.mozilla.org" target="_blank" rel="noopener noreferrer">Mozilla Corporation’s</a> not-for-profit parent, the <a target="_blank" rel="noopener noreferrer" href="https://foundation.mozilla.org/">Mozilla Foundation</a>.<br/>Portions of this content are ©1998–2024 by individual mozilla.org contributors. Content available under <a href="/ja/docs/MDN/Writing_guidelines/Attrib_copyright_license">a Creative Commons license</a>.</p></div></div></footer></div><script type="application/json" id="hydration">{"url":"/ja/docs/Glossary/Caret","doc":{"isMarkdown":true,"isTranslated":true,"isActive":true,"flaws":{},"title":"caret (キャレット)","mdn_url":"/ja/docs/Glossary/Caret","locale":"ja","native":"日本語","sidebarHTML":"\n <ol>\n <li class=\"section\"><a href=\"/ja/docs/Glossary\">MDN Web Docs 用語集</a></li>\n <li class=\"toggle\">\n <ol><li><a href=\"/ja/docs/Glossary/Abstraction\">Abstraction (抽象化)</a></li><li><a href=\"/ja/docs/Glossary/Accent\">Accent (強調色)</a></li><li><a href=\"/ja/docs/Glossary/Accessibility\">Accessibility (アクセシビリティ)</a></li><li><a href=\"/ja/docs/Glossary/Accessibility_tree\">Accessibility tree (アクセシビリティツリー)</a></li><li><a href=\"/ja/docs/Glossary/Accessible_description\">Accessible description (アクセシブル説明)</a></li><li><a href=\"/ja/docs/Glossary/Accessible_name\">Accessible name (アクセシブル名)</a></li><li><a href=\"/ja/docs/Glossary/Adobe_Flash\">Adobe Flash</a></li><li><a href=\"/ja/docs/Glossary/Advance_measure\">Advance measure (送り幅)</a></li><li><a href=\"/ja/docs/Glossary/AJAX\">AJAX</a></li><li><a href=\"/ja/docs/Glossary/Algorithm\">Algorithm (アルゴリズム)</a></li><li><a href=\"/ja/docs/Glossary/Alignment_Container\">Alignment container (配置コンテナー)</a></li><li><a href=\"/ja/docs/Glossary/Alignment_Subject\">Alignment subject (配置対象物)</a></li><li><a href=\"/ja/docs/Glossary/Alpha\">Alpha (アルファチャンネル)</a></li><li><a href=\"/ja/docs/Glossary/ALPN\">ALPN</a></li><li><a href=\"/ja/docs/Glossary/API\">API</a></li><li><a href=\"/ja/docs/Glossary/Apple_Safari\">Apple Safari</a></li><li><a href=\"/ja/docs/Glossary/Application_context\">Application Context (アプリケーションコンテキスト)</a></li><li><a href=\"/ja/docs/Glossary/Argument\">Argument (実引数)</a></li><li><a href=\"/ja/docs/Glossary/ARIA\">ARIA</a></li><li><a href=\"/ja/docs/Glossary/ARPA\">ARPA</a></li><li><a href=\"/ja/docs/Glossary/Arpanet\">ARPANET</a></li><li><a href=\"/ja/docs/Glossary/Array\">Array (配列)</a></li><li><a href=\"/ja/docs/Glossary/ASCII\">ASCII</a></li><li><a href=\"/ja/docs/Glossary/Aspect_ratio\">Aspect ratio (アスペクト比)</a></li><li><a href=\"/ja/docs/Glossary/Asynchronous\">Asynchronous （非同期）</a></li><li><a href=\"/ja/docs/Glossary/ATAG\">ATAG</a></li><li><a href=\"/ja/docs/Glossary/Attribute\">Attribute (属性)</a></li><li><a href=\"/ja/docs/Glossary/Authentication\">Authentication</a></li><li><a href=\"/ja/docs/Glossary/Authenticator\">Authenticator</a></li><li><a href=\"/ja/docs/Glossary/Bandwidth\">Bandwidth (帯域幅)</a></li><li><a href=\"/ja/docs/Glossary/Base64\">Base64</a></li><li><a href=\"/ja/docs/Glossary/Baseline\">Baseline</a></li><li><a href=\"/ja/docs/Glossary/Beacon\">Beacon (ビーコン)</a></li><li><a href=\"/ja/docs/Glossary/Bezier_curve\">Bézier curve (ベジェ曲線)</a></li><li><a href=\"/ja/docs/Glossary/bfcache\">bfcache</a></li><li><a href=\"/ja/docs/Glossary/BiDi\">BiDi (双方向)</a></li><li><a href=\"/ja/docs/Glossary/BigInt\">BigInt</a></li><li><a href=\"/ja/docs/Glossary/Binding\">Binding （バインド）</a></li><li><a href=\"/ja/docs/Glossary/Bitwise_flags\">Bitwise flags (ビットフラグ)</a></li><li><a href=\"/ja/docs/Glossary/Blink\">Blink</a></li><li><a href=\"/ja/docs/Glossary/blink_element\">blink element (<blink> tag)</a></li><li><a href=\"/ja/docs/Glossary/Block\">Block (ブロック)</a></li><li><a href=\"/ja/docs/Glossary/Block_cipher_mode_of_operation\">Block cipher mode of operation (暗号利用モード)</a></li><li><a href=\"/ja/docs/Glossary/Block-level_content\">Block-level content (ブロックレベルコンテンツ)</a></li><li><a href=\"/ja/docs/Glossary/Boolean\">Boolean</a></li><li><a href=\"/ja/docs/Glossary/Bounding_box\">Bounding Box (バウンディングボックス)</a></li><li><a href=\"/ja/docs/Glossary/Breadcrumb\">Breadcrumb (パンくずリスト)</a></li><li><a href=\"/ja/docs/Glossary/Brotli_compression\">Brotli</a></li><li><a href=\"/ja/docs/Glossary/Browser\">Browser (ブラウザー)</a></li><li><a href=\"/ja/docs/Glossary/Browsing_context\">Browsing context (閲覧コンテキスト)</a></li><li><a href=\"/ja/docs/Glossary/Buffer\">buffer (バッファー)</a></li><li><a href=\"/ja/docs/Glossary/Cache\">Cache(キャッシュ)</a></li><li><a href=\"/ja/docs/Glossary/Cacheable\">Cacheable (キャッシュ可能)</a></li><li><a href=\"/ja/docs/Glossary/CalDAV\">CalDAV</a></li><li><a href=\"/ja/docs/Glossary/Call_stack\">Call stack (コールスタック)</a></li><li><a href=\"/ja/docs/Glossary/Callback_function\">Callback function (コールバック関数)</a></li><li><a href=\"/ja/docs/Glossary/Camel_case\">Camel case (キャメルケース)</a></li><li><a href=\"/ja/docs/Glossary/Canonical_order\">Canonical order (正規順序)</a></li><li><a href=\"/ja/docs/Glossary/Canvas\">Canvas</a></li><li><a href=\"/ja/docs/Glossary/Card_sorting\">Card sorting (カードソート)</a></li><li><a href=\"/ja/docs/Glossary/CardDAV\">CardDAV</a></li><li><em><a href=\"/ja/docs/Glossary/Caret\" aria-current=\"page\">caret (キャレット)</a></em></li><li><a href=\"/ja/docs/Glossary/CDN\">CDN</a></li><li><a href=\"/ja/docs/Glossary/Certificate_authority\">Certificate authority (認証局)</a></li><li><a href=\"/ja/docs/Glossary/Certified\">Certified</a></li><li><a href=\"/ja/docs/Glossary/Challenge\">Challenge-response authentication (チャレンジレスポンス認証)</a></li><li><a href=\"/ja/docs/Glossary/Character\">Character (文字)</a></li><li><a href=\"/ja/docs/Glossary/Character_encoding\">Character encoding (文字エンコーディング)</a></li><li><a href=\"/ja/docs/Glossary/Character_reference\">Character reference</a></li><li><a href=\"/ja/docs/Glossary/Character_set\">Character set (文字コード)</a></li><li><a href=\"/ja/docs/Glossary/Chrome\">Chrome (クローム)</a></li><li><a href=\"/ja/docs/Glossary/CIA\">CIA（Confidentiality, Integrity, Availability）</a></li><li><a href=\"/ja/docs/Glossary/Cipher\">Cipher (サイファー)</a></li><li><a href=\"/ja/docs/Glossary/Cipher_suite\">Cipher suite (暗号スイート)</a></li><li><a href=\"/ja/docs/Glossary/Ciphertext\">Ciphertext (暗号文)</a></li><li><a href=\"/ja/docs/Glossary/Class\">Class (クラス)</a></li><li><a href=\"/ja/docs/Glossary/Clickjacking\">Clickjacking</a></li><li><a href=\"/ja/docs/Glossary/Closure\">Closure (クロージャ)</a></li><li><a href=\"/ja/docs/Glossary/Cloud\">Cloud</a></li><li><a href=\"/ja/docs/Glossary/Cloud_computing\">Cloud computing</a></li><li><a href=\"/ja/docs/Glossary/CMS\">CMS</a></li><li><a href=\"/ja/docs/Glossary/Code_point\">Code point (コードポイント)</a></li><li><a href=\"/ja/docs/Glossary/Code_splitting\">Code splitting (コード分割)</a></li><li><a href=\"/ja/docs/Glossary/Code_unit\">Code unit (コード単位)</a></li><li><a href=\"/ja/docs/Glossary/Codec\">Codec (コーデック)</a></li><li><a href=\"/ja/docs/Glossary/Color_space\">Color space (色空間)</a></li><li><a href=\"/ja/docs/Glossary/Color_wheel\">Color wheel (色相環)</a></li><li><a href=\"/ja/docs/Glossary/Compile\">Compile (コンパイル)</a></li><li><a href=\"/ja/docs/Glossary/Compile_time\">Compile time (コンパイル時間)</a></li><li><a href=\"/ja/docs/Glossary/Composite_operation\">Composite operation (合成演算)</a></li><li><a href=\"/ja/docs/Glossary/Computer_Programming\">Computer Programming (コンピュータープログラミング)</a></li><li><a href=\"/ja/docs/Glossary/Conditional\">Conditional (条件式)</a></li><li><a href=\"/ja/docs/Glossary/Constant\">Constant (定数)</a></li><li><a href=\"/ja/docs/Glossary/Constructor\">Constructor (コンストラクター)</a></li><li><a href=\"/ja/docs/Glossary/Content_header\">Content header (コンテンツヘッダー)</a></li><li><a href=\"/ja/docs/Glossary/Continuous_Media\">Continuous Media (連続的メディア)</a></li><li><a href=\"/ja/docs/Glossary/Control_flow\">Control flow (制御フロー)</a></li><li><a href=\"/ja/docs/Glossary/Cookie\">Cookie</a></li><li><a href=\"/ja/docs/Glossary/Copyleft\">Copyleft (コピーレフト)</a></li><li><a href=\"/ja/docs/Glossary/CORS\">CORS</a></li><li><a href=\"/ja/docs/Glossary/CORS-safelisted_request_header\">CORS-safelisted request header (CORS セーフリストリクエストヘッダー)</a></li><li><a href=\"/ja/docs/Glossary/CORS-safelisted_response_header\">CORS-safelisted response header (CORS セーフリストレスポンスヘッダー)</a></li><li><a href=\"/ja/docs/Glossary/Crawler\">Crawler (クローラー)</a></li><li><a href=\"/ja/docs/Glossary/Credential\">Credential</a></li><li><a href=\"/ja/docs/Glossary/CRLF\">CRLF</a></li><li><a href=\"/ja/docs/Glossary/Cross_Axis\">Cross Axis (交差軸)</a></li><li><a href=\"/ja/docs/Glossary/Cross-site_scripting\">Cross-site scripting (クロスサイトスクリプティング)</a></li><li><a href=\"/ja/docs/Glossary/CRUD\">CRUD</a></li><li><a href=\"/ja/docs/Glossary/Cryptanalysis\">Cryptanalysis (暗号解読)</a></li><li><a href=\"/ja/docs/Glossary/Cryptographic_hash_function\">Cryptographic hash function (暗号学的ハッシュ関数)</a></li><li><a href=\"/ja/docs/Glossary/Cryptography\">Cryptography (暗号学)</a></li><li><a href=\"/ja/docs/Glossary/CSP\">CSP</a></li><li><a href=\"/ja/docs/Glossary/CSRF\">CSRF</a></li><li><a href=\"/ja/docs/Glossary/CSS\">CSS</a></li><li><a href=\"/ja/docs/Glossary/CSSOM\">CSS Object Model (CSSOM)</a></li><li><a href=\"/ja/docs/Glossary/CSS_pixel\">CSS pixel</a></li><li><a href=\"/ja/docs/Glossary/CSS_preprocessor\">CSS preprocessor (CSS プリプロセッサー)</a></li><li><a href=\"/ja/docs/Glossary/CLS\">Cumulative Layout Shift (CLS)</a></li><li><a href=\"/ja/docs/Glossary/Data_structure\">Data structure (データ構造)</a></li><li><a href=\"/ja/docs/Glossary/Database\">Database</a></li><li><a href=\"/ja/docs/Glossary/Debounce\">Debounce (デバウンス)</a></li><li><a href=\"/ja/docs/Glossary/Decryption\">Decryption (復号)</a></li><li><a href=\"/ja/docs/Glossary/Deep_copy\">Deep copy (ディープコピー)</a></li><li><a href=\"/ja/docs/Glossary/Delta\">Delta (デルタ)</a></li><li><a href=\"/ja/docs/Glossary/Denial_of_Service\">Denial of Service (サービス拒否)</a></li><li><a href=\"/ja/docs/Glossary/Deno\">Deno</a></li><li><a href=\"/ja/docs/Glossary/CSS_Descriptor\">Descriptor (CSS) (記述子)</a></li><li><a href=\"/ja/docs/Glossary/Deserialization\">Deserialization (デシリアライズ)</a></li><li><a href=\"/ja/docs/Glossary/Developer_Tools\">Developer Tools (開発者ツール)</a></li><li><a href=\"/ja/docs/Glossary/Digest\">Digest</a></li><li><a href=\"/ja/docs/Glossary/Digital_certificate\">Digital certificate (デジタル証明書)</a></li><li><a href=\"/ja/docs/Glossary/Digital_signature\">Digital signature</a></li><li><a href=\"/ja/docs/Glossary/Distributed_Denial_of_Service\">Distributed Denial of Service</a></li><li><a href=\"/ja/docs/Glossary/DMZ\">DMZ</a></li><li><a href=\"/ja/docs/Glossary/DNS\">DNS</a></li><li><a href=\"/ja/docs/Glossary/Doctype\">Doctype</a></li><li><a href=\"/ja/docs/Glossary/Document_directive\">Document directive (文書ディレクティブ)</a></li><li><a href=\"/ja/docs/Glossary/Document_environment\">Document environment (文書環境)</a></li><li><a href=\"/ja/docs/Glossary/DOM\">DOM (Document Object Model)</a></li><li><a href=\"/ja/docs/Glossary/Domain\">Domain (ドメイン)</a></li><li><a href=\"/ja/docs/Glossary/Domain_name\">Domain name (ドメイン名)</a></li><li><a href=\"/ja/docs/Glossary/Domain_sharding\">Domain sharding (ドメインシャーディング)</a></li><li><a href=\"/ja/docs/Glossary/Dominator\">Dominator (ドミネーター)</a></li><li><a href=\"/ja/docs/Glossary/DOS_attack\">DoS attack (DoS 攻撃)</a></li><li><a href=\"/ja/docs/Glossary/DSL\">DSL</a></li><li><a href=\"/ja/docs/Glossary/DTLS\">DTLS (Datagram Transport Layer Security)</a></li><li><a href=\"/ja/docs/Glossary/DTMF\">DTMF (Dual-Tone Multi-Frequency signaling)</a></li><li><a href=\"/ja/docs/Glossary/Dynamic_typing\">Dynamic typing (動的型付け)</a></li><li><a href=\"/ja/docs/Glossary/ECMA\">ECMA</a></li><li><a href=\"/ja/docs/Glossary/ECMAScript\">ECMAScript</a></li><li><a href=\"/ja/docs/Glossary/Effective_connection_type\">Effective connection type (有効接続種別)</a></li><li><a href=\"/ja/docs/Glossary/Element\">Element (要素)</a></li><li><a href=\"/ja/docs/Glossary/Encapsulation\">Encapsulation (カプセル化)</a></li><li><a href=\"/ja/docs/Glossary/Encryption\">Encryption (暗号化)</a></li><li><a href=\"/ja/docs/Glossary/Endianness\">Endianness (エンディアン)</a></li><li><a href=\"/ja/docs/Glossary/Engine\">Engine</a></li><li><a href=\"/ja/docs/Glossary/Entity\">Entity (エンティティ)</a></li><li><a href=\"/ja/docs/Glossary/Entity_header\">Entity header (エンティティヘッダー)</a></li><li><a href=\"/ja/docs/Glossary/Enumerated\">Enumerated (列挙型)</a></li><li><a href=\"/ja/docs/Glossary/eTLD\">eTLD</a></li><li><a href=\"/ja/docs/Glossary/Event\">Event (イベント)</a></li><li><a href=\"/ja/docs/Glossary/Exception\">Exception (例外)</a></li><li><a href=\"/ja/docs/Glossary/EXIF\">EXIF</a></li><li><a href=\"/ja/docs/Glossary/Expando\">Expando</a></li><li><a href=\"/ja/docs/Glossary/Fallback_Alignment\">Fallback alignment (代替配置)</a></li><li><a href=\"/ja/docs/Glossary/Falsy\">Falsy (偽値)</a></li><li><a href=\"/ja/docs/Glossary/Favicon\">Favicon (ファビコン)</a></li><li><a href=\"/ja/docs/Glossary/Federated_identity\">Federated identity</a></li><li><a href=\"/ja/docs/Glossary/Fetch_directive\">Fetch directive (フェッチディレクティブ)</a></li><li><a href=\"/ja/docs/Glossary/Fetch_metadata_request_header\">Fetch metadata request header (フェッチメタデータリクエストヘッダー)</a></li><li><a href=\"/ja/docs/Glossary/Fingerprinting\">Fingerprinting (フィンガープリンティング)</a></li><li><a href=\"/ja/docs/Glossary/Firefox_OS\">Firefox OS</a></li><li><a href=\"/ja/docs/Glossary/Firewall\">firewall (ファイアウォール)</a></li><li><a href=\"/ja/docs/Glossary/First_contentful_paint\">First contentful paint</a></li><li><a href=\"/ja/docs/Glossary/First_CPU_idle\">First CPU idle (最初の CPU アイドル)</a></li><li><a href=\"/ja/docs/Glossary/First_input_delay\">First Input Delay (FID)</a><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li><li><a href=\"/ja/docs/Glossary/First_meaningful_paint\">First Meaningful Paint</a></li><li><a href=\"/ja/docs/Glossary/First_paint\">First paint</a></li><li><a href=\"/ja/docs/Glossary/First-class_Function\">First-class Function (第一級関数)</a></li><li><a href=\"/ja/docs/Glossary/Flex\">Flex</a></li><li><a href=\"/ja/docs/Glossary/Flex_Container\">Flex Container (フレックスコンテナー)</a></li><li><a href=\"/ja/docs/Glossary/Flex_Item\">Flex Item (フレックスアイテム)</a></li><li><a href=\"/ja/docs/Glossary/Flexbox\">Flexbox (フレックスボックス)</a></li><li><a href=\"/ja/docs/Glossary/Flow_relative_values\">Flow relative values</a></li><li><a href=\"/ja/docs/Glossary/Forbidden_header_name\">Forbidden header name (禁止ヘッダー名)</a></li><li><a href=\"/ja/docs/Glossary/Forbidden_response_header_name\">Forbidden response header name (禁止レスンポンスヘッダー名)</a></li><li><a href=\"/ja/docs/Glossary/Fork\">Fork (フォーク)</a></li><li><a href=\"/ja/docs/Glossary/Fragmentainer\">Fragmentainer</a></li><li><a href=\"/ja/docs/Glossary/FPS\">frame rate (フレームレート, FPS)</a></li><li><a href=\"/ja/docs/Glossary/FTP\">FTP</a></li><li><a href=\"/ja/docs/Glossary/FTU\">FTU</a></li><li><a href=\"/ja/docs/Glossary/Function\">Function (関数)</a></li><li><a href=\"/ja/docs/Glossary/Fuzzing\">Fuzz testing (ファズテスティング)</a></li><li><a href=\"/ja/docs/Glossary/Gamut\">Gamut (色域)</a></li><li><a href=\"/ja/docs/Glossary/Garbage_collection\">Garbage collection (ガベージコレクション)</a></li><li><a href=\"/ja/docs/Glossary/Gecko\">Gecko</a></li><li><a href=\"/ja/docs/Glossary/General_header\">General header (一般ヘッダー)</a></li><li><a href=\"/ja/docs/Glossary/GIF\">GIF</a></li><li><a href=\"/ja/docs/Glossary/Git\">Git</a></li><li><a href=\"/ja/docs/Glossary/Global_object\">Global object (グローバルオブジェクト)</a></li><li><a href=\"/ja/docs/Glossary/Global_scope\">Global scope (グローバルスコープ)</a></li><li><a href=\"/ja/docs/Glossary/Global_variable\">Global variable (グローバル変数)</a></li><li><a href=\"/ja/docs/Glossary/Glyph\">Glyph (字体)</a></li><li><a href=\"/ja/docs/Glossary/Google_Chrome\">Google Chrome</a></li><li><a href=\"/ja/docs/Glossary/GPL\">GPL</a></li><li><a href=\"/ja/docs/Glossary/GPU\">GPU</a></li><li><a href=\"/ja/docs/Glossary/Graceful_degradation\">Graceful degradation (グレースフルデグラデーション)</a></li><li><a href=\"/ja/docs/Glossary/Grid\">Grid (グリッド)</a></li><li><a href=\"/ja/docs/Glossary/Grid_Areas\">Grid Areas (グリッド領域)</a></li><li><a href=\"/ja/docs/Glossary/Grid_Axis\">Grid Axis (グリッド軸)</a></li><li><a href=\"/ja/docs/Glossary/Grid_Cell\">Grid Cell (グリッドセル)</a></li><li><a href=\"/ja/docs/Glossary/Grid_Column\">Grid Column (グリッド列)</a></li><li><a href=\"/ja/docs/Glossary/Grid_Container\">Grid container</a></li><li><a href=\"/ja/docs/Glossary/Grid_Lines\">Grid Line (グリッド線)</a></li><li><a href=\"/ja/docs/Glossary/Grid_Row\">Grid Row (グリッド行)</a></li><li><a href=\"/ja/docs/Glossary/Grid_Tracks\">Grid Track (グリッドトラック)</a></li><li><a href=\"/ja/docs/Glossary/Gutters\">Gutter (溝)</a></li><li><a href=\"/ja/docs/Glossary/gzip_compression\">gzip compression (gzip 圧縮)</a></li><li><a href=\"/ja/docs/Glossary/Hash\">Hash (ハッシュ)</a></li><li><a href=\"/ja/docs/Glossary/Head\">Head</a></li><li><a href=\"/ja/docs/Glossary/High-level_programming_language\">High-level programming language (高水準言語)</a></li><li><a href=\"/ja/docs/Glossary/HMAC\">HMAC</a></li><li><a href=\"/ja/docs/Glossary/Hoisting\">Hoisting (巻き上げ、ホイスティング)</a></li><li><a href=\"/ja/docs/Glossary/Host\">Host (ホスト)</a></li><li><a href=\"/ja/docs/Glossary/Hotlink\">Hotlink (直リンク)</a></li><li><a href=\"/ja/docs/Glossary/Houdini\">Houdini</a></li><li><a href=\"/ja/docs/Glossary/HPKP\">HPKP</a></li><li><a href=\"/ja/docs/Glossary/HSTS\">HSTS</a></li><li><a href=\"/ja/docs/Glossary/HTML\">HTML</a></li><li><a href=\"/ja/docs/Glossary/html_color_codes\">HTML color codes</a></li><li><a href=\"/ja/docs/Glossary/HTML5\">HTML5</a></li><li><a href=\"/ja/docs/Glossary/HTTP\">HTTP</a></li><li><a href=\"/ja/docs/Glossary/HTTP_Content\">HTTP Content (HTTP コンテンツ)</a></li><li><a href=\"/ja/docs/Glossary/HTTP_header\">HTTP header (HTTP ヘッダー)</a></li><li><a href=\"/ja/docs/Glossary/HTTP_2\">HTTP/2</a></li><li><a href=\"/ja/docs/Glossary/HTTP_3\">HTTP/3</a></li><li><a href=\"/ja/docs/Glossary/HTTPS\">HTTPS</a></li><li><a href=\"/ja/docs/Glossary/HTTPS_RR\">HTTPS RR</a></li><li><a href=\"/ja/docs/Glossary/Hyperlink\">Hyperlink (ハイパーリンク)</a></li><li><a href=\"/ja/docs/Glossary/Hypertext\">Hypertext (ハイパーテキスト)</a></li><li><a href=\"/ja/docs/Glossary/IANA\">IANA</a></li><li><a href=\"/ja/docs/Glossary/ICANN\">ICANN</a></li><li><a href=\"/ja/docs/Glossary/ICE\">ICE</a></li><li><a href=\"/ja/docs/Glossary/IDE\">IDE (統合開発環境)</a></li><li><a href=\"/ja/docs/Glossary/Idempotent\">Idempotent (べき等)</a></li><li><a href=\"/ja/docs/Glossary/Identifier\">Identifier (識別子)</a></li><li><a href=\"/ja/docs/Glossary/Identity_provider\">Identity provider (IdP)</a></li><li><a href=\"/ja/docs/Glossary/IDL\">IDL (インターフェイス記述言語)</a></li><li><a href=\"/ja/docs/Glossary/IETF\">IETF</a></li><li><a href=\"/ja/docs/Glossary/IIFE\">IIFE (即時実行関数式)</a></li><li><a href=\"/ja/docs/Glossary/IMAP\">IMAP</a></li><li><a href=\"/ja/docs/Glossary/Immutable\">Immutable (不変)</a></li><li><a href=\"/ja/docs/Glossary/IndexedDB\">IndexedDB</a></li><li><a href=\"/ja/docs/Glossary/Information_architecture\">Information architecture (情報アーキテクチャ)</a></li><li><a href=\"/ja/docs/Glossary/Inheritance\">Inheritance (継承)</a></li><li><a href=\"/ja/docs/Glossary/Ink_overflow\">Ink overflow (インクオーバーフロー)</a></li><li><a href=\"/ja/docs/Glossary/Inline-level_content\">Inline-level content (インラインレベルコンテンツ)</a></li><li><a href=\"/ja/docs/Glossary/Input_method_editor\">Input method editor (インプットメソッドエディター)</a></li><li><a href=\"/ja/docs/Glossary/Inset_properties\">Inset properties (インセットプロパティ)</a></li><li><a href=\"/ja/docs/Glossary/Instance\">Instance (インスタンス)</a></li><li><a href=\"/ja/docs/Glossary/Interaction_to_next_paint\">Interaction to Next Paint (INP)</a></li><li><a href=\"/ja/docs/Glossary/Internationalization\">Internationalization (i18n) （国際化対応）</a></li><li><a href=\"/ja/docs/Glossary/Internet\">Internet (インターネット)</a></li><li><a href=\"/ja/docs/Glossary/Interpolation\">Interpolation (補間)</a></li><li><a href=\"/ja/docs/Glossary/Intrinsic_Size\">Intrinsic size (内在サイズ)</a></li><li><a href=\"/ja/docs/Glossary/IP_Address\">IP Address (IPアドレス)</a></li><li><a href=\"/ja/docs/Glossary/IPv4\">IPv4</a></li><li><a href=\"/ja/docs/Glossary/IPv6\">IPv6</a></li><li><a href=\"/ja/docs/Glossary/IRC\">IRC</a></li><li><a href=\"/ja/docs/Glossary/ISO\">ISO (国際標準化機構)</a></li><li><a href=\"/ja/docs/Glossary/ISP\">ISP</a></li><li><a href=\"/ja/docs/Glossary/ITU\">ITU (国際電気通信連合)</a></li><li><a href=\"/ja/docs/Glossary/Jank\">Jank (ジャンク)</a></li><li><a href=\"/ja/docs/Glossary/Java\">Java</a></li><li><a href=\"/ja/docs/Glossary/JavaScript\">JavaScript</a></li><li><a href=\"/ja/docs/Glossary/Jitter\">Jitter</a></li><li><a href=\"/ja/docs/Glossary/JPEG\">JPEG</a></li><li><a href=\"/ja/docs/Glossary/JSON\">JSON</a></li><li><a href=\"/ja/docs/Glossary/JSON_type_representation\">JSON type representation</a></li><li><a href=\"/ja/docs/Glossary/Kebab_case\">Kebab case (ケバブケース)</a></li><li><a href=\"/ja/docs/Glossary/Key\">Key (暗号鍵)</a></li><li><a href=\"/ja/docs/Glossary/Keyword\">Keyword (キーワード)</a></li><li><a href=\"/ja/docs/Glossary/Largest_contentful_paint\">Largest contentful paint</a></li><li><a href=\"/ja/docs/Glossary/Latency\">Latency(レイテンシー)</a></li><li><a href=\"/ja/docs/Glossary/Layout_viewport\">Layout viewport</a></li><li><a href=\"/ja/docs/Glossary/Lazy_load\">Lazy load (遅延読み込み)</a></li><li><a href=\"/ja/docs/Glossary/LGPL\">LGPL</a></li><li><a href=\"/ja/docs/Glossary/Ligature\">Ligature (合字)</a></li><li><a href=\"/ja/docs/Glossary/Literal\">Literal (リテラル)</a></li><li><a href=\"/ja/docs/Glossary/Local_scope\">Local scope (ローカルスコープ)</a></li><li><a href=\"/ja/docs/Glossary/Local_variable\">Local variable (ローカル変数)</a></li><li><a href=\"/ja/docs/Glossary/Locale\">Locale (ロケール)</a></li><li><a href=\"/ja/docs/Glossary/Localization\">Localization (ローカライゼーション)</a></li><li><a href=\"/ja/docs/Glossary/Logical_properties\">Logical properties</a></li><li><a href=\"/ja/docs/Glossary/Long_task\">Long task (ロングタスク)</a></li><li><a href=\"/ja/docs/Glossary/Loop\">Loop (ループ)</a></li><li><a href=\"/ja/docs/Glossary/Lossless_compression\">Lossless compression (可逆圧縮)</a></li><li><a href=\"/ja/docs/Glossary/Lossy_compression\">Lossy compression (非可逆圧縮)</a></li><li><a href=\"/ja/docs/Glossary/LTR\">LTR (左書き)</a></li><li><a href=\"/ja/docs/Glossary/Main_Axis\">Main Axis (主軸)</a></li><li><a href=\"/ja/docs/Glossary/Main_thread\">Main thread (メインスレッド)</a></li><li><a href=\"/ja/docs/Glossary/Markup\">markup (マークアップ)</a></li><li><a href=\"/ja/docs/Glossary/MathML\">MathML</a></li><li><a href=\"/ja/docs/Glossary/Media\">Media (メディア)</a></li><li><a href=\"/ja/docs/Glossary/Media_query\">Media query (メディアクエリー)</a></li><li><a href=\"/ja/docs/Glossary/Metadata\">Metadata (メタデータ)</a></li><li><a href=\"/ja/docs/Glossary/Method\">Method (メソッド)</a></li><li><a href=\"/ja/docs/Glossary/Microsoft_Edge\">Microsoft Edge</a></li><li><a href=\"/ja/docs/Glossary/Microsoft_Internet_Explorer\">Microsoft Internet Explorer</a></li><li><a href=\"/ja/docs/Glossary/Middleware\">Middleware (ミドルウェア)</a></li><li><a href=\"/ja/docs/Glossary/MIME\">mime</a></li><li><a href=\"/ja/docs/Glossary/MIME_type\">MIME type (MIMEタイプ)</a></li><li><a href=\"/ja/docs/Glossary/Minification\">minification</a></li><li><a href=\"/ja/docs/Glossary/MitM\">MitM (中間者攻撃)</a></li><li><a href=\"/ja/docs/Glossary/Mixin\">Mixin (ミックスイン)</a></li><li><a href=\"/ja/docs/Glossary/Mobile_First\">Mobile First (モバイルファースト)</a></li><li><a href=\"/ja/docs/Glossary/Modem\">Modem (モデム)</a></li><li><a href=\"/ja/docs/Glossary/Modularity\">Modularity (モジュール性)</a></li><li><a href=\"/ja/docs/Glossary/Mozilla_Firefox\">Mozilla Firefox</a></li><li><a href=\"/ja/docs/Glossary/Mutable\">Mutable (ミュータブル)</a></li><li><a href=\"/ja/docs/Glossary/MVC\">MVC</a></li><li><a href=\"/ja/docs/Glossary/Namespace\">Namespace (名前空間)</a></li><li><a href=\"/ja/docs/Glossary/NaN\">NaN (非数)</a></li><li><a href=\"/ja/docs/Glossary/NAT\">NAT</a></li><li><a href=\"/ja/docs/Glossary/Native\">Native (ネイティブ)</a></li><li><a href=\"/ja/docs/Glossary/Navigation_directive\">Navigation directive (ナビゲーションディレクティブ)</a></li><li><a href=\"/ja/docs/Glossary/Netscape_Navigator\">Netscape Navigator</a></li><li><a href=\"/ja/docs/Glossary/Network_throttling\">Network throttling (ネットワークスロットリング)</a></li><li><a href=\"/ja/docs/Glossary/NNTP\">NNTP</a></li><li><a href=\"/ja/docs/Glossary/Node\">Node</a></li><li><a href=\"/ja/docs/Glossary/Node.js\">Node.js</a></li><li><a href=\"/ja/docs/Glossary/Non-normative\">non-normative</a></li><li><a href=\"/ja/docs/Glossary/Normative\">Normative</a></li><li><a href=\"/ja/docs/Glossary/Null\">Null</a></li><li><a href=\"/ja/docs/Glossary/Nullish\">Nullish value</a></li><li><a href=\"/ja/docs/Glossary/Number\">Number</a></li><li><a href=\"/ja/docs/Glossary/Object\">Object (オブジェクト)</a></li><li><a href=\"/ja/docs/Glossary/Object_reference\">Object reference (オブジェクト参照)</a></li><li><a href=\"/ja/docs/Glossary/OOP\">OOP (オブジェクト指向プログラミング)</a></li><li><a href=\"/ja/docs/Glossary/OpenGL\">OpenGL</a></li><li><a href=\"/ja/docs/Glossary/OpenSSL\">OpenSSL</a></li><li><a href=\"/ja/docs/Glossary/Opera_Browser\">Opera Browser</a></li><li><a href=\"/ja/docs/Glossary/Operand\">Operand (オペランド)</a></li><li><a href=\"/ja/docs/Glossary/Operator\">Operator (演算子)</a></li><li><a href=\"/ja/docs/Glossary/Origin\">Origin (オリジン)</a></li><li><a href=\"/ja/docs/Glossary/OTA\">OTA</a></li><li><a href=\"/ja/docs/Glossary/OWASP\">OWASP</a></li><li><a href=\"/ja/docs/Glossary/P2P\">P2P (ピアーツーピアー)</a></li><li><a href=\"/ja/docs/Glossary/PAC\">PAC</a></li><li><a href=\"/ja/docs/Glossary/Packet\">Packet (パケット)</a></li><li><a href=\"/ja/docs/Glossary/Page_load_time\">Page load time (ページ読み込み時間)</a></li><li><a href=\"/ja/docs/Glossary/Page_prediction\">Page prediction</a></li><li><a href=\"/ja/docs/Glossary/Parameter\">Parameter (仮引数)</a></li><li><a href=\"/ja/docs/Glossary/Parent_object\">Parent object (親オブジェクト)</a></li><li><a href=\"/ja/docs/Glossary/Parse\">Parse (構文解析)</a></li><li><a href=\"/ja/docs/Glossary/Parser\">Parser (パーサー)</a></li><li><a href=\"/ja/docs/Glossary/Payload_body\">Payload body</a></li><li><a href=\"/ja/docs/Glossary/Payload_header\">Payload header (ペイロードヘッダー)</a></li><li><a href=\"/ja/docs/Glossary/PDF\">PDF</a></li><li><a href=\"/ja/docs/Glossary/Perceived_performance\">Perceived performance (知覚的パフォーマンス)</a></li><li><a href=\"/ja/docs/Glossary/Percent-encoding\">Percent-encoding (パーセントエンコーディング)</a></li><li><a href=\"/ja/docs/Glossary/PHP\">PHP</a></li><li><a href=\"/ja/docs/Glossary/Physical_properties\">Physical properties (物理プロパティ)</a></li><li><a href=\"/ja/docs/Glossary/Pixel\">Pixel (ピクセル)</a></li><li><a href=\"/ja/docs/Glossary/Placeholder_names\">Placeholder names</a></li><li><a href=\"/ja/docs/Glossary/Plaintext\">Plaintext (平文)</a></li><li><a href=\"/ja/docs/Glossary/Plugin\">Plugin (プラグイン)</a></li><li><a href=\"/ja/docs/Glossary/PNG\">PNG</a></li><li><a href=\"/ja/docs/Glossary/Polyfill\">Polyfill (ポリフィル)</a></li><li><a href=\"/ja/docs/Glossary/Polymorphism\">Polymorphism (多態性)</a></li><li><a href=\"/ja/docs/Glossary/POP\">POP3</a></li><li><a href=\"/ja/docs/Glossary/Port\">Port (ポート)</a></li><li><a href=\"/ja/docs/Glossary/Prefetch\">Prefetch (先読み)</a></li><li><a href=\"/ja/docs/Glossary/Preflight_request\">Preflight request (プリフライトリクエスト)</a></li><li><a href=\"/ja/docs/Glossary/Prerender\">Prerender</a></li><li><a href=\"/ja/docs/Glossary/Presto\">Presto</a></li><li><a href=\"/ja/docs/Glossary/Primitive\">Primitive (プリミティブ)</a></li><li><a href=\"/ja/docs/Glossary/Privileged\">Privileged</a></li><li><a href=\"/ja/docs/Glossary/Privileged_code\">Privileged code (特権コード)</a></li><li><a href=\"/ja/docs/Glossary/Progressive_Enhancement\">Progressive Enhancement (プログレッシブエンハンスメント)</a></li><li><a href=\"/ja/docs/Glossary/Progressive_web_apps\">Progressive web apps (プログレッシブウェブアプリ)</a></li><li><a href=\"/ja/docs/Glossary/Promise\">Promise (プロミス)</a></li><li><a href=\"/ja/docs/Glossary/Property\">Property (プロパティ)</a></li><li><a href=\"/ja/docs/Glossary/Protocol\">Protocol (プロトコル)</a></li><li><a href=\"/ja/docs/Glossary/Prototype\">Prototype</a></li><li><a href=\"/ja/docs/Glossary/Prototype-based_programming\">Prototype-based programming (プロトタイプベースプログラミング)</a></li><li><a href=\"/ja/docs/Glossary/Proxy_server\">Proxy server (プロキシーサーバー)</a></li><li><a href=\"/ja/docs/Glossary/Pseudo-class\">Pseudo-class</a></li><li><a href=\"/ja/docs/Glossary/Pseudo-element\">Pseudo-element (擬似要素)</a></li><li><a href=\"/ja/docs/Glossary/Pseudocode\">Pseudocode (擬似コード)</a></li><li><a href=\"/ja/docs/Glossary/Public-key_cryptography\">Public-key cryptography (公開鍵暗号)</a></li><li><a href=\"/ja/docs/Glossary/Python\">Python</a></li><li><a href=\"/ja/docs/Glossary/Quality_values\">Quality values (品質値)</a></li><li><a href=\"/ja/docs/Glossary/Quaternion\">Quaternion (四元数)</a></li><li><a href=\"/ja/docs/Glossary/QUIC\">QUIC</a></li><li><a href=\"/ja/docs/Glossary/RAIL\">RAIL</a></li><li><a href=\"/ja/docs/Glossary/RNG\">Random Number Generator (乱数発生器)</a></li><li><a href=\"/ja/docs/Glossary/Raster_image\">ラスターイメージ (Raster Image)</a></li><li><a href=\"/ja/docs/Glossary/Rate_limit\">Rate limit (レート制限)</a></li><li><a href=\"/ja/docs/Glossary/RDF\">RDF</a></li><li><a href=\"/ja/docs/Glossary/Real_User_Monitoring\">Real User Monitoring（RUM）</a></li><li><a href=\"/ja/docs/Glossary/Recursion\">Recursion (再帰)</a></li><li><a href=\"/ja/docs/Glossary/Reflow\">Reflow (再フロー)</a></li><li><a href=\"/ja/docs/Glossary/Regular_expression\">Regular expression (正規表現)</a></li><li><a href=\"/ja/docs/Glossary/Relying_party\">Relying party</a></li><li><a href=\"/ja/docs/Glossary/Render_blocking\">Render-blocking (レンダーブロッキング)</a></li><li><a href=\"/ja/docs/Glossary/Repaint\">Repaint (再描画)</a></li><li><a href=\"/ja/docs/Glossary/Replay_attack\">Replay attack</a></li><li><a href=\"/ja/docs/Glossary/Repo\">Repo (リポジトリー)</a></li><li><a href=\"/ja/docs/Glossary/Reporting_directive\">Reporting directive (報告ディレクティブ)</a></li><li><a href=\"/ja/docs/Glossary/Representation_header\">Representation header (表現ヘッダー)</a></li><li><a href=\"/ja/docs/Glossary/Request_header\">Request header (リクエストヘッダー)</a></li><li><a href=\"/ja/docs/Glossary/Resource_Timing\">Resource Timing</a></li><li><a href=\"/ja/docs/Glossary/Response_header\">Response header (レスポンスヘッダー)</a></li><li><a href=\"/ja/docs/Glossary/Responsive_web_design\">Responsive web design (レスポンシブウェブデザイン)</a></li><li><a href=\"/ja/docs/Glossary/REST\">REST</a></li><li><a href=\"/ja/docs/Glossary/RGB\">RGB</a></li><li><a href=\"/ja/docs/Glossary/RIL\">RIL</a></li><li><a href=\"/ja/docs/Glossary/Robots.txt\">Robots.txt</a></li><li><a href=\"/ja/docs/Glossary/Round_Trip_Time\">Round Trip Time (ラウンドトリップタイム)</a></li><li><a href=\"/ja/docs/Glossary/Router\">Router (ルーター)</a></li><li><a href=\"/ja/docs/Glossary/RSS\">RSS</a></li><li><a href=\"/ja/docs/Glossary/Rsync\">Rsync</a></li><li><a href=\"/ja/docs/Glossary/RTCP\">RTCP (RTP Control Protocol)</a></li><li><a href=\"/ja/docs/Glossary/RTF\">RTF</a></li><li><a href=\"/ja/docs/Glossary/RTL\">RTL (右書き)</a></li><li><a href=\"/ja/docs/Glossary/RTP\">RTP (Real-time Transport Protocol) and SRTP (Secure RTP)</a></li><li><a href=\"/ja/docs/Glossary/RTSP\">RTSP: Real-time streaming protocol</a></li><li><a href=\"/ja/docs/Glossary/Ruby\">Ruby</a></li><li><a href=\"/ja/docs/Glossary/Safe\">Safe (安全)</a></li><li><a href=\"/ja/docs/Glossary/Salt\">Salt</a></li><li><a href=\"/ja/docs/Glossary/Same-origin_policy\">Same-origin policy (同一オリジンポリシー)</a></li><li><a href=\"/ja/docs/Glossary/SCM\">SCM</a></li><li><a href=\"/ja/docs/Glossary/Scope\">Scope (スコープ)</a></li><li><a href=\"/ja/docs/Glossary/Screen_reader\">Screen reader (スクリーンリーダー)</a></li><li><a href=\"/ja/docs/Glossary/Script-supporting_element\">Script-supporting element (スクリプト対応要素)</a></li><li><a href=\"/ja/docs/Glossary/Scroll_boundary\">Scroll boundary （スクロール境界）</a></li><li><a href=\"/ja/docs/Glossary/Scroll_chaining\">Scroll chaining （スクロール連鎖）</a></li><li><a href=\"/ja/docs/Glossary/Scroll_container\">Scroll container (スクロールコンテナー)</a></li><li><a href=\"/ja/docs/Glossary/Scroll_snap\">Scroll snap</a></li><li><a href=\"/ja/docs/Glossary/SCTP\">SCTP</a></li><li><a href=\"/ja/docs/Glossary/SDK\">SDK (Software Development Kit)</a></li><li><a href=\"/ja/docs/Glossary/SDP\">SDP</a></li><li><a href=\"/ja/docs/Glossary/Search_engine\">Search engine (検索エンジン)</a></li><li><a href=\"/ja/docs/Glossary/Secure_Context\">Secure Context (安全なコンテキスト)</a></li><li><a href=\"/ja/docs/Glossary/SSL\">SSL</a></li><li><a href=\"/ja/docs/Glossary/CSS_Selector\">Selector (セレクター) (CSS)</a></li><li><a href=\"/ja/docs/Glossary/Self-Executing_Anonymous_Function\">Self-Executing Anonymous Function (自己実行無名関数)</a></li><li><a href=\"/ja/docs/Glossary/Semantics\">Semantics (セマンティクス)</a></li><li><a href=\"/ja/docs/Glossary/SEO\">SEO</a></li><li><a href=\"/ja/docs/Glossary/Serializable_object\">Serializable object （シリアライズ可能オブジェクト）</a></li><li><a href=\"/ja/docs/Glossary/Serialization\">Serialization (シリアライズ)</a></li><li><a href=\"/ja/docs/Glossary/Server\">Server (サーバー)</a></li><li><a href=\"/ja/docs/Glossary/Server_Timing\">Server Timing</a></li><li><a href=\"/ja/docs/Glossary/Session_Hijacking\">Session Hijacking</a></li><li><a href=\"/ja/docs/Glossary/SGML\">SGML</a></li><li><a href=\"/ja/docs/Glossary/Shadow_tree\">Shadow tree (シャドウツリー)</a></li><li><a href=\"/ja/docs/Glossary/Shallow_copy\">Shallow copy (シャローコピー)</a></li><li><a href=\"/ja/docs/Glossary/Shim\">Shim (シム)</a></li><li><a href=\"/ja/docs/Glossary/Signature\">Signature (シグネチャ)</a></li><li><a href=\"/ja/docs/Glossary/SIMD\">SIMD</a></li><li><a href=\"/ja/docs/Glossary/SISD\">SISD</a></li><li><a href=\"/ja/docs/Glossary/Site\">Site (サイト)</a></li><li><a href=\"/ja/docs/Glossary/Site_map\">Site map (サイトマップ)</a></li><li><a href=\"/ja/docs/Glossary/SLD\">SLD</a></li><li><a href=\"/ja/docs/Glossary/Sloppy_mode\">Sloppy モード</a></li><li><a href=\"/ja/docs/Glossary/Slug\">Slug (スラグ)</a></li><li><a href=\"/ja/docs/Glossary/Smoke_Test\">Smoke Test (スモークテスト)</a></li><li><a href=\"/ja/docs/Glossary/SMPTE\">SMPTE (Society of Motion Picture and Television Engineers)</a></li><li><a href=\"/ja/docs/Glossary/SMTP\">SMTP</a></li><li><a href=\"/ja/docs/Glossary/Snake_case\">Snake case (スネークケース)</a></li><li><a href=\"/ja/docs/Glossary/Snap_positions\">Snap positions</a></li><li><a href=\"/ja/docs/Glossary/SOAP\">SOAP</a></li><li><a href=\"/ja/docs/Glossary/SPA\">SPA (単一ページアプリケーション)</a></li><li><a href=\"/ja/docs/Glossary/Specification\">Specification</a></li><li><a href=\"/ja/docs/Glossary/Speculative_parsing\">Speculative parsing (投機的解析)</a></li><li><a href=\"/ja/docs/Glossary/Speed_index\">Speed index (スピードインデックス)</a></li><li><a href=\"/ja/docs/Glossary/SQL\">SQL</a></li><li><a href=\"/ja/docs/Glossary/SQL_Injection\">SQL Injection (SQL インジェクション)</a></li><li><a href=\"/ja/docs/Glossary/SRI\">SRI</a></li><li><a href=\"/ja/docs/Glossary/Stacking_context\">Stacking context (重ね合わせコンテキスト)</a></li><li><a href=\"/ja/docs/Glossary/State_machine\">State machine</a></li><li><a href=\"/ja/docs/Glossary/Statement\">Statement (文)</a></li><li><a href=\"/ja/docs/Glossary/Static_method\">Static method (静的メソッド)</a></li><li><a href=\"/ja/docs/Glossary/SSG\">Static site generator (SSG)</a></li><li><a href=\"/ja/docs/Glossary/Static_typing\">Static typing (静的型付け)</a></li><li><a href=\"/ja/docs/Glossary/Sticky_activation\">Sticky activation (粘着的な有効化)</a></li><li><a href=\"/ja/docs/Glossary/Strict_mode\">Strict mode (厳格モード)</a></li><li><a href=\"/ja/docs/Glossary/String\">String (文字列)</a></li><li><a href=\"/ja/docs/Glossary/Stringifier\">Stringifier (文字列化子)</a></li><li><a href=\"/ja/docs/Glossary/STUN\">STUN</a></li><li><a href=\"/ja/docs/Glossary/Style_origin\">Style origin (スタイルオリジン)</a></li><li><a href=\"/ja/docs/Glossary/Stylesheet\">Stylesheet (スタイルシート)</a></li><li><a href=\"/ja/docs/Glossary/Submit_button\">Submit button (送信ボタン)</a></li><li><a href=\"/ja/docs/Glossary/SVG\">SVG</a></li><li><a href=\"/ja/docs/Glossary/SVN\">SVN</a></li><li><a href=\"/ja/docs/Glossary/Symbol\">Symbol</a></li><li><a href=\"/ja/docs/Glossary/Symmetric-key_cryptography\">Symmetric-key cryptography (共通鍵暗号)</a></li><li><a href=\"/ja/docs/Glossary/Synchronous\">Synchronous (同期通信方式)</a></li><li><a href=\"/ja/docs/Glossary/Syntax\">Syntax (構文)</a></li><li><a href=\"/ja/docs/Glossary/Syntax_error\">Syntax error (構文エラー)</a></li><li><a href=\"/ja/docs/Glossary/Synthetic_monitoring\">Synthetic monitoring (合成モニタリング)</a></li><li><a href=\"/ja/docs/Glossary/Table_Grid_Box\">Table Grid Box (表グリッドボックス)</a></li><li><a href=\"/ja/docs/Glossary/Table_Wrapper_Box\">Table Wrapper Box (表ラッパーボックス)</a></li><li><a href=\"/ja/docs/Glossary/Tag\">Tag (タグ)</a></li><li><a href=\"/ja/docs/Glossary/TCP\">TCP</a></li><li><a href=\"/ja/docs/Glossary/TCP_handshake\">TCP handshake (TCP ハンドシェイク)</a></li><li><a href=\"/ja/docs/Glossary/TCP_slow_start\">TCP slow start</a></li><li><a href=\"/ja/docs/Glossary/Telnet\">Telnet</a></li><li><a href=\"/ja/docs/Glossary/Texel\">Texel (テクセル)</a></li><li><a href=\"/ja/docs/Glossary/Khronos\">The Khronos Group (クロノス・グループ)</a></li><li><a href=\"/ja/docs/Glossary/Thread\">Thread (スレッド)</a></li><li><a href=\"/ja/docs/Glossary/Three_js\">Three js</a></li><li><a href=\"/ja/docs/Glossary/Throttle\">Throttle (スロットル)</a></li><li><a href=\"/ja/docs/Glossary/Time_to_first_byte\">Time to first byte （最初のバイトまでの時間）</a></li><li><a href=\"/ja/docs/Glossary/Time_to_interactive\">Time to interactive (対話までの時間)</a></li><li><a href=\"/ja/docs/Glossary/TLD\">TLD (トップレベルドメイン)</a></li><li><a href=\"/ja/docs/Glossary/TOFU\">TOFU</a></li><li><a href=\"/ja/docs/Glossary/Top_layer\">Top layer (最上位レイヤー)</a></li><li><a href=\"/ja/docs/Glossary/Transient_activation\">Transient activation (一時的な有効化)</a></li><li><a href=\"/ja/docs/Glossary/TLS\">Transport Layer Security (TLS)</a></li><li><a href=\"/ja/docs/Glossary/Tree_shaking\">Tree shaking</a></li><li><a href=\"/ja/docs/Glossary/Trident\">Trident</a></li><li><a href=\"/ja/docs/Glossary/Truthy\">Truthy (真値)</a></li><li><a href=\"/ja/docs/Glossary/TTL\">TTL</a></li><li><a href=\"/ja/docs/Glossary/TURN\">TURN</a></li><li><a href=\"/ja/docs/Glossary/Type\">Type (型)</a></li><li><a href=\"/ja/docs/Glossary/Type_coercion\">Type coercion (型強制)</a></li><li><a href=\"/ja/docs/Glossary/Type_Conversion\">Type conversion (型変換)</a></li><li><a href=\"/ja/docs/Glossary/TypeScript\">TypeScript</a></li><li><a href=\"/ja/docs/Glossary/UAAG\">UAAG</a></li><li><a href=\"/ja/docs/Glossary/UDP\">UDP (User Datagram Protocol)</a></li><li><a href=\"/ja/docs/Glossary/UI\">UI</a></li><li><a href=\"/ja/docs/Glossary/Undefined\">undefined</a></li><li><a href=\"/ja/docs/Glossary/Unicode\">Unicode</a></li><li><a href=\"/ja/docs/Glossary/Unix_time\">Unix time (UNIX 時間)</a></li><li><a href=\"/ja/docs/Glossary/URI\">URI</a></li><li><a href=\"/ja/docs/Glossary/URL\">URL</a></li><li><a href=\"/ja/docs/Glossary/URN\">URN</a></li><li><a href=\"/ja/docs/Glossary/Usenet\">Usenet</a></li><li><a href=\"/ja/docs/Glossary/User_agent\">User agent (ユーザーエージェント)</a></li><li><a href=\"/ja/docs/Glossary/UTF-8\">UTF-8</a></li><li><a href=\"/ja/docs/Glossary/UUID\">UUID</a></li><li><a href=\"/ja/docs/Glossary/UX\">UX</a></li><li><a href=\"/ja/docs/Glossary/Validator\">Validator (バリデーター)</a></li><li><a href=\"/ja/docs/Glossary/Value\">Value (値)</a></li><li><a href=\"/ja/docs/Glossary/Variable\">Variable (変数)</a></li><li><a href=\"/ja/docs/Glossary/Vendor_Prefix\">Vendor Prefix (ベンダー接頭辞)</a></li><li><a href=\"/ja/docs/Glossary/Viewport\">Viewport (ビューポート)</a></li><li><a href=\"/ja/docs/Glossary/Visual_Viewport\">Visual Viewport (視覚的ビューポート)</a></li><li><a href=\"/ja/docs/Glossary/Void_element\">Void element （空要素）</a></li><li><a href=\"/ja/docs/Glossary/VoIP\">VoIP</a></li><li><a href=\"/ja/docs/Glossary/W3C\">W3C</a></li><li><a href=\"/ja/docs/Glossary/WAI\">WAI</a></li><li><a href=\"/ja/docs/Glossary/WCAG\">WCAG</a></li><li><a href=\"/ja/docs/Glossary/Web_performance\">Web performance (ウェブの性能)</a></li><li><a href=\"/ja/docs/Glossary/Web_server\">Web server (ウェブサーバー)</a></li><li><a href=\"/ja/docs/Glossary/Web_standards\">Web standards (ウェブ標準)</a></li><li><a href=\"/ja/docs/Glossary/WebAssembly\">WebAssembly</a></li><li><a href=\"/ja/docs/Glossary/WebDAV\">WebDAV</a></li><li><a href=\"/ja/docs/Glossary/WebExtensions\">WebExtensions</a></li><li><a href=\"/ja/docs/Glossary/WebGL\">WebGL</a></li><li><a href=\"/ja/docs/Glossary/WebIDL\">WebIDL</a></li><li><a href=\"/ja/docs/Glossary/WebKit\">WebKit</a></li><li><a href=\"/ja/docs/Glossary/WebM\">WebM</a></li><li><a href=\"/ja/docs/Glossary/WebP\">WebP</a></li><li><a href=\"/ja/docs/Glossary/WebRTC\">WebRTC</a></li><li><a href=\"/ja/docs/Glossary/WebSockets\">WebSockets</a></li><li><a href=\"/ja/docs/Glossary/WebVTT\">WebVTT</a></li><li><a href=\"/ja/docs/Glossary/WHATWG\">WHATWG</a></li><li><a href=\"/ja/docs/Glossary/Whitespace\">Whitespace (ホワイトスペース)</a></li><li><a href=\"/ja/docs/Glossary/WindowProxy\">WindowProxy</a></li><li><a href=\"/ja/docs/Glossary/World_Wide_Web\">World Wide Web</a></li><li><a href=\"/ja/docs/Glossary/Wrapper\">Wrapper (ラッパー)</a></li><li><a href=\"/ja/docs/Glossary/XForms\">XForms</a><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li><li><a href=\"/ja/docs/Glossary/XHTML\">XHTML</a></li><li><a href=\"/ja/docs/Glossary/XInclude\">XInclude</a></li><li><a href=\"/ja/docs/Glossary/XLink\">XLink</a></li><li><a href=\"/ja/docs/Glossary/XML\">XML</a></li><li><a href=\"/ja/docs/Glossary/XMLHttpRequest\">XHR (XMLHttpRequest)</a></li><li><a href=\"/ja/docs/Glossary/XPath\">XPath</a></li><li><a href=\"/ja/docs/Glossary/XQuery\">XQuery</a></li><li><a href=\"/ja/docs/Glossary/XSLT\">XSLT</a></li><li><a href=\"/ja/docs/Glossary/Zstandard_compression\">Zstandard compression</a></li></ol>\n </li>\n </ol>\n","sidebarMacro":"GlossarySidebar","body":[{"type":"prose","value":{"id":null,"title":null,"isH3":false,"content":"<p><strong>キャレット</strong> (テキストカーソルとも呼ばれる) は、テキスト入力が挿入される場所を示すために画面に表示されるインジケーターです。ほとんどのユーザーインターフェイスは、細い縦線または点滅する文字サイズの四角形を使用してキャレットを表しますが、これはさまざまです。テキスト内のこの位置は<strong>挿入位置</strong>と呼ばれます。「キャレット」という単語は、テキストの挿入位置をマウスカーソル (マウスポインター) と区別するためのものです。</p>\n<p>ウェブ上では、<a href=\"/ja/docs/Web/HTML/Element/input\"><code><input></code></a> 要素と <a href=\"/ja/docs/Web/HTML/Element/textarea\"><code><textarea></code></a> 要素と、<a href=\"/ja/docs/Web/HTML/Global_attributes#contenteditable\"><code>contenteditable</code></a> 属性が設定されている要素の挿入位置を表すためにキャレットが使用され、要素の内容をユーザーが編集できるようにします。</p>"}},{"type":"prose","value":{"id":"より詳しく知る","title":"より詳しく知る","isH3":false,"content":""}},{"type":"prose","value":{"id":"一般知識","title":"一般知識","isH3":true,"content":"<ul>\n <li>Wikipedia 上の <a href=\"https://en.wikipedia.org/wiki/Caret_navigation\" class=\"external\" target=\"_blank\">Caret navigation</a>（英語）</li>\n <li>Wikipedia 上の <a href=\"https://ja.wikipedia.org/wiki/%E3%82%AD%E3%83%A3%E3%83%AC%E3%83%83%E3%83%88\" class=\"external\" target=\"_blank\">キャレット</a></li>\n</ul>"}},{"type":"prose","value":{"id":"キャレットに関連する_css","title":"キャレットに関連する CSS","isH3":true,"content":"<p>要素の CSS の <a href=\"/ja/docs/Web/CSS/caret-color\"><code>caret-color</code></a> プロパティを適切な <a href=\"/ja/docs/Web/CSS/color_value\"><code><color></code></a> 値に設定することで、特定の要素の編集可能なコンテンツのキャレットの色を設定できます。</p>"}},{"type":"prose","value":{"id":"キャレットを表示する_html_要素","title":"キャレットを表示する HTML 要素","isH3":true,"content":"<p>これらの要素はテキスト入力フィールドまたはボックスを提供し、したがってキャレットを使用します。</p>\n<ul>\n <li><a href=\"/ja/docs/Web/HTML/Element/input/text\"><code><input type=\"text\"></code></a></li>\n <li><a href=\"/ja/docs/Web/HTML/Element/input/password\"><code><input type=\"password\"></code></a></li>\n <li><a href=\"/ja/docs/Web/HTML/Element/input/search\"><code><input type=\"search\"></code></a></li>\n <li><a href=\"/ja/docs/Web/HTML/Element/input/date\"><code><input type=\"date\"></code></a>, <a href=\"/ja/docs/Web/HTML/Element/input/time\"><code><input type=\"time\"></code></a>, <a href=\"/ja/docs/Web/HTML/Element/input/datetime-local\"><code><input type=\"datetime\"></code></a>, and <a href=\"/ja/docs/Web/HTML/Element/input/datetime-local\"><code><input type=\"datetime-local\"></code></a></li>\n <li><a href=\"/ja/docs/Web/HTML/Element/input/number\"><code><input type=\"number\"></code></a>, <a href=\"/ja/docs/Web/HTML/Element/input/range\"><code><input type=\"range\"></code></a></li>\n <li><a href=\"/ja/docs/Web/HTML/Element/input/email\"><code><input type=\"email\"></code></a>, <a href=\"/ja/docs/Web/HTML/Element/input/tel\"><code><input type=\"tel\"></code></a>, and <a href=\"/ja/docs/Web/HTML/Element/input/url\"><code><input type=\"url\"></code></a></li>\n <li><a href=\"/ja/docs/Web/HTML/Element/textarea\"><code><textarea></code></a></li>\n <li><a href=\"/ja/docs/Web/HTML/Global_attributes#contenteditable\"><code>contenteditable</code></a> 属性が設定された要素</li>\n</ul>"}}],"toc":[{"text":"より詳しく知る","id":"より詳しく知る"}],"summary":"キャレット (テキストカーソルとも呼ばれる) は、テキスト入力が挿入される場所を示すために画面に表示されるインジケーターです。ほとんどのユーザーインターフェイスは、細い縦線または点滅する文字サイズの四角形を使用してキャレットを表しますが、これはさまざまです。テキスト内のこの位置は挿入位置と呼ばれます。「キャレット」という単語は、テキストの挿入位置をマウスカーソル (マウスポインター) と区別するためのものです。","popularity":0,"modified":"2023-11-20T14:46:54.000Z","other_translations":[{"locale":"de","title":"Caret","native":"Deutsch"},{"locale":"en-US","title":"Caret","native":"English (US)"},{"locale":"fr","title":"Curseur \"caret\"","native":"Français"},{"locale":"ko","title":"캐럿 (Caret)","native":"한국어"},{"locale":"pt-BR","title":"caret","native":"Português (do Brasil)"},{"locale":"zh-CN","title":"插入符","native":"中文 (简体)"}],"pageType":"unknown","source":{"folder":"ja/glossary/caret","github_url":"https://github.com/mdn/translated-content/blob/main/files/ja/glossary/caret/index.md","last_commit_url":"https://github.com/mdn/translated-content/commit/03f71661b8874266190686116550cad80b7c7b80","filename":"index.md"},"short_title":"caret (キャレット)","parents":[{"uri":"/ja/docs/Glossary","title":"MDN Web Docs 用語集"},{"uri":"/ja/docs/Glossary/Caret","title":"caret (キャレット)"}],"pageTitle":"caret (キャレット) - MDN Web Docs 用語集: ウェブ関連用語の定義 | MDN","noIndexing":false}}</script></body></html>