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>HTMLInputElement - Web API | MDN</title><link rel="alternate" title="HTMLInputElement" href="https://developer.mozilla.org/en-US/docs/Web/API/HTMLInputElement" hrefLang="en"/><link rel="alternate" title="HTMLInputElement" href="https://developer.mozilla.org/de/docs/Web/API/HTMLInputElement" hrefLang="de"/><link rel="alternate" title="HTMLInputElement" href="https://developer.mozilla.org/es/docs/Web/API/HTMLInputElement" hrefLang="es"/><link rel="alternate" title="HTMLInputElement" href="https://developer.mozilla.org/fr/docs/Web/API/HTMLInputElement" hrefLang="fr"/><link rel="alternate" title="HTMLInputElement" href="https://developer.mozilla.org/ja/docs/Web/API/HTMLInputElement" hrefLang="ja"/><link rel="alternate" title="HTMLInputElement" href="https://developer.mozilla.org/pt-BR/docs/Web/API/HTMLInputElement" hrefLang="pt"/><link rel="alternate" title="HTMLInputElement" href="https://developer.mozilla.org/zh-CN/docs/Web/API/HTMLInputElement" hrefLang="zh"/><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="HTMLInputElement 接口提供了特定的属性和方法，用于管理 <input> 元素的选项、布局和外观。"/><meta property="og:url" content="https://developer.mozilla.org/zh-CN/docs/Web/API/HTMLInputElement"/><meta property="og:title" content="HTMLInputElement - Web API | MDN"/><meta property="og:type" content="website"/><meta property="og:locale" content="zh_CN"/><meta property="og:description" content="HTMLInputElement 接口提供了特定的属性和方法，用于管理 <input> 元素的选项、布局和外观。"/><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/zh-CN/docs/Web/API/HTMLInputElement"/><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.74ff3ab6.js"></script><link href="/static/css/main.bb0aeb15.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 category-api 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="/zh-CN/" 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 active"><button type="button" id="references-button" class="top-level-entry menu-toggle" aria-controls="references-menu" aria-expanded="false">References</button><a href="/zh-CN/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="/zh-CN/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="/zh-CN/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="/zh-CN/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="/zh-CN/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="/zh-CN/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="/zh-CN/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="/zh-CN/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=" "><a href="/zh-CN/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">Build web projects usable for all</p></div></a></li><li class="apis-link-container desktop-only "><a href="/zh-CN/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="learn-button" class="top-level-entry menu-toggle" aria-controls="learn-menu" aria-expanded="false">Learn</button><a href="/zh-CN/docs/Learn_web_development" class="top-level-entry">Learn</a><ul id="learn-menu" class="submenu learn hidden inline-submenu-lg" aria-labelledby="learn-button"><li class="apis-link-container mobile-only "><a href="/zh-CN/docs/Learn_web_development" 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="/zh-CN/docs/Learn_web_development" 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="/zh-CN/docs/Learn_web_development/Core/Structuring_content" 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="/zh-CN/docs/Learn_web_development/Core/Styling_basics" 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="/zh-CN/docs/Learn_web_development/Core/Scripting" 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="/zh-CN/docs/Learn_web_development/Core/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="/zh-CN/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="/zh-CN/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="/zh-CN/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="/zh-CN/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="/zh-CN/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="/zh-CN/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=%2Fzh-CN%2Fdocs%2FWeb%2FAPI%2FHTMLInputElement" class="login-link" rel="nofollow">Log in</a></li><li><a href="/users/fxa/login/authenticate/?next=%2Fzh-CN%2Fdocs%2FWeb%2FAPI%2FHTMLInputElement" 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="/zh-CN/docs/Web" class="breadcrumb" property="item" typeof="WebPage"><span property="name">面向开发者的 Web 技术</span></a><meta property="position" content="1"/></li><li property="itemListElement" typeof="ListItem"><a href="/zh-CN/docs/Web/API" class="breadcrumb" property="item" typeof="WebPage"><span property="name">Web API</span></a><meta property="position" content="2"/></li><li property="itemListElement" typeof="ListItem"><a href="/zh-CN/docs/Web/API/HTMLInputElement" class="breadcrumb-current-page" property="item" typeof="WebPage"><span property="name">HTMLInputElement</span></a><meta property="position" content="3"/></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>中文 (简体)</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="en-US" href="/en-US/docs/Web/API/HTMLInputElement" class="button submenu-item"><span>English (US)</span></a></li><li class=" "><a data-locale="de" href="/de/docs/Web/API/HTMLInputElement" 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="es" href="/es/docs/Web/API/HTMLInputElement" class="button submenu-item"><span>Español</span></a></li><li class=" "><a data-locale="fr" href="/fr/docs/Web/API/HTMLInputElement" class="button submenu-item"><span>Français</span></a></li><li class=" "><a data-locale="ja" href="/ja/docs/Web/API/HTMLInputElement" class="button submenu-item"><span>日本語</span></a></li><li class=" "><a data-locale="pt-BR" href="/pt-BR/docs/Web/API/HTMLInputElement" class="button submenu-item"><span>Português (do Brasil)</span></a></li></ul></div></div></li></ul></div></div></div></div><div class="container"><div class="notecard localized-content-note"><p><a href="/zh-CN/docs/MDN/Community/Contributing/Translated_content#活跃语言">此页面由社区从英文翻译而来。了解更多并加入 MDN Web Docs 社区。</a></p></div></div><div class="main-wrapper"><div class="sidebar-container"><aside id="sidebar-quicklinks" class="sidebar"><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">在本文中</h2></header><ul class="document-toc-list"><li class="document-toc-item "><a class="document-toc-link" href="#实例属性">实例属性</a></li><li class="document-toc-item "><a class="document-toc-link" href="#实例方法">实例方法</a></li><li class="document-toc-item "><a class="document-toc-link" href="#事件">事件</a></li><li class="document-toc-item "><a class="document-toc-link" href="#规范">规范</a></li><li class="document-toc-item "><a class="document-toc-link" href="#浏览器兼容性">浏览器兼容性</a></li><li class="document-toc-item "><a class="document-toc-link" href="#参见">参见</a></li></ul></section></div></div><div class="sidebar-body"><ol><li class="section"><a href="/zh-CN/docs/Web/API/HTML_DOM_API">HTML DOM API</a></li><li class="section"><em><a href="/zh-CN/docs/Web/API/HTMLInputElement" aria-current="page"><code>HTMLInputElement</code></a></em></li><li class="toggle"><details open=""><summary>实例属性</summary><ol><li><a href="/en-US/docs/Web/API/HTMLInputElement/accept" class="only-in-en-us"><code>accept</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/alt" class="only-in-en-us"><code>alt</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/autocomplete" class="only-in-en-us"><code>autocomplete</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/capture" class="only-in-en-us"><code>capture</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/checked" class="only-in-en-us"><code>checked</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/defaultChecked" class="only-in-en-us"><code>defaultChecked</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/defaultValue" class="only-in-en-us"><code>defaultValue</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/disabled" class="only-in-en-us"><code>disabled</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/files" class="only-in-en-us"><code>files</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/form" class="only-in-en-us"><code>form</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/formAction" class="only-in-en-us"><code>formAction</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/formEnctype" class="only-in-en-us"><code>formEnctype</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/formMethod" class="only-in-en-us"><code>formMethod</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/formNoValidate" class="only-in-en-us"><code>formNoValidate</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/formTarget" class="only-in-en-us"><code>formTarget</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/height" class="only-in-en-us"><code>height</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/indeterminate" class="only-in-en-us"><code>indeterminate</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLInputElement/labels"><code>labels</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/list" class="only-in-en-us"><code>list</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/max" class="only-in-en-us"><code>max</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/maxLength" class="only-in-en-us"><code>maxLength</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/min" class="only-in-en-us"><code>min</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/minLength" class="only-in-en-us"><code>minLength</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLInputElement/multiple"><code>multiple</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/name" class="only-in-en-us"><code>name</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/pattern" class="only-in-en-us"><code>pattern</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/placeholder" class="only-in-en-us"><code>placeholder</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/popoverTargetAction" class="only-in-en-us"><code>popoverTargetAction</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/popoverTargetElement" class="only-in-en-us"><code>popoverTargetElement</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/readOnly" class="only-in-en-us"><code>readOnly</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/required" class="only-in-en-us"><code>required</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/selectionDirection" class="only-in-en-us"><code>selectionDirection</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/selectionEnd" class="only-in-en-us"><code>selectionEnd</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/selectionStart" class="only-in-en-us"><code>selectionStart</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/size" class="only-in-en-us"><code>size</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/src" class="only-in-en-us"><code>src</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/step" class="only-in-en-us"><code>step</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/type" class="only-in-en-us"><code>type</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/validationMessage" class="only-in-en-us"><code>validationMessage</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/validity" class="only-in-en-us"><code>validity</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/value" class="only-in-en-us"><code>value</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/valueAsDate" class="only-in-en-us"><code>valueAsDate</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/valueAsNumber" class="only-in-en-us"><code>valueAsNumber</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLInputElement/webkitdirectory"><code>webkitdirectory</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/webkitEntries" class="only-in-en-us"><code>webkitEntries</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/width" class="only-in-en-us"><code>width</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/willValidate" class="only-in-en-us"><code>willValidate</code></a></li></ol></details></li><li class="toggle"><details open=""><summary>实例方法</summary><ol><li><a href="/en-US/docs/Web/API/HTMLInputElement/checkValidity" class="only-in-en-us"><code>checkValidity()</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/reportValidity" class="only-in-en-us"><code>reportValidity()</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLInputElement/select"><code>select()</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/setCustomValidity" class="only-in-en-us"><code>setCustomValidity()</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/setRangeText" class="only-in-en-us"><code>setRangeText()</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLInputElement/setSelectionRange"><code>setSelectionRange()</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLInputElement/showPicker"><code>showPicker()</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/stepDown" class="only-in-en-us"><code>stepDown()</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/stepUp" class="only-in-en-us"><code>stepUp()</code></a></li></ol></details></li><li class="toggle"><details open=""><summary>事件</summary><ol><li><a href="/en-US/docs/Web/API/HTMLInputElement/cancel_event" class="only-in-en-us"><code>cancel</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLInputElement/invalid_event"><code>invalid</code></a></li><li><a href="/en-US/docs/Web/API/HTMLInputElement/search_event" class="only-in-en-us"><code>search</code></a><abbr class="icon icon-nonstandard" title="非标准。请在使用前检查跨浏览器支持。"> <span class="visually-hidden">非标准</span> </abbr></li><li><a href="/zh-CN/docs/Web/API/HTMLInputElement/select_event"><code>select</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLInputElement/selectionchange_event"><code>selectionchange</code></a><abbr class="icon icon-experimental" title="实验性。预期行为可能会在未来发生变更。"> <span class="visually-hidden">实验性</span> </abbr></li></ol></details></li><li class="toggle"><details open=""><summary>继承</summary><ol><li><a href="/zh-CN/docs/Web/API/HTMLElement"><code>HTMLElement</code></a></li><li><a href="/zh-CN/docs/Web/API/Element"><code>Element</code></a></li><li><a href="/zh-CN/docs/Web/API/Node"><code>Node</code></a></li><li><a href="/zh-CN/docs/Web/API/EventTarget"><code>EventTarget</code></a></li></ol></details></li><li class="toggle"><details open=""><summary>HTML DOM 的相关页面</summary><ol><li><a href="/zh-CN/docs/Web/API/BeforeUnloadEvent"><code>BeforeUnloadEvent</code></a></li><li><a href="/zh-CN/docs/Web/API/DOMStringMap"><code>DOMStringMap</code></a></li><li><a href="/zh-CN/docs/Web/API/ErrorEvent"><code>ErrorEvent</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLAnchorElement"><code>HTMLAnchorElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLAreaElement"><code>HTMLAreaElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLAudioElement"><code>HTMLAudioElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLBRElement"><code>HTMLBRElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLBaseElement"><code>HTMLBaseElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLBodyElement"><code>HTMLBodyElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLButtonElement"><code>HTMLButtonElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLCanvasElement"><code>HTMLCanvasElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLDListElement"><code>HTMLDListElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLDataElement"><code>HTMLDataElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLDataListElement"><code>HTMLDataListElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLDialogElement"><code>HTMLDialogElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLDivElement"><code>HTMLDivElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLDocument"><code>HTMLDocument</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLElement"><code>HTMLElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLEmbedElement"><code>HTMLEmbedElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLFieldSetElement"><code>HTMLFieldSetElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLFormControlsCollection"><code>HTMLFormControlsCollection</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLFormElement"><code>HTMLFormElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLFrameSetElement"><code>HTMLFrameSetElement</code></a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/API/HTMLHRElement"><code>HTMLHRElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLHeadElement"><code>HTMLHeadElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLHeadingElement"><code>HTMLHeadingElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLHtmlElement"><code>HTMLHtmlElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLIFrameElement"><code>HTMLIFrameElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLImageElement"><code>HTMLImageElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLLIElement"><code>HTMLLIElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLLabelElement"><code>HTMLLabelElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLLegendElement"><code>HTMLLegendElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLLinkElement"><code>HTMLLinkElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLMapElement"><code>HTMLMapElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLMediaElement"><code>HTMLMediaElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLMenuElement"><code>HTMLMenuElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLMetaElement"><code>HTMLMetaElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLMeterElement"><code>HTMLMeterElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLModElement"><code>HTMLModElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLOListElement"><code>HTMLOListElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLObjectElement"><code>HTMLObjectElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLOptGroupElement"><code>HTMLOptGroupElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLOptionElement"><code>HTMLOptionElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLOptionsCollection"><code>HTMLOptionsCollection</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLOutputElement"><code>HTMLOutputElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLParagraphElement"><code>HTMLParagraphElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLPictureElement"><code>HTMLPictureElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLPreElement"><code>HTMLPreElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLProgressElement"><code>HTMLProgressElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLQuoteElement"><code>HTMLQuoteElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLScriptElement"><code>HTMLScriptElement</code></a></li><li><a href="/en-US/docs/Web/API/HTMLSelectElement" class="only-in-en-us"><code>HTMLSelectElement</code></a></li><li><a href="/en-US/docs/Web/API/HTMLSourceElement" class="only-in-en-us"><code>HTMLSourceElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLSpanElement"><code>HTMLSpanElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLStyleElement"><code>HTMLStyleElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLTableCaptionElement"><code>HTMLTableCaptionElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLTableCellElement"><code>HTMLTableCellElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLTableColElement"><code>HTMLTableColElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLTableElement"><code>HTMLTableElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLTableRowElement"><code>HTMLTableRowElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLTableSectionElement"><code>HTMLTableSectionElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLTemplateElement"><code>HTMLTemplateElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLTextAreaElement"><code>HTMLTextAreaElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLTimeElement"><code>HTMLTimeElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLTitleElement"><code>HTMLTitleElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLTrackElement"><code>HTMLTrackElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLUListElement"><code>HTMLUListElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLUnknownElement"><code>HTMLUnknownElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLVideoElement"><code>HTMLVideoElement</code></a></li><li><a href="/zh-CN/docs/Web/API/HashChangeEvent"><code>HashChangeEvent</code></a></li><li><a href="/zh-CN/docs/Web/API/History"><code>History</code></a></li><li><a href="/zh-CN/docs/Web/API/ImageData"><code>ImageData</code></a></li><li><a href="/zh-CN/docs/Web/API/Location"><code>Location</code></a></li><li><a href="/zh-CN/docs/Web/API/MessageChannel"><code>MessageChannel</code></a></li><li><a href="/zh-CN/docs/Web/API/MessageEvent"><code>MessageEvent</code></a></li><li><a href="/zh-CN/docs/Web/API/MessagePort"><code>MessagePort</code></a></li><li><a href="/zh-CN/docs/Web/API/Navigator"><code>Navigator</code></a></li><li><a href="/en-US/docs/Web/API/PageRevealEvent" class="only-in-en-us"><code>PageRevealEvent</code></a></li><li><a href="/en-US/docs/Web/API/PageSwapEvent" class="only-in-en-us"><code>PageSwapEvent</code></a></li><li><a href="/zh-CN/docs/Web/API/PageTransitionEvent"><code>PageTransitionEvent</code></a></li><li><a href="/zh-CN/docs/Web/API/Plugin"><code>Plugin</code></a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/en-US/docs/Web/API/PluginArray" class="only-in-en-us"><code>PluginArray</code></a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/API/PromiseRejectionEvent"><code>PromiseRejectionEvent</code></a></li><li><a href="/en-US/docs/Web/API/RadioNodeList" class="only-in-en-us"><code>RadioNodeList</code></a></li><li><a href="/zh-CN/docs/Web/API/UserActivation"><code>UserActivation</code></a></li><li><a href="/zh-CN/docs/Web/API/ValidityState"><code>ValidityState</code></a></li><li><a href="/zh-CN/docs/Web/API/Window"><code>Window</code></a></li><li><a href="/zh-CN/docs/Web/API/WorkletGlobalScope"><code>WorkletGlobalScope</code></a></li></ol></details></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">在本文中</h2></header><ul class="document-toc-list"><li class="document-toc-item "><a class="document-toc-link" href="#实例属性">实例属性</a></li><li class="document-toc-item "><a class="document-toc-link" href="#实例方法">实例方法</a></li><li class="document-toc-item "><a class="document-toc-link" href="#事件">事件</a></li><li class="document-toc-item "><a class="document-toc-link" href="#规范">规范</a></li><li class="document-toc-item "><a class="document-toc-link" href="#浏览器兼容性">浏览器兼容性</a></li><li class="document-toc-item "><a class="document-toc-link" href="#参见">参见</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="zh-CN"><header><h1>HTMLInputElement</h1><details class="baseline-indicator high"><summary><span class="indicator" role="img" aria-label="Baseline Check"></span><div class="status-title">Baseline <span class="not-bold">Widely available</span> *</div><div class="browsers"><span class="engine" title="Supported in Chrome and Edge"><span class="browser chrome supported" role="img" aria-label="Chrome check"></span><span class="browser edge supported" role="img" aria-label="Edge check"></span></span><span class="engine" title="Supported in Firefox"><span class="browser firefox supported" role="img" aria-label="Firefox check"></span></span><span class="engine" title="Supported in Safari"><span class="browser safari supported" role="img" aria-label="Safari check"></span></span></div><span class="icon icon-chevron "></span></summary><div class="extra"><p>This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.</p><p>* Some parts of this feature may have varying levels of support.</p><ul><li><a href="/zh-CN/docs/Glossary/Baseline/Compatibility" data-glean="baseline_link_learn_more" target="_blank" class="learn-more">Learn more</a></li><li><a href="#浏览器兼容性" data-glean="baseline_link_bcd_table">See full compatibility</a></li><li><a href="https://survey.alchemer.com/s3/7634825/MDN-baseline-feedback?page=%2Fzh-CN%2Fdocs%2FWeb%2FAPI%2FHTMLInputElement&level=high" data-glean="baseline_link_feedback" class="feedback-link" target="_blank" rel="noreferrer">Report feedback</a></li></ul></div></details></header><div class="section-content"><p><strong><code>HTMLInputElement</code></strong> 接口提供了特定的属性和方法，用于管理 <a href="/zh-CN/docs/Web/HTML/Element/input"><code><input></code></a> 元素的选项、布局和外观。</p> <svg viewBox="-1 -1 650 42" preserveAspectRatio="xMinYMin meet"><a style="text-decoration: none;" href="/zh-CN/docs/Web/API/EventTarget"> <rect x="0" y="0" width="88" height="25" fill="#fff" stroke="#D4DDE4" stroke-width="2px"></rect> <text x="44" y="16" font-size="10px" fill="#4D4E53" text-anchor="middle"> EventTarget </text> </a><line x1="88" y1="14" x2="118" y2="14" stroke="#D4DDE4"></line><polyline points="88,14 98,9 98,19 88,14" stroke="#D4DDE4" fill="#fff"></polyline><a style="text-decoration: none;" href="/zh-CN/docs/Web/API/Node"> <rect x="118" y="0" width="75" height="25" fill="#fff" stroke="#D4DDE4" stroke-width="2px"></rect> <text x="155.5" y="16" font-size="10px" fill="#4D4E53" text-anchor="middle"> Node </text> </a><line x1="193" y1="14" x2="223" y2="14" stroke="#D4DDE4"></line><polyline points="193,14 203,9 203,19 193,14" stroke="#D4DDE4" fill="#fff"></polyline><a style="text-decoration: none;" href="/zh-CN/docs/Web/API/Element"> <rect x="223" y="0" width="75" height="25" fill="#fff" stroke="#D4DDE4" stroke-width="2px"></rect> <text x="260.5" y="16" font-size="10px" fill="#4D4E53" text-anchor="middle"> Element </text> </a><line x1="298" y1="14" x2="328" y2="14" stroke="#D4DDE4"></line><polyline points="298,14 308,9 308,19 298,14" stroke="#D4DDE4" fill="#fff"></polyline><a style="text-decoration: none;" href="/zh-CN/docs/Web/API/HTMLElement"> <rect x="328" y="0" width="88" height="25" fill="#fff" stroke="#D4DDE4" stroke-width="2px"></rect> <text x="372" y="16" font-size="10px" fill="#4D4E53" text-anchor="middle"> HTMLElement </text> </a><line x1="416" y1="14" x2="446" y2="14" stroke="#D4DDE4"></line><polyline points="416,14 426,9 426,19 416,14" stroke="#D4DDE4" fill="#fff"></polyline><a style="text-decoration: none;" href="/zh-CN/docs/Web/API/HTMLInputElement" aria-current="page"> <rect x="446" y="0" width="128" height="25" fill="#F4F7F8" stroke="#D4DDE4" stroke-width="2px"></rect> <text x="510" y="16" font-size="10px" fill="#4D4E53" text-anchor="middle"> HTMLInputElement </text> </a></svg></div><section aria-labelledby="实例属性"><h2 id="实例属性"><a href="#实例属性">实例属性</a></h2><div class="section-content"><p><em>还从其父接口 <a href="/zh-CN/docs/Web/API/HTMLElement"><code>HTMLElement</code></a> 继承属性。</em></p> <p>某些属性仅适用于支持相应属性的输入元素类型。</p> <dl> <dt id="align"><a title="此文档尚未被撰写，期待你的贡献！" class="page-not-created" data-href="/zh-CN/docs/Web/API/HTMLInputElement/align"><code>align</code></a> <abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></dt> <dd> <p>一个表示元素对齐方式的字符串。<em>请改用 CSS。</em></p> </dd> <dt id="defaultvalue"><a href="/en-US/docs/Web/API/HTMLInputElement/defaultValue" title="defaultValue" class="only-in-en-us"><code>defaultValue</code></a></dt> <dd> <p>一个表示元素默认值的字符串，该值最初是在创建此对象的 HTML 中指定的。</p> </dd> <dt id="dirname"><a title="此文档尚未被撰写，期待你的贡献！" class="page-not-created" data-href="/zh-CN/docs/Web/API/HTMLInputElement/dirName"><code>dirName</code></a></dt> <dd> <p>一个表示元素方向的字符串。</p> </dd> <dt id="incremental"><a title="此文档尚未被撰写，期待你的贡献！" class="page-not-created" data-href="/zh-CN/docs/Web/API/HTMLInputElement/incremental"><code>incremental</code></a> <abbr class="icon icon-nonstandard" title="非标准。请在使用前检查跨浏览器支持。"> <span class="visually-hidden">非标准</span> </abbr></dt> <dd> <p>一个表示搜索事件触发模式的布尔值，如果为 <code>true</code>，则在每次按键或单击取消按钮时触发；否则在按下 <kbd>Enter</kbd> 键时触发。</p> </dd> <dt id="labels"><a href="/zh-CN/docs/Web/API/HTMLInputElement/labels" title="labels"><code>labels</code></a> <span class="badge inline readonly" title="该属性的值无法更改">只读 </span></dt> <dd> <p>返回一个 <a href="/zh-CN/docs/Web/HTML/Element/label"><code><label></code></a> 元素的列表，这些元素是当前元素的标签。</p> </dd> <dt id="list"><a href="/en-US/docs/Web/API/HTMLInputElement/list" title="list" class="only-in-en-us"><code>list</code></a> <span class="badge inline readonly" title="该属性的值无法更改">只读 </span></dt> <dd> <p>返回由 <a href="/zh-CN/docs/Web/HTML/Element/input#list"><code>list</code></a> 属性指向的元素。如果在同一树中找不到 HTML 元素，则该属性可能为 <code>null</code>。</p> </dd> <dt id="multiple"><a href="/zh-CN/docs/Web/API/HTMLInputElement/multiple" title="multiple"><code>multiple</code></a></dt> <dd> <p>一个表示元素的 <a href="/zh-CN/docs/Web/HTML/Element/input#multiple"><code>multiple</code></a> 属性的布尔值，表示是否可能有多个值（例如，多个文件）。</p> </dd> <dt id="name"><a href="/en-US/docs/Web/API/HTMLInputElement/name" title="name" class="only-in-en-us"><code>name</code></a></dt> <dd> <p>一个表示元素的 <a href="/zh-CN/docs/Web/HTML/Element/input#name"><code>name</code></a> 属性的字符串，包含在提交表单时标识元素的名称。</p> </dd> <dt id="popovertargetaction"><a href="/en-US/docs/Web/API/HTMLInputElement/popoverTargetAction" title="popoverTargetAction" class="only-in-en-us"><code>popoverTargetAction</code></a></dt> <dd> <p>获取或设置要在由 <code>type="button"</code> 的 <a href="/zh-CN/docs/Web/HTML/Element/input"><code><input></code></a> 元素控制的弹出窗口元素上执行的操作（<code>"hide"</code>、<code>"show"</code> 或 <code>"toggle"</code>）。它反映了 <a href="/zh-CN/docs/Web/HTML/Element/input#popovertargetaction"><code>popovertargetaction</code></a> HTML 属性的值。</p> </dd> <dt id="popovertargetelement"><a href="/en-US/docs/Web/API/HTMLInputElement/popoverTargetElement" title="popoverTargetElement" class="only-in-en-us"><code>popoverTargetElement</code></a></dt> <dd> <p>获取或设置要通过 <code>type="button"</code> 的 <a href="/zh-CN/docs/Web/HTML/Element/input"><code><input></code></a> 元素控制的弹出窗口元素。它反映了 <a href="/zh-CN/docs/Web/HTML/Element/input#popovertarget"><code>popovertarget</code></a> HTML 属性的值。</p> </dd> <dt id="step"><a href="/en-US/docs/Web/API/HTMLInputElement/step" title="step" class="only-in-en-us"><code>step</code></a></dt> <dd> <p>一个表示元素的 <a href="/zh-CN/docs/Web/HTML/Element/input#step"><code>step</code></a> 属性的字符串，它与 <a href="/zh-CN/docs/Web/HTML/Element/input#min"><code>min</code></a> 和 <a href="/zh-CN/docs/Web/HTML/Element/input#max"><code>max</code></a> 一起使用，以限制可以设置数字或日期时间值的增量。它可以是字符串 <code>any</code> 或正浮点数。如果不设置为 <code>any</code>，则控件仅接受大于最小值的步长值的倍数。</p> </dd> <dt id="type"><a href="/en-US/docs/Web/API/HTMLInputElement/type" title="type" class="only-in-en-us"><code>type</code></a></dt> <dd> <p>一个表示元素的 <a href="/zh-CN/docs/Web/HTML/Element/input#type"><code>type</code></a> 属性的字符串，表示要显示的控件类型。请参阅 <a href="/zh-CN/docs/Web/HTML/Element/input#type"><code>type</code></a> 属性的文档，以了解其可能的值。</p> </dd> <dt id="usemap"><a title="此文档尚未被撰写，期待你的贡献！" class="page-not-created" data-href="/zh-CN/docs/Web/API/HTMLInputElement/useMap"><code>useMap</code></a> <abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></dt> <dd> <p>一个表示客户端图像映射的字符串。</p> </dd> <dt id="value"><a href="/en-US/docs/Web/API/HTMLInputElement/value" title="value" class="only-in-en-us"><code>value</code></a></dt> <dd> <p>一个表示控件当前值的字符串。如果用户输入与预期不同的值，则可能返回空字符串。</p> </dd> <dt id="valueasdate"><a href="/en-US/docs/Web/API/HTMLInputElement/valueAsDate" title="valueAsDate" class="only-in-en-us"><code>valueAsDate</code></a></dt> <dd> <p>一个表示元素的值的 <a href="/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Date"><code>Date</code></a>，以日期形式解释，如果无法转换，则为 <code>null</code>。</p> </dd> <dt id="valueasnumber"><a href="/en-US/docs/Web/API/HTMLInputElement/valueAsNumber" title="valueAsNumber" class="only-in-en-us"><code>valueAsNumber</code></a></dt> <dd> <p>一个表示元素的值的数字，以以下顺序解释：时间值、数字或 <code>NaN</code>（如果无法转换）。</p> </dd> </dl></div></section><section aria-labelledby="与父表单相关的实例属性"><h3 id="与父表单相关的实例属性"><a href="#与父表单相关的实例属性">与父表单相关的实例属性</a></h3><div class="section-content"><dl> <dt id="form"><a href="/en-US/docs/Web/API/HTMLInputElement/form" title="form" class="only-in-en-us"><code>form</code></a> <span class="badge inline readonly" title="该属性的值无法更改">只读 </span></dt> <dd> <p>返回一个父表单（<a href="/zh-CN/docs/Web/HTML/Element/form"><code><form></code></a>）元素的引用。</p> </dd> <dt id="formaction"><a href="/en-US/docs/Web/API/HTMLInputElement/formAction" title="formAction" class="only-in-en-us"><code>formAction</code></a></dt> <dd> <p>一个表示元素的 <a href="/zh-CN/docs/Web/HTML/Element/input#formaction"><code>formaction</code></a> 属性的字符串，包含处理元素提交信息程序的 URI。这会覆盖父表单的 <a href="/zh-CN/docs/Web/HTML/Element/form#action"><code>action</code></a> 属性。</p> </dd> <dt id="formenctype"><a href="/en-US/docs/Web/API/HTMLInputElement/formEnctype" title="formEnctype" class="only-in-en-us"><code>formEnctype</code></a></dt> <dd> <p>一个表示元素的 <a href="/zh-CN/docs/Web/HTML/Element/input#formenctype"><code>formenctype</code></a> 属性的字符串，包含将表单提交到服务器的内容类型。这会覆盖父表单的 <a href="/zh-CN/docs/Web/HTML/Element/form#enctype"><code>enctype</code></a> 属性。</p> </dd> <dt id="formmethod"><a href="/en-US/docs/Web/API/HTMLInputElement/formMethod" title="formMethod" class="only-in-en-us"><code>formMethod</code></a></dt> <dd> <p>一个表示元素的 <a href="/zh-CN/docs/Web/HTML/Element/input#formmethod"><code>formmethod</code></a> 属性的字符串，包含浏览器用于提交表单的 HTTP 方法。这会覆盖父表单的 <a href="/zh-CN/docs/Web/HTML/Element/form#method"><code>method</code></a> 属性。</p> </dd> <dt id="formnovalidate"><a href="/en-US/docs/Web/API/HTMLInputElement/formNoValidate" title="formNoValidate" class="only-in-en-us"><code>formNoValidate</code></a></dt> <dd> <p>一个表示元素的 <a href="/zh-CN/docs/Web/HTML/Element/input#formnovalidate"><code>formnovalidate</code></a> 属性的布尔值，表示在提交表单时不对其进行验证。这会覆盖父表单的 <a href="/zh-CN/docs/Web/HTML/Element/form#novalidate"><code>novalidate</code></a> 属性。</p> </dd> <dt id="formtarget"><a href="/en-US/docs/Web/API/HTMLInputElement/formTarget" title="formTarget" class="only-in-en-us"><code>formTarget</code></a></dt> <dd> <p>一个表示元素的 <a href="/zh-CN/docs/Web/HTML/Element/input#formtarget"><code>formtarget</code></a> 属性的字符串，包含一个名称或关键字，表示在提交表单后接收响应的显示位置。这会覆盖父表单的 <a href="/zh-CN/docs/Web/HTML/Element/form#target"><code>target</code></a> 属性。</p> </dd> </dl></div></section><section aria-labelledby="适用于任何类型的非隐藏输入元素的实例属性"><h3 id="适用于任何类型的非隐藏输入元素的实例属性"><a href="#适用于任何类型的非隐藏输入元素的实例属性">适用于任何类型的非隐藏输入元素的实例属性</a></h3><div class="section-content"><dl> <dt id="disabled"><a href="/en-US/docs/Web/API/HTMLInputElement/disabled" title="disabled" class="only-in-en-us"><code>disabled</code></a></dt> <dd> <p>一个表示元素的 <a href="/zh-CN/docs/Web/HTML/Element/input#disabled"><code>disabled</code></a> 属性的布尔值，表示该控件不可用于交互。输入值将不会与表单一起提交。参见 <a href="/zh-CN/docs/Web/HTML/Element/input#readonly"><code>readonly</code></a>。</p> </dd> <dt id="required"><a href="/en-US/docs/Web/API/HTMLInputElement/required" title="required" class="only-in-en-us"><code>required</code></a></dt> <dd> <p>一个表示元素的 <a href="/zh-CN/docs/Web/HTML/Element/input#required"><code>required</code></a> 属性的布尔值，表示用户必须在提交表单之前填写值。</p> </dd> <dt id="validationmessage"><a href="/en-US/docs/Web/API/HTMLInputElement/validationMessage" title="validationMessage" class="only-in-en-us"><code>validationMessage</code></a> <span class="badge inline readonly" title="该属性的值无法更改">只读 </span></dt> <dd> <p>返回一条描述控件不满足时的验证约束的本地化消息。如果控件不是约束验证的候选项（<a href="/zh-CN/docs/Web/API/HTMLObjectElement/willValidate"><code>willValidate</code></a> 为 <code>false</code>），或者它满足其约束，则为空字符串。此值可以通过 <a href="/en-US/docs/Web/API/HTMLInputElement/setCustomValidity" title="setCustomValidity()" class="only-in-en-us"><code>setCustomValidity()</code></a> 方法设置。</p> </dd> <dt id="validity"><a href="/en-US/docs/Web/API/HTMLInputElement/validity" title="validity" class="only-in-en-us"><code>validity</code></a> <span class="badge inline readonly" title="该属性的值无法更改">只读 </span></dt> <dd> <p>返回元素当前的有效状态。</p> </dd> <dt id="willvalidate"><a href="/en-US/docs/Web/API/HTMLInputElement/willValidate" title="willValidate" class="only-in-en-us"><code>willValidate</code></a> <span class="badge inline readonly" title="该属性的值无法更改">只读 </span></dt> <dd> <p>返回元素是否是约束验证的候选项。如果任何条件阻止它进行约束验证，则为 <code>false</code>，包括：它的 <code>type</code> 是 <code>hidden</code>、<code>reset</code> 或 <code>button</code> 之一，它的祖先中有 <a href="/zh-CN/docs/Web/HTML/Element/datalist"><code><datalist></code></a> 或者它的 <code>disabled</code> 属性为 <code>true</code>。</p> </dd> </dl></div></section><section aria-labelledby="仅适用于复选框和单选按钮元素的实例属性"><h3 id="仅适用于复选框和单选按钮元素的实例属性"><a href="#仅适用于复选框和单选按钮元素的实例属性">仅适用于复选框和单选按钮元素的实例属性</a></h3><div class="section-content"><dl> <dt id="checked"><a href="/en-US/docs/Web/API/HTMLInputElement/checked" title="checked" class="only-in-en-us"><code>checked</code></a></dt> <dd> <p>一个表示元素当前状态的布尔值。</p> </dd> <dt id="defaultchecked"><a href="/en-US/docs/Web/API/HTMLInputElement/defaultChecked" title="defaultChecked" class="only-in-en-us"><code>defaultChecked</code></a></dt> <dd> <p>一个表示单选按钮或复选框的默认状态的布尔值，该值最初是在创建此对象的 HTML 中指定的。</p> </dd> <dt id="indeterminate"><a href="/en-US/docs/Web/API/HTMLInputElement/indeterminate" title="indeterminate" class="only-in-en-us"><code>indeterminate</code></a></dt> <dd> <p>一个表示复选框或单选按钮是否处于不确定状态的布尔值。对于复选框，效果是复选框的外观被某种方式遮挡/变灰，以表示其状态是不确定的（既不选中也不未选中）。不会影响 <code>checked</code> 属性的值，单击复选框将其值设置为假。</p> </dd> </dl></div></section><section aria-labelledby="仅适用于图像类型的元素的实例属性"><h3 id="仅适用于图像类型的元素的实例属性"><a href="#仅适用于图像类型的元素的实例属性">仅适用于图像类型的元素的实例属性</a></h3><div class="section-content"><dl> <dt id="alt"><a href="/en-US/docs/Web/API/HTMLInputElement/alt" title="alt" class="only-in-en-us"><code>alt</code></a></dt> <dd> <p>一个表示元素的 <a href="/zh-CN/docs/Web/HTML/Element/input#alt"><code>alt</code></a> 属性的字符串，包含要使用的替代文本。</p> </dd> <dt id="height"><a href="/en-US/docs/Web/API/HTMLInputElement/height" title="height" class="only-in-en-us"><code>height</code></a></dt> <dd> <p>一个表示元素的 <a href="/zh-CN/docs/Web/HTML/Element/input#height"><code>height</code></a> 属性的字符串，包含要显示为按钮的图像的高度。</p> </dd> <dt id="src"><a href="/en-US/docs/Web/API/HTMLInputElement/src" title="src" class="only-in-en-us"><code>src</code></a></dt> <dd> <p>一个表示元素的 <a href="/zh-CN/docs/Web/HTML/Element/input#src"><code>src</code></a> 属性的字符串，包含要显示为图形提交按钮上的图像的位置的 URI。</p> </dd> <dt id="width"><a href="/en-US/docs/Web/API/HTMLInputElement/width" title="width" class="only-in-en-us"><code>width</code></a></dt> <dd> <p>一个表示元素的 <a href="/zh-CN/docs/Web/HTML/Element/input#width"><code>width</code></a> 属性的字符串，包含要显示为按钮的图像的宽度。</p> </dd> </dl></div></section><section aria-labelledby="仅适用于文件类型的元素的实例属性"><h3 id="仅适用于文件类型的元素的实例属性"><a href="#仅适用于文件类型的元素的实例属性">仅适用于文件类型的元素的实例属性</a></h3><div class="section-content"><dl> <dt id="accept"><a href="/en-US/docs/Web/API/HTMLInputElement/accept" title="accept" class="only-in-en-us"><code>accept</code></a></dt> <dd> <p>一个表示元素的 <a href="/zh-CN/docs/Web/HTML/Element/input#accept"><code>accept</code></a> 属性的字符串，包含可以选择的文件类型的以逗号分隔的列表。</p> </dd> <dt id="files"><a href="/en-US/docs/Web/API/HTMLInputElement/files" title="files" class="only-in-en-us"><code>files</code></a></dt> <dd> <p>一个 <a href="/zh-CN/docs/Web/API/FileList"><code>FileList</code></a>，表示选择的要上传的文件。</p> </dd> <dt id="webkitdirectory"><a href="/zh-CN/docs/Web/API/HTMLInputElement/webkitdirectory" title="webkitdirectory"><code>webkitdirectory</code></a></dt> <dd> <p>一个表示 <a href="/zh-CN/docs/Web/HTML/Element/input#webkitdirectory"><code>webkitdirectory</code></a> 属性的布尔值。如果为 <code>true</code>，则文件系统选择器接口仅接受目录而不是文件。</p> </dd> <dt id="webkitentries"><a href="/en-US/docs/Web/API/HTMLInputElement/webkitEntries" title="webkitEntries" class="only-in-en-us"><code>webkitEntries</code></a> <span class="badge inline readonly" title="该属性的值无法更改">只读 </span></dt> <dd> <p>描述当前选择的文件或目录。</p> </dd> </dl></div></section><section aria-labelledby="仅适用于包含文本或数字的可见元素的实例属性"><h3 id="仅适用于包含文本或数字的可见元素的实例属性"><a href="#仅适用于包含文本或数字的可见元素的实例属性">仅适用于包含文本或数字的可见元素的实例属性</a></h3><div class="section-content"><dl> <dt id="autocomplete"><a href="/en-US/docs/Web/API/HTMLInputElement/autocomplete" title="autocomplete" class="only-in-en-us"><code>autocomplete</code></a></dt> <dd> <p>一个表示元素的 <a href="/zh-CN/docs/Web/HTML/Element/input#autocomplete"><code>autocomplete</code></a> 属性的字符串，表示控件的值是否可以由浏览器自动填充。</p> </dd> <dt id="capture"><a href="/en-US/docs/Web/API/HTMLInputElement/capture" title="capture" class="only-in-en-us"><code>capture</code></a></dt> <dd> <p>一个表示元素的 <a href="/zh-CN/docs/Web/HTML/Element/input#capture"><code>capture</code></a> 属性的字符串，指示文件上传控件中的媒体捕获输入方法。</p> </dd> <dt id="max"><a href="/en-US/docs/Web/API/HTMLInputElement/max" title="max" class="only-in-en-us"><code>max</code></a></dt> <dd> <p>一个表示元素的 <a href="/zh-CN/docs/Web/HTML/Element/input#max"><code>max</code></a> 属性的字符串，包含此项的最大（数字或日期时间）值，该值不能小于其最小（<a href="/zh-CN/docs/Web/HTML/Element/input#min"><code>min</code></a> 属性）值。</p> </dd> <dt id="maxlength"><a href="/en-US/docs/Web/API/HTMLInputElement/maxLength" title="maxLength" class="only-in-en-us"><code>maxLength</code></a></dt> <dd> <p>一个表示元素的 <a href="/zh-CN/docs/Web/HTML/Element/input#maxlength"><code>maxlength</code></a> 属性的数字，包含值可以具有的最大字符数（以 Unicode 码点表示）。</p> </dd> <dt id="min"><a href="/en-US/docs/Web/API/HTMLInputElement/min" title="min" class="only-in-en-us"><code>min</code></a></dt> <dd> <p>一个表示元素的 <a href="/zh-CN/docs/Web/HTML/Element/input#min"><code>min</code></a> 属性的字符串，包含此项的最小（数字或日期时间）值，该值不能大于其最大（<a href="/zh-CN/docs/Web/HTML/Element/input#max"><code>max</code></a> 属性）值。</p> </dd> <dt id="minlength"><a href="/en-US/docs/Web/API/HTMLInputElement/minLength" title="minLength" class="only-in-en-us"><code>minLength</code></a></dt> <dd> <p>一个表示元素的 <a href="/zh-CN/docs/Web/HTML/Element/input#minlength"><code>minlength</code></a> 属性的数字，包含值可以具有的最小字符数（以 Unicode 码点表示）。</p> </dd> <dt id="pattern"><a href="/en-US/docs/Web/API/HTMLInputElement/pattern" title="pattern" class="only-in-en-us"><code>pattern</code></a></dt> <dd> <p>一个表示元素的 <a href="/zh-CN/docs/Web/HTML/Element/input#pattern"><code>pattern</code></a> 属性的字符串，包含要检查控件值的正则表达式。使用 <a href="/zh-CN/docs/Web/HTML/Element/input#title"><code>title</code></a> 属性来描述模式以帮助用户。此属性仅适用于 <a href="/zh-CN/docs/Web/HTML/Element/input#type"><code>type</code></a> 属性的值为 <code>text</code>、<code>search</code>、<code>tel</code>、<code>url</code> 或 <code>email</code> 的情况。</p> </dd> <dt id="placeholder"><a href="/en-US/docs/Web/API/HTMLInputElement/placeholder" title="placeholder" class="only-in-en-us"><code>placeholder</code></a></dt> <dd> <p>一个表示元素的 <a href="/zh-CN/docs/Web/HTML/Element/input#placeholder"><code>placeholder</code></a> 属性的字符串，包含一个提示，告诉用户可以在控件中输入什么。占位符文本不能包含回车或换行符。此属性仅适用于 <a href="/zh-CN/docs/Web/HTML/Element/input#type"><code>type</code></a> 属性的值为 <code>text</code>、<code>search</code>、<code>tel</code>、<code>url</code> 或 <code>email</code> 的情况。</p> </dd> <dt id="readonly"><a href="/en-US/docs/Web/API/HTMLInputElement/readOnly" title="readOnly" class="only-in-en-us"><code>readOnly</code></a></dt> <dd> <p>一个表示元素的 <a href="/zh-CN/docs/Web/HTML/Element/input#readonly"><code>readonly</code></a> 属性的布尔值，指示用户无法修改控件的值。如果 <a href="/zh-CN/docs/Web/HTML/Element/input#type"><code>type</code></a> 为 <code>hidden</code>、<code>range</code>、<code>color</code>、<code>checkbox</code>、<code>radio</code>、<code>file</code> 或按钮类型，则忽略此属性。</p> </dd> <dt id="selectiondirection"><a href="/en-US/docs/Web/API/HTMLInputElement/selectionDirection" title="selectionDirection" class="only-in-en-us"><code>selectionDirection</code></a></dt> <dd> <p>一个表示选择发生的方向的字符串。可能的值为：<code>forward</code>（选择是从当前区域设置的起始到结束方向上执行的）、<code>backward</code>（相反的方向）或 <code>none</code>（方向未知）。</p> </dd> <dt id="selectionend"><a href="/en-US/docs/Web/API/HTMLInputElement/selectionEnd" title="selectionEnd" class="only-in-en-us"><code>selectionEnd</code></a></dt> <dd> <p>一个表示选择文本的结束索引的数字。当没有选择时，它返回当前文本输入光标位置后面的字符的偏移量。</p> </dd> <dt id="selectionstart"><a href="/en-US/docs/Web/API/HTMLInputElement/selectionStart" title="selectionStart" class="only-in-en-us"><code>selectionStart</code></a></dt> <dd> <p>一个表示选择文本的开始索引的数字。当没有选择时，它返回当前文本输入光标位置的偏移量。</p> </dd> <dt id="size"><a href="/en-US/docs/Web/API/HTMLInputElement/size" title="size" class="only-in-en-us"><code>size</code></a></dt> <dd> <p>一个表示元素的 <a href="/zh-CN/docs/Web/HTML/Element/input#size"><code>size</code></a> 属性的数字，包含控件的可视大小。此值以像素为单位，除非 <a href="/zh-CN/docs/Web/HTML/Element/input#type"><code>type</code></a> 的值为 <code>text</code> 或 <code>password</code>，在这种情况下，它是一个整数字符数。仅当 <a href="/zh-CN/docs/Web/HTML/Element/input#type"><code>type</code></a> 设置为 <code>text</code>、<code>search</code>、<code>tel</code>、<code>url</code>、<code>email</code> 或 <code>password</code> 时才适用。</p> </dd> </dl></div></section><section aria-labelledby="实例方法"><h2 id="实例方法"><a href="#实例方法">实例方法</a></h2><div class="section-content"><p><em>也从其父接口 <a href="/zh-CN/docs/Web/API/HTMLElement"><code>HTMLElement</code></a> 继承方法。</em></p> <dl> <dt id="checkvalidity"><a href="/en-US/docs/Web/API/HTMLInputElement/checkValidity" title="checkValidity()" class="only-in-en-us"><code>checkValidity()</code></a></dt> <dd> <p>返回一个布尔值，如果元素是约束验证的候选项，并且它不满足其约束，则为 <code>false</code>。在这种情况下，它还会在元素上触发 <a href="/zh-CN/docs/Web/API/HTMLInputElement/invalid_event" title="invalid"><code>invalid</code></a> 事件。如果元素不是约束验证的候选项，或者它满足其约束，则返回 <code>true</code>。</p> </dd> <dt id="reportvalidity"><a href="/en-US/docs/Web/API/HTMLInputElement/reportValidity" title="reportValidity()" class="only-in-en-us"><code>reportValidity()</code></a></dt> <dd> <p>运行 <code>checkValidity()</code> 方法，如果它返回 false（对于无效输入或未提供模式属性），则以与提交表单相同的方式向用户报告输入无效。</p> </dd> <dt id="select"><a href="/zh-CN/docs/Web/API/HTMLInputElement/select" title="select()"><code>select()</code></a></dt> <dd> <p>选择输入元素中的所有文本，并将其聚焦，以便用户随后可以替换其所有内容。</p> </dd> <dt id="setcustomvalidity"><a href="/en-US/docs/Web/API/HTMLInputElement/setCustomValidity" title="setCustomValidity()" class="only-in-en-us"><code>setCustomValidity()</code></a></dt> <dd> <p>设置元素的自定义有效性消息。如果此消息不是空字符串，则元素存在自定义有效性错误，且其值无效。</p> </dd> <dt id="setrangetext"><a href="/en-US/docs/Web/API/HTMLInputElement/setRangeText" title="setRangeText()" class="only-in-en-us"><code>setRangeText()</code></a></dt> <dd> <p>替换输入元素中的一段文本为新文本。</p> </dd> <dt id="setselectionrange"><a href="/zh-CN/docs/Web/API/HTMLInputElement/setSelectionRange" title="setSelectionRange()"><code>setSelectionRange()</code></a></dt> <dd> <p>选择输入元素中的一段文本（但不聚焦）。</p> </dd> <dt id="showpicker"><a href="/zh-CN/docs/Web/API/HTMLInputElement/showPicker" title="showPicker()"><code>showPicker()</code></a></dt> <dd> <p>显示浏览器的日期、时间、颜色和文件选择器。</p> </dd> <dt id="stepdown"><a href="/en-US/docs/Web/API/HTMLInputElement/stepDown" title="stepDown()" class="only-in-en-us"><code>stepDown()</code></a></dt> <dd> <p>按 <a href="/zh-CN/docs/Web/HTML/Element/input#step"><code>step</code></a> * n 递减 <a href="/zh-CN/docs/Web/HTML/Element/input#value"><code>value</code></a>，其中 n 默认为 1（如果未指定）。</p> </dd> <dt id="stepup"><a href="/en-US/docs/Web/API/HTMLInputElement/stepUp" title="stepUp()" class="only-in-en-us"><code>stepUp()</code></a></dt> <dd> <p>按 <a href="/zh-CN/docs/Web/HTML/Element/input#step"><code>step</code></a> * n 递增 <a href="/zh-CN/docs/Web/HTML/Element/input#value"><code>value</code></a>，其中 n 默认为 1（如果未指定）。</p> </dd> </dl></div></section><section aria-labelledby="事件"><h2 id="事件"><a href="#事件">事件</a></h2><div class="section-content"><p><em>也从其父接口 <a href="/zh-CN/docs/Web/API/HTMLElement"><code>HTMLElement</code></a> 继承事件。</em></p> <p>使用 <a href="/zh-CN/docs/Web/API/EventTarget/addEventListener" title="addEventListener()"><code>addEventListener()</code></a> 或通过将事件监听器赋值给此接口的 <code>oneventname</code> 属性来监听这些事件：</p> <dl> <dt id="invalid"><a href="/zh-CN/docs/Web/API/HTMLInputElement/invalid_event" title="invalid"><code>invalid</code></a> 事件</dt> <dd> <p>当元素在约束验证期间不满足其约束时触发。</p> </dd> <dt id="search"><a href="/en-US/docs/Web/API/HTMLInputElement/search_event" title="search" class="only-in-en-us"><code>search</code></a> 事件 <abbr class="icon icon-nonstandard" title="非标准。请在使用前检查跨浏览器支持。"> <span class="visually-hidden">非标准</span> </abbr></dt> <dd> <p>当在 <code>type="search"</code> 的 <a href="/zh-CN/docs/Web/HTML/Element/input"><code><input></code></a> 上开始搜索时触发。</p> </dd> <dt id="select_2"><a href="/zh-CN/docs/Web/API/HTMLInputElement/select_event" title="select"><code>select</code></a> 事件</dt> <dd> <p>当选中了一些文本时触发。</p> </dd> <dt id="selectionchange"><a href="/zh-CN/docs/Web/API/HTMLInputElement/selectionchange_event" title="selectionchange"><code>selectionchange</code></a> 事件 <abbr class="icon icon-experimental" title="实验性。预期行为可能会在未来发生变更。"> <span class="visually-hidden">实验性</span> </abbr></dt> <dd> <p>在 <a href="/zh-CN/docs/Web/HTML/Element/input"><code><input></code></a> 元素中的文本选择发生更改后触发。</p> </dd> </dl></div></section><h2 id="规范"><a href="#规范">规范</a></h2><table class="standard-table"><thead><tr><th scope="col">Specification</th></tr></thead><tbody><tr><td><a href="https://html.spec.whatwg.org/multipage/input.html#htmlinputelement">HTML <br/><small># htmlinputelement</small></a></td></tr></tbody></table><h2 id="浏览器兼容性"><a href="#浏览器兼容性">浏览器兼容性</a></h2><p>BCD tables only load in the browser<noscript> with JavaScript enabled. Enable JavaScript to view data.</noscript></p><section aria-labelledby="参见"><h2 id="参见"><a href="#参见">参见</a></h2><div class="section-content"><ul> <li>实现了该接口的 HTML 元素：<a href="/zh-CN/docs/Web/HTML/Element/input"><code><input></code></a></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="2024-01-14T04:33:34.000Z">2024年1月14日</time> by <a href="/zh-CN/docs/Web/API/HTMLInputElement/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/zh-cn/web/api/htmlinputelement/index.md?plain=1" title="Folder: zh-cn/web/api/htmlinputelement (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-zh-cn.yml&mdn-url=https%3A%2F%2Fdeveloper.mozilla.org%2Fzh-CN%2Fdocs%2FWeb%2FAPI%2FHTMLInputElement&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+%60zh-cn%2Fweb%2Fapi%2Fhtmlinputelement%60%0A*+MDN+URL%3A+https%3A%2F%2Fdeveloper.mozilla.org%2Fzh-CN%2Fdocs%2FWeb%2FAPI%2FHTMLInputElement%0A*+GitHub+URL%3A+https%3A%2F%2Fgithub.com%2Fmdn%2Ftranslated-content%2Fblob%2Fmain%2Ffiles%2Fzh-cn%2Fweb%2Fapi%2Fhtmlinputelement%2Findex.md%0A*+Last+commit%3A+https%3A%2F%2Fgithub.com%2Fmdn%2Ftranslated-content%2Fcommit%2F0325ee176aece66a526f183934cd5a2e22eb64e3%0A*+Document+last+modified%3A+2024-01-14T04%3A33%3A34.000Z%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://bsky.app/profile/developer.mozilla.org" target="_blank" rel="me noopener noreferrer"><span class="icon icon-bluesky"></span><span class="visually-hidden">MDN on Bluesky</span></a></li><li><a href="https://mastodon.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="/zh-CN/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="/zh-CN/docs/Web">Web Technologies</a></li><li class="footer-nav-item"><a class="footer-nav-link" href="/zh-CN/docs/Learn">Learn Web Development</a></li><li class="footer-nav-item"><a class="footer-nav-link" href="/zh-CN/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 xmlns="http://www.w3.org/2000/svg" width="137" height="32" fill="none" viewBox="0 0 267.431 62.607"><path fill="currentColor" d="m13.913 23.056 5.33 25.356h2.195l5.33-25.356h14.267v38.976h-7.578V29.694h-2.194l-7.264 32.337h-7.343L9.418 29.694H7.223v32.337H-.354V23.056Zm47.137 9.123c9.12 0 14.423 5.385 14.423 15.214s-5.33 15.214-14.423 15.214c-9.12 0-14.423-5.385-14.423-15.214 0-9.855 5.304-15.214 14.423-15.214m0 24.363c4.285 0 6.428-2.196 6.428-7.032v-4.287c0-4.836-2.143-7.032-6.428-7.032s-6.428 2.196-6.428 7.032v4.287c0 4.836 2.143 7.032 6.428 7.032m18.473-.157 15.47-18.01h-15.26v-5.647h24.352v5.646L88.616 56.385h15.704v5.646H79.523Zm29.318-23.657h11.183V62.03h-7.578V38.375h-3.632v-5.646zm3.605-9.672h7.578v5.646h-7.578zm13.17 0h11.21v38.976h-7.578v-33.33h-3.632zm16.801 0H153.6v38.976h-7.577v-33.33h-3.632v-5.646zm29.03 9.123c4.442 0 7.394 2.143 8.231 5.881h2.194v-5.332h9.276v5.646h-3.632v18.011h3.632v5.646h-4.442c-3.135 0-4.834-1.699-4.834-4.836V56.7h-2.194c-.81 3.738-3.789 5.881-8.23 5.881-6.978 0-11.916-5.829-11.916-15.214 0-9.384 4.938-15.187 11.915-15.187m2.3 24.363c4.284 0 6.192-2.196 6.192-7.032v-4.287c0-4.836-1.908-7.032-6.193-7.032-4.18 0-6.193 2.196-6.193 7.032v4.287c0 4.836 2.012 7.032 6.193 7.032m48.34 5.489h-7.577V0h7.577zm6.585-29.643h32.165v-2.196l-21.295-7.634v-6.143l21.295-7.633V6.588h-25.345V0h32.165v12.522l-17.35 5.881V20.6l17.35 5.882v12.521h-38.985zm0-25.801h6.794v6.796h-6.794z"></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 ©1998–2025 by individual mozilla.org contributors. Content available under <a href="/zh-CN/docs/MDN/Writing_guidelines/Attrib_copyright_license">a Creative Commons license</a>.</p></div></div></footer></div><script type="application/json" id="hydration">{"url":"/zh-CN/docs/Web/API/HTMLInputElement","doc":{"body":[{"type":"prose","value":{"id":null,"title":null,"isH3":false,"content":"<p><strong><code>HTMLInputElement</code></strong> 接口提供了特定的属性和方法，用于管理 <a href=\"/zh-CN/docs/Web/HTML/Element/input\"><code><input></code></a> 元素的选项、布局和外观。</p>\n<svg viewBox=\"-1 -1 650 42\" preserveAspectRatio=\"xMinYMin meet\"><a style=\"text-decoration: none;\" href=\"/zh-CN/docs/Web/API/EventTarget\">\n <rect x=\"0\" y=\"0\" width=\"88\" height=\"25\" fill=\"#fff\" stroke=\"#D4DDE4\" stroke-width=\"2px\"></rect>\n <text x=\"44\" y=\"16\" font-size=\"10px\" fill=\"#4D4E53\" text-anchor=\"middle\">\n EventTarget\n </text>\n </a><line x1=\"88\" y1=\"14\" x2=\"118\" y2=\"14\" stroke=\"#D4DDE4\"></line><polyline points=\"88,14 98,9 98,19 88,14\" stroke=\"#D4DDE4\" fill=\"#fff\"></polyline><a style=\"text-decoration: none;\" href=\"/zh-CN/docs/Web/API/Node\">\n <rect x=\"118\" y=\"0\" width=\"75\" height=\"25\" fill=\"#fff\" stroke=\"#D4DDE4\" stroke-width=\"2px\"></rect>\n <text x=\"155.5\" y=\"16\" font-size=\"10px\" fill=\"#4D4E53\" text-anchor=\"middle\">\n Node\n </text>\n </a><line x1=\"193\" y1=\"14\" x2=\"223\" y2=\"14\" stroke=\"#D4DDE4\"></line><polyline points=\"193,14 203,9 203,19 193,14\" stroke=\"#D4DDE4\" fill=\"#fff\"></polyline><a style=\"text-decoration: none;\" href=\"/zh-CN/docs/Web/API/Element\">\n <rect x=\"223\" y=\"0\" width=\"75\" height=\"25\" fill=\"#fff\" stroke=\"#D4DDE4\" stroke-width=\"2px\"></rect>\n <text x=\"260.5\" y=\"16\" font-size=\"10px\" fill=\"#4D4E53\" text-anchor=\"middle\">\n Element\n </text>\n </a><line x1=\"298\" y1=\"14\" x2=\"328\" y2=\"14\" stroke=\"#D4DDE4\"></line><polyline points=\"298,14 308,9 308,19 298,14\" stroke=\"#D4DDE4\" fill=\"#fff\"></polyline><a style=\"text-decoration: none;\" href=\"/zh-CN/docs/Web/API/HTMLElement\">\n <rect x=\"328\" y=\"0\" width=\"88\" height=\"25\" fill=\"#fff\" stroke=\"#D4DDE4\" stroke-width=\"2px\"></rect>\n <text x=\"372\" y=\"16\" font-size=\"10px\" fill=\"#4D4E53\" text-anchor=\"middle\">\n HTMLElement\n </text>\n </a><line x1=\"416\" y1=\"14\" x2=\"446\" y2=\"14\" stroke=\"#D4DDE4\"></line><polyline points=\"416,14 426,9 426,19 416,14\" stroke=\"#D4DDE4\" fill=\"#fff\"></polyline><a style=\"text-decoration: none;\" href=\"/zh-CN/docs/Web/API/HTMLInputElement\" aria-current=\"page\">\n <rect x=\"446\" y=\"0\" width=\"128\" height=\"25\" fill=\"#F4F7F8\" stroke=\"#D4DDE4\" stroke-width=\"2px\"></rect>\n <text x=\"510\" y=\"16\" font-size=\"10px\" fill=\"#4D4E53\" text-anchor=\"middle\">\n HTMLInputElement\n </text>\n </a></svg>"}},{"type":"prose","value":{"id":"实例属性","title":"实例属性","isH3":false,"content":"<p><em>还从其父接口 <a href=\"/zh-CN/docs/Web/API/HTMLElement\"><code>HTMLElement</code></a> 继承属性。</em></p>\n<p>某些属性仅适用于支持相应属性的输入元素类型。</p>\n<dl>\n<dt id=\"align\"><a title=\"此文档尚未被撰写，期待你的贡献！\" class=\"page-not-created\" data-href=\"/zh-CN/docs/Web/API/HTMLInputElement/align\"><code>align</code></a> <abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n<span class=\"visually-hidden\">已弃用</span>\n</abbr></dt>\n<dd>\n<p>一个表示元素对齐方式的字符串。<em>请改用 CSS。</em></p>\n</dd>\n<dt id=\"defaultvalue\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/defaultValue\" title=\"defaultValue\" class=\"only-in-en-us\"><code>defaultValue</code></a></dt>\n<dd>\n<p>一个表示元素默认值的字符串，该值最初是在创建此对象的 HTML 中指定的。</p>\n</dd>\n<dt id=\"dirname\"><a title=\"此文档尚未被撰写，期待你的贡献！\" class=\"page-not-created\" data-href=\"/zh-CN/docs/Web/API/HTMLInputElement/dirName\"><code>dirName</code></a></dt>\n<dd>\n<p>一个表示元素方向的字符串。</p>\n</dd>\n<dt id=\"incremental\"><a title=\"此文档尚未被撰写，期待你的贡献！\" class=\"page-not-created\" data-href=\"/zh-CN/docs/Web/API/HTMLInputElement/incremental\"><code>incremental</code></a> <abbr class=\"icon icon-nonstandard\" title=\"非标准。请在使用前检查跨浏览器支持。\">\n<span class=\"visually-hidden\">非标准</span>\n</abbr></dt>\n<dd>\n<p>一个表示搜索事件触发模式的布尔值，如果为 <code>true</code>，则在每次按键或单击取消按钮时触发；否则在按下 <kbd>Enter</kbd> 键时触发。</p>\n</dd>\n<dt id=\"labels\"><a href=\"/zh-CN/docs/Web/API/HTMLInputElement/labels\" title=\"labels\"><code>labels</code></a> <span class=\"badge inline readonly\" title=\"该属性的值无法更改\">只读 </span></dt>\n<dd>\n<p>返回一个 <a href=\"/zh-CN/docs/Web/HTML/Element/label\"><code><label></code></a> 元素的列表，这些元素是当前元素的标签。</p>\n</dd>\n<dt id=\"list\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/list\" title=\"list\" class=\"only-in-en-us\"><code>list</code></a> <span class=\"badge inline readonly\" title=\"该属性的值无法更改\">只读 </span></dt>\n<dd>\n<p>返回由 <a href=\"/zh-CN/docs/Web/HTML/Element/input#list\"><code>list</code></a> 属性指向的元素。如果在同一树中找不到 HTML 元素，则该属性可能为 <code>null</code>。</p>\n</dd>\n<dt id=\"multiple\"><a href=\"/zh-CN/docs/Web/API/HTMLInputElement/multiple\" title=\"multiple\"><code>multiple</code></a></dt>\n<dd>\n<p>一个表示元素的 <a href=\"/zh-CN/docs/Web/HTML/Element/input#multiple\"><code>multiple</code></a> 属性的布尔值，表示是否可能有多个值（例如，多个文件）。</p>\n</dd>\n<dt id=\"name\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/name\" title=\"name\" class=\"only-in-en-us\"><code>name</code></a></dt>\n<dd>\n<p>一个表示元素的 <a href=\"/zh-CN/docs/Web/HTML/Element/input#name\"><code>name</code></a> 属性的字符串，包含在提交表单时标识元素的名称。</p>\n</dd>\n<dt id=\"popovertargetaction\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/popoverTargetAction\" title=\"popoverTargetAction\" class=\"only-in-en-us\"><code>popoverTargetAction</code></a></dt>\n<dd>\n<p>获取或设置要在由 <code>type=\"button\"</code> 的 <a href=\"/zh-CN/docs/Web/HTML/Element/input\"><code><input></code></a> 元素控制的弹出窗口元素上执行的操作（<code>\"hide\"</code>、<code>\"show\"</code> 或 <code>\"toggle\"</code>）。它反映了 <a href=\"/zh-CN/docs/Web/HTML/Element/input#popovertargetaction\"><code>popovertargetaction</code></a> HTML 属性的值。</p>\n</dd>\n<dt id=\"popovertargetelement\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/popoverTargetElement\" title=\"popoverTargetElement\" class=\"only-in-en-us\"><code>popoverTargetElement</code></a></dt>\n<dd>\n<p>获取或设置要通过 <code>type=\"button\"</code> 的 <a href=\"/zh-CN/docs/Web/HTML/Element/input\"><code><input></code></a> 元素控制的弹出窗口元素。它反映了 <a href=\"/zh-CN/docs/Web/HTML/Element/input#popovertarget\"><code>popovertarget</code></a> HTML 属性的值。</p>\n</dd>\n<dt id=\"step\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/step\" title=\"step\" class=\"only-in-en-us\"><code>step</code></a></dt>\n<dd>\n<p>一个表示元素的 <a href=\"/zh-CN/docs/Web/HTML/Element/input#step\"><code>step</code></a> 属性的字符串，它与 <a href=\"/zh-CN/docs/Web/HTML/Element/input#min\"><code>min</code></a> 和 <a href=\"/zh-CN/docs/Web/HTML/Element/input#max\"><code>max</code></a> 一起使用，以限制可以设置数字或日期时间值的增量。它可以是字符串 <code>any</code> 或正浮点数。如果不设置为 <code>any</code>，则控件仅接受大于最小值的步长值的倍数。</p>\n</dd>\n<dt id=\"type\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/type\" title=\"type\" class=\"only-in-en-us\"><code>type</code></a></dt>\n<dd>\n<p>一个表示元素的 <a href=\"/zh-CN/docs/Web/HTML/Element/input#type\"><code>type</code></a> 属性的字符串，表示要显示的控件类型。请参阅 <a href=\"/zh-CN/docs/Web/HTML/Element/input#type\"><code>type</code></a> 属性的文档，以了解其可能的值。</p>\n</dd>\n<dt id=\"usemap\"><a title=\"此文档尚未被撰写，期待你的贡献！\" class=\"page-not-created\" data-href=\"/zh-CN/docs/Web/API/HTMLInputElement/useMap\"><code>useMap</code></a> <abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n<span class=\"visually-hidden\">已弃用</span>\n</abbr></dt>\n<dd>\n<p>一个表示客户端图像映射的字符串。</p>\n</dd>\n<dt id=\"value\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/value\" title=\"value\" class=\"only-in-en-us\"><code>value</code></a></dt>\n<dd>\n<p>一个表示控件当前值的字符串。如果用户输入与预期不同的值，则可能返回空字符串。</p>\n</dd>\n<dt id=\"valueasdate\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/valueAsDate\" title=\"valueAsDate\" class=\"only-in-en-us\"><code>valueAsDate</code></a></dt>\n<dd>\n<p>一个表示元素的值的 <a href=\"/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Date\"><code>Date</code></a>，以日期形式解释，如果无法转换，则为 <code>null</code>。</p>\n</dd>\n<dt id=\"valueasnumber\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/valueAsNumber\" title=\"valueAsNumber\" class=\"only-in-en-us\"><code>valueAsNumber</code></a></dt>\n<dd>\n<p>一个表示元素的值的数字，以以下顺序解释：时间值、数字或 <code>NaN</code>（如果无法转换）。</p>\n</dd>\n</dl>"}},{"type":"prose","value":{"id":"与父表单相关的实例属性","title":"与父表单相关的实例属性","isH3":true,"content":"<dl>\n<dt id=\"form\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/form\" title=\"form\" class=\"only-in-en-us\"><code>form</code></a> <span class=\"badge inline readonly\" title=\"该属性的值无法更改\">只读 </span></dt>\n<dd>\n<p>返回一个父表单（<a href=\"/zh-CN/docs/Web/HTML/Element/form\"><code><form></code></a>）元素的引用。</p>\n</dd>\n<dt id=\"formaction\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/formAction\" title=\"formAction\" class=\"only-in-en-us\"><code>formAction</code></a></dt>\n<dd>\n<p>一个表示元素的 <a href=\"/zh-CN/docs/Web/HTML/Element/input#formaction\"><code>formaction</code></a> 属性的字符串，包含处理元素提交信息程序的 URI。这会覆盖父表单的 <a href=\"/zh-CN/docs/Web/HTML/Element/form#action\"><code>action</code></a> 属性。</p>\n</dd>\n<dt id=\"formenctype\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/formEnctype\" title=\"formEnctype\" class=\"only-in-en-us\"><code>formEnctype</code></a></dt>\n<dd>\n<p>一个表示元素的 <a href=\"/zh-CN/docs/Web/HTML/Element/input#formenctype\"><code>formenctype</code></a> 属性的字符串，包含将表单提交到服务器的内容类型。这会覆盖父表单的 <a href=\"/zh-CN/docs/Web/HTML/Element/form#enctype\"><code>enctype</code></a> 属性。</p>\n</dd>\n<dt id=\"formmethod\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/formMethod\" title=\"formMethod\" class=\"only-in-en-us\"><code>formMethod</code></a></dt>\n<dd>\n<p>一个表示元素的 <a href=\"/zh-CN/docs/Web/HTML/Element/input#formmethod\"><code>formmethod</code></a> 属性的字符串，包含浏览器用于提交表单的 HTTP 方法。这会覆盖父表单的 <a href=\"/zh-CN/docs/Web/HTML/Element/form#method\"><code>method</code></a> 属性。</p>\n</dd>\n<dt id=\"formnovalidate\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/formNoValidate\" title=\"formNoValidate\" class=\"only-in-en-us\"><code>formNoValidate</code></a></dt>\n<dd>\n<p>一个表示元素的 <a href=\"/zh-CN/docs/Web/HTML/Element/input#formnovalidate\"><code>formnovalidate</code></a> 属性的布尔值，表示在提交表单时不对其进行验证。这会覆盖父表单的 <a href=\"/zh-CN/docs/Web/HTML/Element/form#novalidate\"><code>novalidate</code></a> 属性。</p>\n</dd>\n<dt id=\"formtarget\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/formTarget\" title=\"formTarget\" class=\"only-in-en-us\"><code>formTarget</code></a></dt>\n<dd>\n<p>一个表示元素的 <a href=\"/zh-CN/docs/Web/HTML/Element/input#formtarget\"><code>formtarget</code></a> 属性的字符串，包含一个名称或关键字，表示在提交表单后接收响应的显示位置。这会覆盖父表单的 <a href=\"/zh-CN/docs/Web/HTML/Element/form#target\"><code>target</code></a> 属性。</p>\n</dd>\n</dl>"}},{"type":"prose","value":{"id":"适用于任何类型的非隐藏输入元素的实例属性","title":"适用于任何类型的非隐藏输入元素的实例属性","isH3":true,"content":"<dl>\n<dt id=\"disabled\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/disabled\" title=\"disabled\" class=\"only-in-en-us\"><code>disabled</code></a></dt>\n<dd>\n<p>一个表示元素的 <a href=\"/zh-CN/docs/Web/HTML/Element/input#disabled\"><code>disabled</code></a> 属性的布尔值，表示该控件不可用于交互。输入值将不会与表单一起提交。参见 <a href=\"/zh-CN/docs/Web/HTML/Element/input#readonly\"><code>readonly</code></a>。</p>\n</dd>\n<dt id=\"required\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/required\" title=\"required\" class=\"only-in-en-us\"><code>required</code></a></dt>\n<dd>\n<p>一个表示元素的 <a href=\"/zh-CN/docs/Web/HTML/Element/input#required\"><code>required</code></a> 属性的布尔值，表示用户必须在提交表单之前填写值。</p>\n</dd>\n<dt id=\"validationmessage\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/validationMessage\" title=\"validationMessage\" class=\"only-in-en-us\"><code>validationMessage</code></a> <span class=\"badge inline readonly\" title=\"该属性的值无法更改\">只读 </span></dt>\n<dd>\n<p>返回一条描述控件不满足时的验证约束的本地化消息。如果控件不是约束验证的候选项（<a href=\"/zh-CN/docs/Web/API/HTMLObjectElement/willValidate\"><code>willValidate</code></a> 为 <code>false</code>），或者它满足其约束，则为空字符串。此值可以通过 <a href=\"/en-US/docs/Web/API/HTMLInputElement/setCustomValidity\" title=\"setCustomValidity()\" class=\"only-in-en-us\"><code>setCustomValidity()</code></a> 方法设置。</p>\n</dd>\n<dt id=\"validity\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/validity\" title=\"validity\" class=\"only-in-en-us\"><code>validity</code></a> <span class=\"badge inline readonly\" title=\"该属性的值无法更改\">只读 </span></dt>\n<dd>\n<p>返回元素当前的有效状态。</p>\n</dd>\n<dt id=\"willvalidate\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/willValidate\" title=\"willValidate\" class=\"only-in-en-us\"><code>willValidate</code></a> <span class=\"badge inline readonly\" title=\"该属性的值无法更改\">只读 </span></dt>\n<dd>\n<p>返回元素是否是约束验证的候选项。如果任何条件阻止它进行约束验证，则为 <code>false</code>，包括：它的 <code>type</code> 是 <code>hidden</code>、<code>reset</code> 或 <code>button</code> 之一，它的祖先中有 <a href=\"/zh-CN/docs/Web/HTML/Element/datalist\"><code><datalist></code></a> 或者它的 <code>disabled</code> 属性为 <code>true</code>。</p>\n</dd>\n</dl>"}},{"type":"prose","value":{"id":"仅适用于复选框和单选按钮元素的实例属性","title":"仅适用于复选框和单选按钮元素的实例属性","isH3":true,"content":"<dl>\n<dt id=\"checked\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/checked\" title=\"checked\" class=\"only-in-en-us\"><code>checked</code></a></dt>\n<dd>\n<p>一个表示元素当前状态的布尔值。</p>\n</dd>\n<dt id=\"defaultchecked\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/defaultChecked\" title=\"defaultChecked\" class=\"only-in-en-us\"><code>defaultChecked</code></a></dt>\n<dd>\n<p>一个表示单选按钮或复选框的默认状态的布尔值，该值最初是在创建此对象的 HTML 中指定的。</p>\n</dd>\n<dt id=\"indeterminate\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/indeterminate\" title=\"indeterminate\" class=\"only-in-en-us\"><code>indeterminate</code></a></dt>\n<dd>\n<p>一个表示复选框或单选按钮是否处于不确定状态的布尔值。对于复选框，效果是复选框的外观被某种方式遮挡/变灰，以表示其状态是不确定的（既不选中也不未选中）。不会影响 <code>checked</code> 属性的值，单击复选框将其值设置为假。</p>\n</dd>\n</dl>"}},{"type":"prose","value":{"id":"仅适用于图像类型的元素的实例属性","title":"仅适用于图像类型的元素的实例属性","isH3":true,"content":"<dl>\n<dt id=\"alt\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/alt\" title=\"alt\" class=\"only-in-en-us\"><code>alt</code></a></dt>\n<dd>\n<p>一个表示元素的 <a href=\"/zh-CN/docs/Web/HTML/Element/input#alt\"><code>alt</code></a> 属性的字符串，包含要使用的替代文本。</p>\n</dd>\n<dt id=\"height\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/height\" title=\"height\" class=\"only-in-en-us\"><code>height</code></a></dt>\n<dd>\n<p>一个表示元素的 <a href=\"/zh-CN/docs/Web/HTML/Element/input#height\"><code>height</code></a> 属性的字符串，包含要显示为按钮的图像的高度。</p>\n</dd>\n<dt id=\"src\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/src\" title=\"src\" class=\"only-in-en-us\"><code>src</code></a></dt>\n<dd>\n<p>一个表示元素的 <a href=\"/zh-CN/docs/Web/HTML/Element/input#src\"><code>src</code></a> 属性的字符串，包含要显示为图形提交按钮上的图像的位置的 URI。</p>\n</dd>\n<dt id=\"width\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/width\" title=\"width\" class=\"only-in-en-us\"><code>width</code></a></dt>\n<dd>\n<p>一个表示元素的 <a href=\"/zh-CN/docs/Web/HTML/Element/input#width\"><code>width</code></a> 属性的字符串，包含要显示为按钮的图像的宽度。</p>\n</dd>\n</dl>"}},{"type":"prose","value":{"id":"仅适用于文件类型的元素的实例属性","title":"仅适用于文件类型的元素的实例属性","isH3":true,"content":"<dl>\n<dt id=\"accept\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/accept\" title=\"accept\" class=\"only-in-en-us\"><code>accept</code></a></dt>\n<dd>\n<p>一个表示元素的 <a href=\"/zh-CN/docs/Web/HTML/Element/input#accept\"><code>accept</code></a> 属性的字符串，包含可以选择的文件类型的以逗号分隔的列表。</p>\n</dd>\n<dt id=\"files\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/files\" title=\"files\" class=\"only-in-en-us\"><code>files</code></a></dt>\n<dd>\n<p>一个 <a href=\"/zh-CN/docs/Web/API/FileList\"><code>FileList</code></a>，表示选择的要上传的文件。</p>\n</dd>\n<dt id=\"webkitdirectory\"><a href=\"/zh-CN/docs/Web/API/HTMLInputElement/webkitdirectory\" title=\"webkitdirectory\"><code>webkitdirectory</code></a></dt>\n<dd>\n<p>一个表示 <a href=\"/zh-CN/docs/Web/HTML/Element/input#webkitdirectory\"><code>webkitdirectory</code></a> 属性的布尔值。如果为 <code>true</code>，则文件系统选择器接口仅接受目录而不是文件。</p>\n</dd>\n<dt id=\"webkitentries\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/webkitEntries\" title=\"webkitEntries\" class=\"only-in-en-us\"><code>webkitEntries</code></a> <span class=\"badge inline readonly\" title=\"该属性的值无法更改\">只读 </span></dt>\n<dd>\n<p>描述当前选择的文件或目录。</p>\n</dd>\n</dl>"}},{"type":"prose","value":{"id":"仅适用于包含文本或数字的可见元素的实例属性","title":"仅适用于包含文本或数字的可见元素的实例属性","isH3":true,"content":"<dl>\n<dt id=\"autocomplete\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/autocomplete\" title=\"autocomplete\" class=\"only-in-en-us\"><code>autocomplete</code></a></dt>\n<dd>\n<p>一个表示元素的 <a href=\"/zh-CN/docs/Web/HTML/Element/input#autocomplete\"><code>autocomplete</code></a> 属性的字符串，表示控件的值是否可以由浏览器自动填充。</p>\n</dd>\n<dt id=\"capture\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/capture\" title=\"capture\" class=\"only-in-en-us\"><code>capture</code></a></dt>\n<dd>\n<p>一个表示元素的 <a href=\"/zh-CN/docs/Web/HTML/Element/input#capture\"><code>capture</code></a> 属性的字符串，指示文件上传控件中的媒体捕获输入方法。</p>\n</dd>\n<dt id=\"max\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/max\" title=\"max\" class=\"only-in-en-us\"><code>max</code></a></dt>\n<dd>\n<p>一个表示元素的 <a href=\"/zh-CN/docs/Web/HTML/Element/input#max\"><code>max</code></a> 属性的字符串，包含此项的最大（数字或日期时间）值，该值不能小于其最小（<a href=\"/zh-CN/docs/Web/HTML/Element/input#min\"><code>min</code></a> 属性）值。</p>\n</dd>\n<dt id=\"maxlength\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/maxLength\" title=\"maxLength\" class=\"only-in-en-us\"><code>maxLength</code></a></dt>\n<dd>\n<p>一个表示元素的 <a href=\"/zh-CN/docs/Web/HTML/Element/input#maxlength\"><code>maxlength</code></a> 属性的数字，包含值可以具有的最大字符数（以 Unicode 码点表示）。</p>\n</dd>\n<dt id=\"min\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/min\" title=\"min\" class=\"only-in-en-us\"><code>min</code></a></dt>\n<dd>\n<p>一个表示元素的 <a href=\"/zh-CN/docs/Web/HTML/Element/input#min\"><code>min</code></a> 属性的字符串，包含此项的最小（数字或日期时间）值，该值不能大于其最大（<a href=\"/zh-CN/docs/Web/HTML/Element/input#max\"><code>max</code></a> 属性）值。</p>\n</dd>\n<dt id=\"minlength\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/minLength\" title=\"minLength\" class=\"only-in-en-us\"><code>minLength</code></a></dt>\n<dd>\n<p>一个表示元素的 <a href=\"/zh-CN/docs/Web/HTML/Element/input#minlength\"><code>minlength</code></a> 属性的数字，包含值可以具有的最小字符数（以 Unicode 码点表示）。</p>\n</dd>\n<dt id=\"pattern\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/pattern\" title=\"pattern\" class=\"only-in-en-us\"><code>pattern</code></a></dt>\n<dd>\n<p>一个表示元素的 <a href=\"/zh-CN/docs/Web/HTML/Element/input#pattern\"><code>pattern</code></a> 属性的字符串，包含要检查控件值的正则表达式。使用 <a href=\"/zh-CN/docs/Web/HTML/Element/input#title\"><code>title</code></a> 属性来描述模式以帮助用户。此属性仅适用于 <a href=\"/zh-CN/docs/Web/HTML/Element/input#type\"><code>type</code></a> 属性的值为 <code>text</code>、<code>search</code>、<code>tel</code>、<code>url</code> 或 <code>email</code> 的情况。</p>\n</dd>\n<dt id=\"placeholder\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/placeholder\" title=\"placeholder\" class=\"only-in-en-us\"><code>placeholder</code></a></dt>\n<dd>\n<p>一个表示元素的 <a href=\"/zh-CN/docs/Web/HTML/Element/input#placeholder\"><code>placeholder</code></a> 属性的字符串，包含一个提示，告诉用户可以在控件中输入什么。占位符文本不能包含回车或换行符。此属性仅适用于 <a href=\"/zh-CN/docs/Web/HTML/Element/input#type\"><code>type</code></a> 属性的值为 <code>text</code>、<code>search</code>、<code>tel</code>、<code>url</code> 或 <code>email</code> 的情况。</p>\n</dd>\n<dt id=\"readonly\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/readOnly\" title=\"readOnly\" class=\"only-in-en-us\"><code>readOnly</code></a></dt>\n<dd>\n<p>一个表示元素的 <a href=\"/zh-CN/docs/Web/HTML/Element/input#readonly\"><code>readonly</code></a> 属性的布尔值，指示用户无法修改控件的值。如果 <a href=\"/zh-CN/docs/Web/HTML/Element/input#type\"><code>type</code></a> 为 <code>hidden</code>、<code>range</code>、<code>color</code>、<code>checkbox</code>、<code>radio</code>、<code>file</code> 或按钮类型，则忽略此属性。</p>\n</dd>\n<dt id=\"selectiondirection\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/selectionDirection\" title=\"selectionDirection\" class=\"only-in-en-us\"><code>selectionDirection</code></a></dt>\n<dd>\n<p>一个表示选择发生的方向的字符串。可能的值为：<code>forward</code>（选择是从当前区域设置的起始到结束方向上执行的）、<code>backward</code>（相反的方向）或 <code>none</code>（方向未知）。</p>\n</dd>\n<dt id=\"selectionend\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/selectionEnd\" title=\"selectionEnd\" class=\"only-in-en-us\"><code>selectionEnd</code></a></dt>\n<dd>\n<p>一个表示选择文本的结束索引的数字。当没有选择时，它返回当前文本输入光标位置后面的字符的偏移量。</p>\n</dd>\n<dt id=\"selectionstart\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/selectionStart\" title=\"selectionStart\" class=\"only-in-en-us\"><code>selectionStart</code></a></dt>\n<dd>\n<p>一个表示选择文本的开始索引的数字。当没有选择时，它返回当前文本输入光标位置的偏移量。</p>\n</dd>\n<dt id=\"size\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/size\" title=\"size\" class=\"only-in-en-us\"><code>size</code></a></dt>\n<dd>\n<p>一个表示元素的 <a href=\"/zh-CN/docs/Web/HTML/Element/input#size\"><code>size</code></a> 属性的数字，包含控件的可视大小。此值以像素为单位，除非 <a href=\"/zh-CN/docs/Web/HTML/Element/input#type\"><code>type</code></a> 的值为 <code>text</code> 或 <code>password</code>，在这种情况下，它是一个整数字符数。仅当 <a href=\"/zh-CN/docs/Web/HTML/Element/input#type\"><code>type</code></a> 设置为 <code>text</code>、<code>search</code>、<code>tel</code>、<code>url</code>、<code>email</code> 或 <code>password</code> 时才适用。</p>\n</dd>\n</dl>"}},{"type":"prose","value":{"id":"实例方法","title":"实例方法","isH3":false,"content":"<p><em>也从其父接口 <a href=\"/zh-CN/docs/Web/API/HTMLElement\"><code>HTMLElement</code></a> 继承方法。</em></p>\n<dl>\n<dt id=\"checkvalidity\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/checkValidity\" title=\"checkValidity()\" class=\"only-in-en-us\"><code>checkValidity()</code></a></dt>\n<dd>\n<p>返回一个布尔值，如果元素是约束验证的候选项，并且它不满足其约束，则为 <code>false</code>。在这种情况下，它还会在元素上触发 <a href=\"/zh-CN/docs/Web/API/HTMLInputElement/invalid_event\" title=\"invalid\"><code>invalid</code></a> 事件。如果元素不是约束验证的候选项，或者它满足其约束，则返回 <code>true</code>。</p>\n</dd>\n<dt id=\"reportvalidity\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/reportValidity\" title=\"reportValidity()\" class=\"only-in-en-us\"><code>reportValidity()</code></a></dt>\n<dd>\n<p>运行 <code>checkValidity()</code> 方法，如果它返回 false（对于无效输入或未提供模式属性），则以与提交表单相同的方式向用户报告输入无效。</p>\n</dd>\n<dt id=\"select\"><a href=\"/zh-CN/docs/Web/API/HTMLInputElement/select\" title=\"select()\"><code>select()</code></a></dt>\n<dd>\n<p>选择输入元素中的所有文本，并将其聚焦，以便用户随后可以替换其所有内容。</p>\n</dd>\n<dt id=\"setcustomvalidity\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/setCustomValidity\" title=\"setCustomValidity()\" class=\"only-in-en-us\"><code>setCustomValidity()</code></a></dt>\n<dd>\n<p>设置元素的自定义有效性消息。如果此消息不是空字符串，则元素存在自定义有效性错误，且其值无效。</p>\n</dd>\n<dt id=\"setrangetext\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/setRangeText\" title=\"setRangeText()\" class=\"only-in-en-us\"><code>setRangeText()</code></a></dt>\n<dd>\n<p>替换输入元素中的一段文本为新文本。</p>\n</dd>\n<dt id=\"setselectionrange\"><a href=\"/zh-CN/docs/Web/API/HTMLInputElement/setSelectionRange\" title=\"setSelectionRange()\"><code>setSelectionRange()</code></a></dt>\n<dd>\n<p>选择输入元素中的一段文本（但不聚焦）。</p>\n</dd>\n<dt id=\"showpicker\"><a href=\"/zh-CN/docs/Web/API/HTMLInputElement/showPicker\" title=\"showPicker()\"><code>showPicker()</code></a></dt>\n<dd>\n<p>显示浏览器的日期、时间、颜色和文件选择器。</p>\n</dd>\n<dt id=\"stepdown\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/stepDown\" title=\"stepDown()\" class=\"only-in-en-us\"><code>stepDown()</code></a></dt>\n<dd>\n<p>按 <a href=\"/zh-CN/docs/Web/HTML/Element/input#step\"><code>step</code></a> * n 递减 <a href=\"/zh-CN/docs/Web/HTML/Element/input#value\"><code>value</code></a>，其中 n 默认为 1（如果未指定）。</p>\n</dd>\n<dt id=\"stepup\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/stepUp\" title=\"stepUp()\" class=\"only-in-en-us\"><code>stepUp()</code></a></dt>\n<dd>\n<p>按 <a href=\"/zh-CN/docs/Web/HTML/Element/input#step\"><code>step</code></a> * n 递增 <a href=\"/zh-CN/docs/Web/HTML/Element/input#value\"><code>value</code></a>，其中 n 默认为 1（如果未指定）。</p>\n</dd>\n</dl>"}},{"type":"prose","value":{"id":"事件","title":"事件","isH3":false,"content":"<p><em>也从其父接口 <a href=\"/zh-CN/docs/Web/API/HTMLElement\"><code>HTMLElement</code></a> 继承事件。</em></p>\n<p>使用 <a href=\"/zh-CN/docs/Web/API/EventTarget/addEventListener\" title=\"addEventListener()\"><code>addEventListener()</code></a> 或通过将事件监听器赋值给此接口的 <code>oneventname</code> 属性来监听这些事件：</p>\n<dl>\n<dt id=\"invalid\"><a href=\"/zh-CN/docs/Web/API/HTMLInputElement/invalid_event\" title=\"invalid\"><code>invalid</code></a> 事件</dt>\n<dd>\n<p>当元素在约束验证期间不满足其约束时触发。</p>\n</dd>\n<dt id=\"search\"><a href=\"/en-US/docs/Web/API/HTMLInputElement/search_event\" title=\"search\" class=\"only-in-en-us\"><code>search</code></a> 事件 <abbr class=\"icon icon-nonstandard\" title=\"非标准。请在使用前检查跨浏览器支持。\">\n<span class=\"visually-hidden\">非标准</span>\n</abbr></dt>\n<dd>\n<p>当在 <code>type=\"search\"</code> 的 <a href=\"/zh-CN/docs/Web/HTML/Element/input\"><code><input></code></a> 上开始搜索时触发。</p>\n</dd>\n<dt id=\"select_2\"><a href=\"/zh-CN/docs/Web/API/HTMLInputElement/select_event\" title=\"select\"><code>select</code></a> 事件</dt>\n<dd>\n<p>当选中了一些文本时触发。</p>\n</dd>\n<dt id=\"selectionchange\"><a href=\"/zh-CN/docs/Web/API/HTMLInputElement/selectionchange_event\" title=\"selectionchange\"><code>selectionchange</code></a> 事件 <abbr class=\"icon icon-experimental\" title=\"实验性。预期行为可能会在未来发生变更。\">\n<span class=\"visually-hidden\">实验性</span>\n</abbr></dt>\n<dd>\n<p>在 <a href=\"/zh-CN/docs/Web/HTML/Element/input\"><code><input></code></a> 元素中的文本选择发生更改后触发。</p>\n</dd>\n</dl>"}},{"type":"specifications","value":{"id":"规范","title":"规范","isH3":false,"specifications":[{"bcdSpecificationURL":"https://html.spec.whatwg.org/multipage/input.html#htmlinputelement","title":"HTML"}],"query":"api.HTMLInputElement"}},{"type":"browser_compatibility","value":{"id":"浏览器兼容性","title":"浏览器兼容性","isH3":false,"query":"api.HTMLInputElement"}},{"type":"prose","value":{"id":"参见","title":"参见","isH3":false,"content":"<ul>\n<li>实现了该接口的 HTML 元素：<a href=\"/zh-CN/docs/Web/HTML/Element/input\"><code><input></code></a></li>\n</ul>"}}],"isActive":true,"isMarkdown":true,"isTranslated":true,"locale":"zh-CN","mdn_url":"/zh-CN/docs/Web/API/HTMLInputElement","modified":"2024-01-14T04:33:34.000Z","native":"中文 (简体)","noIndexing":false,"other_translations":[{"locale":"en-US","title":"HTMLInputElement","native":"English (US)"},{"locale":"de","title":"HTMLInputElement","native":"Deutsch"},{"locale":"es","title":"HTMLInputElement","native":"Español"},{"locale":"fr","title":"HTMLInputElement","native":"Français"},{"locale":"ja","title":"HTMLInputElement","native":"日本語"},{"locale":"pt-BR","title":"HTMLInputElement","native":"Português (do Brasil)"}],"pageTitle":"HTMLInputElement - Web API | MDN","parents":[{"uri":"/zh-CN/docs/Web","title":"面向开发者的 Web 技术"},{"uri":"/zh-CN/docs/Web/API","title":"Web API"},{"uri":"/zh-CN/docs/Web/API/HTMLInputElement","title":"HTMLInputElement"}],"popularity":null,"short_title":"HTMLInputElement","sidebarHTML":"<ol><li class=\"section\"><a href=\"/zh-CN/docs/Web/API/HTML_DOM_API\">HTML DOM API</a></li><li class=\"section\"><em><a href=\"/zh-CN/docs/Web/API/HTMLInputElement\" aria-current=\"page\"><code>HTMLInputElement</code></a></em></li><li class=\"toggle\"><details open=\"\"><summary>实例属性</summary><ol><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/accept\" class=\"only-in-en-us\"><code>accept</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/alt\" class=\"only-in-en-us\"><code>alt</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/autocomplete\" class=\"only-in-en-us\"><code>autocomplete</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/capture\" class=\"only-in-en-us\"><code>capture</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/checked\" class=\"only-in-en-us\"><code>checked</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/defaultChecked\" class=\"only-in-en-us\"><code>defaultChecked</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/defaultValue\" class=\"only-in-en-us\"><code>defaultValue</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/disabled\" class=\"only-in-en-us\"><code>disabled</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/files\" class=\"only-in-en-us\"><code>files</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/form\" class=\"only-in-en-us\"><code>form</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/formAction\" class=\"only-in-en-us\"><code>formAction</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/formEnctype\" class=\"only-in-en-us\"><code>formEnctype</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/formMethod\" class=\"only-in-en-us\"><code>formMethod</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/formNoValidate\" class=\"only-in-en-us\"><code>formNoValidate</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/formTarget\" class=\"only-in-en-us\"><code>formTarget</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/height\" class=\"only-in-en-us\"><code>height</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/indeterminate\" class=\"only-in-en-us\"><code>indeterminate</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLInputElement/labels\"><code>labels</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/list\" class=\"only-in-en-us\"><code>list</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/max\" class=\"only-in-en-us\"><code>max</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/maxLength\" class=\"only-in-en-us\"><code>maxLength</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/min\" class=\"only-in-en-us\"><code>min</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/minLength\" class=\"only-in-en-us\"><code>minLength</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLInputElement/multiple\"><code>multiple</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/name\" class=\"only-in-en-us\"><code>name</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/pattern\" class=\"only-in-en-us\"><code>pattern</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/placeholder\" class=\"only-in-en-us\"><code>placeholder</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/popoverTargetAction\" class=\"only-in-en-us\"><code>popoverTargetAction</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/popoverTargetElement\" class=\"only-in-en-us\"><code>popoverTargetElement</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/readOnly\" class=\"only-in-en-us\"><code>readOnly</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/required\" class=\"only-in-en-us\"><code>required</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/selectionDirection\" class=\"only-in-en-us\"><code>selectionDirection</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/selectionEnd\" class=\"only-in-en-us\"><code>selectionEnd</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/selectionStart\" class=\"only-in-en-us\"><code>selectionStart</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/size\" class=\"only-in-en-us\"><code>size</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/src\" class=\"only-in-en-us\"><code>src</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/step\" class=\"only-in-en-us\"><code>step</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/type\" class=\"only-in-en-us\"><code>type</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/validationMessage\" class=\"only-in-en-us\"><code>validationMessage</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/validity\" class=\"only-in-en-us\"><code>validity</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/value\" class=\"only-in-en-us\"><code>value</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/valueAsDate\" class=\"only-in-en-us\"><code>valueAsDate</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/valueAsNumber\" class=\"only-in-en-us\"><code>valueAsNumber</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLInputElement/webkitdirectory\"><code>webkitdirectory</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/webkitEntries\" class=\"only-in-en-us\"><code>webkitEntries</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/width\" class=\"only-in-en-us\"><code>width</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/willValidate\" class=\"only-in-en-us\"><code>willValidate</code></a></li></ol></details></li><li class=\"toggle\"><details open=\"\"><summary>实例方法</summary><ol><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/checkValidity\" class=\"only-in-en-us\"><code>checkValidity()</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/reportValidity\" class=\"only-in-en-us\"><code>reportValidity()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLInputElement/select\"><code>select()</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/setCustomValidity\" class=\"only-in-en-us\"><code>setCustomValidity()</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/setRangeText\" class=\"only-in-en-us\"><code>setRangeText()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLInputElement/setSelectionRange\"><code>setSelectionRange()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLInputElement/showPicker\"><code>showPicker()</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/stepDown\" class=\"only-in-en-us\"><code>stepDown()</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/stepUp\" class=\"only-in-en-us\"><code>stepUp()</code></a></li></ol></details></li><li class=\"toggle\"><details open=\"\"><summary>事件</summary><ol><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/cancel_event\" class=\"only-in-en-us\"><code>cancel</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLInputElement/invalid_event\"><code>invalid</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLInputElement/search_event\" class=\"only-in-en-us\"><code>search</code></a><abbr class=\"icon icon-nonstandard\" title=\"非标准。请在使用前检查跨浏览器支持。\">\n<span class=\"visually-hidden\">非标准</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/API/HTMLInputElement/select_event\"><code>select</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLInputElement/selectionchange_event\"><code>selectionchange</code></a><abbr class=\"icon icon-experimental\" title=\"实验性。预期行为可能会在未来发生变更。\">\n<span class=\"visually-hidden\">实验性</span>\n</abbr></li></ol></details></li><li class=\"toggle\"><details open=\"\"><summary>继承</summary><ol><li><a href=\"/zh-CN/docs/Web/API/HTMLElement\"><code>HTMLElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Element\"><code>Element</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Node\"><code>Node</code></a></li><li><a href=\"/zh-CN/docs/Web/API/EventTarget\"><code>EventTarget</code></a></li></ol></details></li><li class=\"toggle\"><details open=\"\"><summary>HTML DOM 的相关页面</summary><ol><li><a href=\"/zh-CN/docs/Web/API/BeforeUnloadEvent\"><code>BeforeUnloadEvent</code></a></li><li><a href=\"/zh-CN/docs/Web/API/DOMStringMap\"><code>DOMStringMap</code></a></li><li><a href=\"/zh-CN/docs/Web/API/ErrorEvent\"><code>ErrorEvent</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLAnchorElement\"><code>HTMLAnchorElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLAreaElement\"><code>HTMLAreaElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLAudioElement\"><code>HTMLAudioElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLBRElement\"><code>HTMLBRElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLBaseElement\"><code>HTMLBaseElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLBodyElement\"><code>HTMLBodyElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLButtonElement\"><code>HTMLButtonElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLCanvasElement\"><code>HTMLCanvasElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLDListElement\"><code>HTMLDListElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLDataElement\"><code>HTMLDataElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLDataListElement\"><code>HTMLDataListElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLDialogElement\"><code>HTMLDialogElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLDivElement\"><code>HTMLDivElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLDocument\"><code>HTMLDocument</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLElement\"><code>HTMLElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLEmbedElement\"><code>HTMLEmbedElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLFieldSetElement\"><code>HTMLFieldSetElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLFormControlsCollection\"><code>HTMLFormControlsCollection</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLFormElement\"><code>HTMLFormElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLFrameSetElement\"><code>HTMLFrameSetElement</code></a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n<span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/API/HTMLHRElement\"><code>HTMLHRElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLHeadElement\"><code>HTMLHeadElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLHeadingElement\"><code>HTMLHeadingElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLHtmlElement\"><code>HTMLHtmlElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLIFrameElement\"><code>HTMLIFrameElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLImageElement\"><code>HTMLImageElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLLIElement\"><code>HTMLLIElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLLabelElement\"><code>HTMLLabelElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLLegendElement\"><code>HTMLLegendElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLLinkElement\"><code>HTMLLinkElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLMapElement\"><code>HTMLMapElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLMediaElement\"><code>HTMLMediaElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLMenuElement\"><code>HTMLMenuElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLMetaElement\"><code>HTMLMetaElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLMeterElement\"><code>HTMLMeterElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLModElement\"><code>HTMLModElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLOListElement\"><code>HTMLOListElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLObjectElement\"><code>HTMLObjectElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLOptGroupElement\"><code>HTMLOptGroupElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLOptionElement\"><code>HTMLOptionElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLOptionsCollection\"><code>HTMLOptionsCollection</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLOutputElement\"><code>HTMLOutputElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLParagraphElement\"><code>HTMLParagraphElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLPictureElement\"><code>HTMLPictureElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLPreElement\"><code>HTMLPreElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLProgressElement\"><code>HTMLProgressElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLQuoteElement\"><code>HTMLQuoteElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLScriptElement\"><code>HTMLScriptElement</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLSelectElement\" class=\"only-in-en-us\"><code>HTMLSelectElement</code></a></li><li><a href=\"/en-US/docs/Web/API/HTMLSourceElement\" class=\"only-in-en-us\"><code>HTMLSourceElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLSpanElement\"><code>HTMLSpanElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLStyleElement\"><code>HTMLStyleElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLTableCaptionElement\"><code>HTMLTableCaptionElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLTableCellElement\"><code>HTMLTableCellElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLTableColElement\"><code>HTMLTableColElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLTableElement\"><code>HTMLTableElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLTableRowElement\"><code>HTMLTableRowElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLTableSectionElement\"><code>HTMLTableSectionElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLTemplateElement\"><code>HTMLTemplateElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLTextAreaElement\"><code>HTMLTextAreaElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLTimeElement\"><code>HTMLTimeElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLTitleElement\"><code>HTMLTitleElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLTrackElement\"><code>HTMLTrackElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLUListElement\"><code>HTMLUListElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLUnknownElement\"><code>HTMLUnknownElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLVideoElement\"><code>HTMLVideoElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HashChangeEvent\"><code>HashChangeEvent</code></a></li><li><a href=\"/zh-CN/docs/Web/API/History\"><code>History</code></a></li><li><a href=\"/zh-CN/docs/Web/API/ImageData\"><code>ImageData</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Location\"><code>Location</code></a></li><li><a href=\"/zh-CN/docs/Web/API/MessageChannel\"><code>MessageChannel</code></a></li><li><a href=\"/zh-CN/docs/Web/API/MessageEvent\"><code>MessageEvent</code></a></li><li><a href=\"/zh-CN/docs/Web/API/MessagePort\"><code>MessagePort</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Navigator\"><code>Navigator</code></a></li><li><a href=\"/en-US/docs/Web/API/PageRevealEvent\" class=\"only-in-en-us\"><code>PageRevealEvent</code></a></li><li><a href=\"/en-US/docs/Web/API/PageSwapEvent\" class=\"only-in-en-us\"><code>PageSwapEvent</code></a></li><li><a href=\"/zh-CN/docs/Web/API/PageTransitionEvent\"><code>PageTransitionEvent</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Plugin\"><code>Plugin</code></a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n<span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/en-US/docs/Web/API/PluginArray\" class=\"only-in-en-us\"><code>PluginArray</code></a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n<span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/API/PromiseRejectionEvent\"><code>PromiseRejectionEvent</code></a></li><li><a href=\"/en-US/docs/Web/API/RadioNodeList\" class=\"only-in-en-us\"><code>RadioNodeList</code></a></li><li><a href=\"/zh-CN/docs/Web/API/UserActivation\"><code>UserActivation</code></a></li><li><a href=\"/zh-CN/docs/Web/API/ValidityState\"><code>ValidityState</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window\"><code>Window</code></a></li><li><a href=\"/zh-CN/docs/Web/API/WorkletGlobalScope\"><code>WorkletGlobalScope</code></a></li></ol></details></li></ol>","source":{"folder":"zh-cn/web/api/htmlinputelement","github_url":"https://github.com/mdn/translated-content/blob/main/files/zh-cn/web/api/htmlinputelement/index.md","last_commit_url":"https://github.com/mdn/translated-content/commit/0325ee176aece66a526f183934cd5a2e22eb64e3","filename":"index.md"},"summary":"HTMLInputElement 接口提供了特定的属性和方法，用于管理 <input> 元素的选项、布局和外观。","title":"HTMLInputElement","toc":[{"text":"实例属性","id":"实例属性"},{"text":"实例方法","id":"实例方法"},{"text":"事件","id":"事件"},{"text":"规范","id":"规范"},{"text":"浏览器兼容性","id":"浏览器兼容性"},{"text":"参见","id":"参见"}],"baseline":{"baseline":"high","baseline_low_date":"2015-07-29","baseline_high_date":"2018-01-29","support":{"chrome":"1","chrome_android":"18","edge":"12","firefox":"1","firefox_android":"4","safari":"1","safari_ios":"1"},"asterisk":true},"browserCompat":["api.HTMLInputElement"],"pageType":"web-api-interface"}}</script></body></html>