CINXE.COM
<bdo>: The Bidirectional Text Override element - HTML: HyperText Markup Language | MDN
<!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><bdo>: The Bidirectional Text Override element - HTML: HyperText Markup Language | MDN</title><link rel="alternate" title="<bdo>: Das Bidirectional Text Override Element" href="https://developer.mozilla.org/de/docs/Web/HTML/Element/bdo" hrefLang="de"/><link rel="alternate" title="bdo" href="https://developer.mozilla.org/es/docs/Web/HTML/Element/bdo" hrefLang="es"/><link rel="alternate" title="<bdo> : l'élément de remplacement bidirectionnelle" href="https://developer.mozilla.org/fr/docs/Web/HTML/Element/bdo" hrefLang="fr"/><link rel="alternate" title="<bdo>: 双方向文字列上書き要素" href="https://developer.mozilla.org/ja/docs/Web/HTML/Element/bdo" hrefLang="ja"/><link rel="alternate" title="<bdo>: 양방향 텍스트 재정의 요소" href="https://developer.mozilla.org/ko/docs/Web/HTML/Element/bdo" hrefLang="ko"/><link rel="alternate" title="<bdo>" href="https://developer.mozilla.org/pt-BR/docs/Web/HTML/Element/bdo" hrefLang="pt"/><link rel="alternate" title="<bdo>: Элемент переопределения направления текста" href="https://developer.mozilla.org/ru/docs/Web/HTML/Element/bdo" hrefLang="ru"/><link rel="alternate" title="<bdo>:双向文本覆盖元素" href="https://developer.mozilla.org/zh-CN/docs/Web/HTML/Element/bdo" hrefLang="zh"/><link rel="alternate" title="<bdo>:雙向文字覆蓋元素" href="https://developer.mozilla.org/zh-TW/docs/Web/HTML/Element/bdo" hrefLang="zh-Hant"/><link rel="alternate" title="<bdo>: The Bidirectional Text Override element" href="https://developer.mozilla.org/en-US/docs/Web/HTML/Element/bdo" hrefLang="en"/><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="The <bdo> HTML element overrides the current directionality of text, so that the text within is rendered in a different direction."/><meta property="og:url" content="https://developer.mozilla.org/en-US/docs/Web/HTML/Element/bdo"/><meta property="og:title" content="<bdo>: The Bidirectional Text Override element - HTML: HyperText Markup Language | MDN"/><meta property="og:type" content="website"/><meta property="og:locale" content="en_US"/><meta property="og:description" content="The <bdo> HTML element overrides the current directionality of text, so that the text within is rendered in a different direction."/><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/en-US/docs/Web/HTML/Element/bdo"/><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.5e889624.js"></script><link href="/static/css/main.26c64ea7.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-html 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="/en-US/" 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="/en-US/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="/en-US/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="/en-US/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="/en-US/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="/en-US/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="/en-US/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="/en-US/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="/en-US/docs/Mozilla/Add-ons/WebExtensions" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Web Extensions</div><p class="submenu-item-description">Developing extensions for web browsers</p></div></a></li><li class="apis-link-container desktop-only "><a href="/en-US/docs/Web" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Web Technology</div><p class="submenu-item-description">Web technology reference for developers</p></div></a></li></ul></li><li class="top-level-entry-container "><button type="button" id="guides-button" class="top-level-entry menu-toggle" aria-controls="guides-menu" aria-expanded="false">Guides</button><a href="/en-US/docs/Learn" class="top-level-entry">Guides</a><ul id="guides-menu" class="submenu guides hidden inline-submenu-lg" aria-labelledby="guides-button"><li class="apis-link-container mobile-only "><a href="/en-US/docs/Learn" class="submenu-item "><div class="submenu-icon learn"></div><div class="submenu-content-container"><div class="submenu-item-heading">Overview / MDN Learning Area</div><p class="submenu-item-description">Learn web development</p></div></a></li><li class="apis-link-container desktop-only "><a href="/en-US/docs/Learn" class="submenu-item "><div class="submenu-icon learn"></div><div class="submenu-content-container"><div class="submenu-item-heading">MDN Learning Area</div><p class="submenu-item-description">Learn web development</p></div></a></li><li class="html-link-container "><a href="/en-US/docs/Learn/HTML" class="submenu-item "><div class="submenu-icon html"></div><div class="submenu-content-container"><div class="submenu-item-heading">HTML</div><p class="submenu-item-description">Learn to structure web content with HTML</p></div></a></li><li class="css-link-container "><a href="/en-US/docs/Learn/CSS" class="submenu-item "><div class="submenu-icon css"></div><div class="submenu-content-container"><div class="submenu-item-heading">CSS</div><p class="submenu-item-description">Learn to style content using CSS</p></div></a></li><li class="javascript-link-container "><a href="/en-US/docs/Learn/JavaScript" class="submenu-item "><div class="submenu-icon javascript"></div><div class="submenu-content-container"><div class="submenu-item-heading">JavaScript</div><p class="submenu-item-description">Learn to run scripts in the browser</p></div></a></li><li class=" "><a href="/en-US/docs/Web/Accessibility" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Accessibility</div><p class="submenu-item-description">Learn to make the web accessible to all</p></div></a></li></ul></li><li class="top-level-entry-container "><button type="button" id="mdn-plus-button" class="top-level-entry menu-toggle" aria-controls="mdn-plus-menu" aria-expanded="false">Plus</button><a href="/en-US/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="/en-US/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="/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><li class=" "><a href="/en-US/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="/en-US/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="/en-US/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=%2Fen-US%2Fdocs%2FWeb%2FHTML%2FElement%2Fbdo" class="login-link" rel="nofollow">Log in</a></li><li><a href="/users/fxa/login/authenticate/?next=%2Fen-US%2Fdocs%2FWeb%2FHTML%2FElement%2Fbdo" 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="/en-US/docs/Web" class="breadcrumb" property="item" typeof="WebPage"><span property="name">References</span></a><meta property="position" content="1"/></li><li property="itemListElement" typeof="ListItem"><a href="/en-US/docs/Web/HTML" class="breadcrumb" property="item" typeof="WebPage"><span property="name">HTML</span></a><meta property="position" content="2"/></li><li property="itemListElement" typeof="ListItem"><a href="/en-US/docs/Web/HTML/Element" class="breadcrumb" property="item" typeof="WebPage"><span property="name">Elements</span></a><meta property="position" content="3"/></li><li property="itemListElement" typeof="ListItem"><a href="/en-US/docs/Web/HTML/Element/bdo" class="breadcrumb-current-page" property="item" typeof="WebPage"><span property="name"><bdo></span></a><meta property="position" content="4"/></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>English (US)</span></button><div class="hidden"><ul class="submenu language-menu " aria-labelledby="language-menu-button"><li class=" "><form class="submenu-item locale-redirect-setting"><div class="group"><label class="switch"><input type="checkbox" name="locale-redirect"/><span class="slider"></span><span class="label">Remember language</span></label><a href="https://github.com/orgs/mdn/discussions/739" rel="external noopener noreferrer" target="_blank" title="Enable this setting to automatically switch to this language when it's available. (Click to learn more.)"><span class="icon icon-question-mark "></span></a></div></form></li><li class=" "><a data-locale="de" href="/de/docs/Web/HTML/Element/bdo" 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/HTML/Element/bdo" class="button submenu-item"><span>Español</span></a></li><li class=" "><a data-locale="fr" href="/fr/docs/Web/HTML/Element/bdo" class="button submenu-item"><span>Français</span></a></li><li class=" "><a data-locale="ja" href="/ja/docs/Web/HTML/Element/bdo" class="button submenu-item"><span>日本語</span></a></li><li class=" "><a data-locale="ko" href="/ko/docs/Web/HTML/Element/bdo" class="button submenu-item"><span>한국어</span></a></li><li class=" "><a data-locale="pt-BR" href="/pt-BR/docs/Web/HTML/Element/bdo" class="button submenu-item"><span>Português (do Brasil)</span></a></li><li class=" "><a data-locale="ru" href="/ru/docs/Web/HTML/Element/bdo" class="button submenu-item"><span>Русский</span></a></li><li class=" "><a data-locale="zh-CN" href="/zh-CN/docs/Web/HTML/Element/bdo" class="button submenu-item"><span>中文 (简体)</span></a></li><li class=" "><a data-locale="zh-TW" href="/zh-TW/docs/Web/HTML/Element/bdo" class="button submenu-item"><span>正體中文 (繁體)</span></a></li></ul></div></div></li></ul></div></div></div></div><div class="main-wrapper"><div class="sidebar-container"><aside id="sidebar-quicklinks" class="sidebar" data-macro="HTMLSidebar"><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">In this article</h2></header><ul class="document-toc-list"><li class="document-toc-item "><a class="document-toc-link" href="#try_it">Try it</a></li><li class="document-toc-item "><a class="document-toc-link" href="#attributes">Attributes</a></li><li class="document-toc-item "><a class="document-toc-link" href="#examples">Examples</a></li><li class="document-toc-item "><a class="document-toc-link" href="#notes">Notes</a></li><li class="document-toc-item "><a class="document-toc-link" href="#technical_summary">Technical summary</a></li><li class="document-toc-item "><a class="document-toc-link" href="#specifications">Specifications</a></li><li class="document-toc-item "><a class="document-toc-link" href="#browser_compatibility">Browser compatibility</a></li><li class="document-toc-item "><a class="document-toc-link" href="#see_also">See also</a></li></ul></section></div></div><div class="sidebar-body"> <ol> <li class="section"><a href="/en-US/docs/Web/HTML">HTML</a></li> <li class="section"><a href="/en-US/docs/Learn/HTML">Tutorials</a></li> <li><a href="/en-US/docs/Learn/Getting_started_with_the_web/HTML_basics">HTML basics</a></li> <li class="toggle"> <details> <summary>Introduction to HTML</summary> <ol> <li><a href="/en-US/docs/Learn/HTML/Introduction_to_HTML">Introduction to HTML overview</a></li> <li><a href="/en-US/docs/Learn/HTML/Introduction_to_HTML/Getting_started">Getting started with HTML</a></li> <li><a href="/en-US/docs/Learn/HTML/Introduction_to_HTML/The_head_metadata_in_HTML">What's in the head? Metadata in HTML</a></li> <li><a href="/en-US/docs/Learn/HTML/Introduction_to_HTML/HTML_text_fundamentals">HTML text fundamentals</a></li> <li><a href="/en-US/docs/Learn/HTML/Introduction_to_HTML/Creating_hyperlinks">Creating hyperlinks</a></li> <li><a href="/en-US/docs/Learn/HTML/Introduction_to_HTML/Advanced_text_formatting">Advanced text formatting</a></li> <li><a href="/en-US/docs/Learn/HTML/Introduction_to_HTML/Document_and_website_structure">Document and website structure</a></li> <li><a href="/en-US/docs/Learn/HTML/Introduction_to_HTML/Debugging_HTML">Debugging HTML</a></li> <li><a href="/en-US/docs/Learn/HTML/Introduction_to_HTML/Marking_up_a_letter">Assessment: Marking up a letter</a></li> <li><a href="/en-US/docs/Learn/HTML/Introduction_to_HTML/Structuring_a_page_of_content">Assessment: Structuring a page of content</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>Multimedia and embedding</summary> <ol> <li><a href="/en-US/docs/Learn/HTML/Multimedia_and_embedding">Multimedia and embedding overview</a></li> <li><a href="/en-US/docs/Learn/HTML/Multimedia_and_embedding/Images_in_HTML">Images in HTML</a></li> <li><a href="/en-US/docs/Learn/HTML/Multimedia_and_embedding/Video_and_audio_content">Video and audio content</a></li> <li><a href="/en-US/docs/Learn/HTML/Multimedia_and_embedding/Other_embedding_technologies">From object to iframe — other embedding technologies</a></li> <li><a href="/en-US/docs/Learn/HTML/Multimedia_and_embedding/Adding_vector_graphics_to_the_Web">Adding vector graphics to the web</a></li> <li><a href="/en-US/docs/Learn/HTML/Multimedia_and_embedding/Responsive_images">Responsive images</a></li> <li><a href="/en-US/docs/Learn/HTML/Multimedia_and_embedding/Mozilla_splash_page">Assessment: Mozilla splash page</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>HTML tables</summary> <ol> <li><a href="/en-US/docs/Learn/HTML/Tables">HTML tables overview</a></li> <li><a href="/en-US/docs/Learn/HTML/Tables/Basics">HTML table basics</a></li> <li><a href="/en-US/docs/Learn/HTML/Tables/Advanced">HTML table advanced features and accessibility</a></li> <li><a href="/en-US/docs/Learn/HTML/Tables/Structuring_planet_data">Assessment: Structuring planet data</a></li> </ol> </details> </li> <li class="section"><a href="/en-US/docs/Web/HTML/Reference">References</a></li> <li class="toggle"> <details open=""> <summary>HTML elements</summary> <ol><li><a href="/en-US/docs/Web/HTML/Element/a"><code><a></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/abbr"><code><abbr></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/acronym"><code><acronym></code></a><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">Deprecated</span> </abbr></li><li><a href="/en-US/docs/Web/HTML/Element/address"><code><address></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/area"><code><area></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/article"><code><article></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/aside"><code><aside></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/audio"><code><audio></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/b"><code><b></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/base"><code><base></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/bdi"><code><bdi></code></a></li><li><em><a href="/en-US/docs/Web/HTML/Element/bdo" aria-current="page"><code><bdo></code></a></em></li><li><a href="/en-US/docs/Web/HTML/Element/big"><code><big></code></a><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">Deprecated</span> </abbr></li><li><a href="/en-US/docs/Web/HTML/Element/blockquote"><code><blockquote></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/body"><code><body></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/br"><code><br></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/button"><code><button></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/canvas"><code><canvas></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/caption"><code><caption></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/center"><code><center></code></a><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">Deprecated</span> </abbr></li><li><a href="/en-US/docs/Web/HTML/Element/cite"><code><cite></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/code"><code><code></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/col"><code><col></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/colgroup"><code><colgroup></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/data"><code><data></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/datalist"><code><datalist></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/dd"><code><dd></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/del"><code><del></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/details"><code><details></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/dfn"><code><dfn></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/dialog"><code><dialog></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/dir"><code><dir></code></a><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">Deprecated</span> </abbr></li><li><a href="/en-US/docs/Web/HTML/Element/div"><code><div></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/dl"><code><dl></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/dt"><code><dt></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/em"><code><em></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/embed"><code><embed></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/fencedframe"><code><fencedframe></code></a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/en-US/docs/Web/HTML/Element/fieldset"><code><fieldset></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/figcaption"><code><figcaption></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/figure"><code><figure></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/font"><code><font></code></a><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">Deprecated</span> </abbr></li><li><a href="/en-US/docs/Web/HTML/Element/footer"><code><footer></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/form"><code><form></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/frame"><code><frame></code></a><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">Deprecated</span> </abbr></li><li><a href="/en-US/docs/Web/HTML/Element/frameset"><code><frameset></code></a><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">Deprecated</span> </abbr></li><li><a href="/en-US/docs/Web/HTML/Element/Heading_Elements"><code><h1></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/head"><code><head></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/header"><code><header></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/hgroup"><code><hgroup></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/hr"><code><hr></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/html"><code><html></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/i"><code><i></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/iframe"><code><iframe></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/img"><code><img></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input"><code><input></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/ins"><code><ins></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/kbd"><code><kbd></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/label"><code><label></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/legend"><code><legend></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/li"><code><li></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/link"><code><link></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/main"><code><main></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/map"><code><map></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/mark"><code><mark></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/marquee"><code><marquee></code></a><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">Deprecated</span> </abbr></li><li><a href="/en-US/docs/Web/HTML/Element/menu"><code><menu></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/meta"><code><meta></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/meter"><code><meter></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/nav"><code><nav></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/nobr"><code><nobr></code></a><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">Deprecated</span> </abbr></li><li><a href="/en-US/docs/Web/HTML/Element/noembed"><code><noembed></code></a><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">Deprecated</span> </abbr></li><li><a href="/en-US/docs/Web/HTML/Element/noframes"><code><noframes></code></a><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">Deprecated</span> </abbr></li><li><a href="/en-US/docs/Web/HTML/Element/noscript"><code><noscript></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/object"><code><object></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/ol"><code><ol></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/optgroup"><code><optgroup></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/option"><code><option></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/output"><code><output></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/p"><code><p></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/param"><code><param></code></a><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">Deprecated</span> </abbr></li><li><a href="/en-US/docs/Web/HTML/Element/picture"><code><picture></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/plaintext"><code><plaintext></code></a><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">Deprecated</span> </abbr></li><li><a href="/en-US/docs/Web/HTML/Element/portal"><code><portal></code></a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/en-US/docs/Web/HTML/Element/pre"><code><pre></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/progress"><code><progress></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/q"><code><q></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/rb"><code><rb></code></a><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">Deprecated</span> </abbr></li><li><a href="/en-US/docs/Web/HTML/Element/rp"><code><rp></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/rt"><code><rt></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/rtc"><code><rtc></code></a><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">Deprecated</span> </abbr></li><li><a href="/en-US/docs/Web/HTML/Element/ruby"><code><ruby></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/s"><code><s></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/samp"><code><samp></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/script"><code><script></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/search"><code><search></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/section"><code><section></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/select"><code><select></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/slot"><code><slot></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/small"><code><small></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/source"><code><source></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/span"><code><span></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/strike"><code><strike></code></a><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">Deprecated</span> </abbr></li><li><a href="/en-US/docs/Web/HTML/Element/strong"><code><strong></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/style"><code><style></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/sub"><code><sub></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/summary"><code><summary></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/sup"><code><sup></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/table"><code><table></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/tbody"><code><tbody></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/td"><code><td></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/template"><code><template></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/textarea"><code><textarea></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/tfoot"><code><tfoot></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/th"><code><th></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/thead"><code><thead></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/time"><code><time></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/title"><code><title></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/tr"><code><tr></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/track"><code><track></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/tt"><code><tt></code></a><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">Deprecated</span> </abbr></li><li><a href="/en-US/docs/Web/HTML/Element/u"><code><u></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/ul"><code><ul></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/var"><code><var></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/video"><code><video></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/wbr"><code><wbr></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/xmp"><code><xmp></code></a><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">Deprecated</span> </abbr></li></ol> </details> </li> <li class="toggle"> <details> <summary>Global attributes</summary> <ol><li><a href="/en-US/docs/Web/HTML/Global_attributes/accesskey"><code>accesskey</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/anchor"><code>anchor</code></a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/autocapitalize"><code>autocapitalize</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/autocorrect"><code>autocorrect</code></a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/autofocus"><code>autofocus</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/class"><code>class</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/contenteditable"><code>contenteditable</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/data-*"><code>data-*</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/dir"><code>dir</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/draggable"><code>draggable</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/enterkeyhint"><code>enterkeyhint</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/exportparts"><code>exportparts</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/hidden"><code>hidden</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/id"><code>id</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/inert"><code>inert</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/inputmode"><code>inputmode</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/is"><code>is</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/itemid"><code>itemid</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/itemprop"><code>itemprop</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/itemref"><code>itemref</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/itemscope"><code>itemscope</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/itemtype"><code>itemtype</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/lang"><code>lang</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/nonce"><code>nonce</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/part"><code>part</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/popover"><code>popover</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/slot"><code>slot</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/spellcheck"><code>spellcheck</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/style"><code>style</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/tabindex"><code>tabindex</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/title"><code>title</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/translate"><code>translate</code></a></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/virtualkeyboardpolicy"><code>virtualkeyboardpolicy</code></a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/en-US/docs/Web/HTML/Global_attributes/writingsuggestions"><code>writingsuggestions</code></a></li></ol> </details> </li> <li class="toggle"> <details> <summary>Attributes</summary> <ol> <li><a href="/en-US/docs/Web/HTML/Attributes/accept">accept</a></li> <li><a href="/en-US/docs/Web/HTML/Attributes/autocomplete">autocomplete</a></li> <li><a href="/en-US/docs/Web/HTML/Attributes/capture">capture</a></li> <li><a href="/en-US/docs/Web/HTML/Attributes/crossorigin">crossorigin</a></li> <li><a href="/en-US/docs/Web/HTML/Attributes/dirname">dirname</a></li> <li><a href="/en-US/docs/Web/HTML/Attributes/disabled">disabled</a></li> <li><a href="/en-US/docs/Web/HTML/Attributes/elementtiming">elementtiming</a></li> <li><a href="/en-US/docs/Web/HTML/Attributes/for">for</a></li> <li><a href="/en-US/docs/Web/HTML/Attributes/max">max</a></li> <li><a href="/en-US/docs/Web/HTML/Attributes/maxlength">maxlength</a></li> <li><a href="/en-US/docs/Web/HTML/Attributes/min">min</a></li> <li><a href="/en-US/docs/Web/HTML/Attributes/minlength">minlength</a></li> <li><a href="/en-US/docs/Web/HTML/Attributes/multiple">multiple</a></li> <li><a href="/en-US/docs/Web/HTML/Attributes/pattern">pattern</a></li> <li><a href="/en-US/docs/Web/HTML/Attributes/placeholder">placeholder</a></li> <li><a href="/en-US/docs/Web/HTML/Attributes/readonly">readonly</a></li> <li><a href="/en-US/docs/Web/HTML/Attributes/rel">rel</a></li> <li><a href="/en-US/docs/Web/HTML/Attributes/required">required</a></li> <li><a href="/en-US/docs/Web/HTML/Attributes/size">size</a></li> <li><a href="/en-US/docs/Web/HTML/Attributes/step">step</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary><code><input></code> types</summary> <ol><li><a href="/en-US/docs/Web/HTML/Element/input/button"><code><input type="button"></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/checkbox"><code><input type="checkbox"></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/color"><code><input type="color"></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/date"><code><input type="date"></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/datetime-local"><code><input type="datetime-local"></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/email"><code><input type="email"></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/file"><code><input type="file"></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/hidden"><code><input type="hidden"></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/image"><code><input type="image"></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/month"><code><input type="month"></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/number"><code><input type="number"></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/password"><code><input type="password"></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/radio"><code><input type="radio"></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/range"><code><input type="range"></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/reset"><code><input type="reset"></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/search"><code><input type="search"></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/submit"><code><input type="submit"></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/tel"><code><input type="tel"></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/text"><code><input type="text"></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/time"><code><input type="time"></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/url"><code><input type="url"></code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/week"><code><input type="week"></code></a></li></ol> </details> </li> <li class="section no-link">Guides</li> <li> <ol> <li><a href="/en-US/docs/Web/HTML/Content_categories">Content categories</a></li> <li><a href="/en-US/docs/Glossary/Block-level_content">Block-level elements</a></li> <li><a href="/en-US/docs/Glossary/Inline-level_content">Inline elements</a></li> <li><a href="/en-US/docs/Web/HTML/Quirks_Mode_and_Standards_Mode">Quirks Mode and Standards Mode</a></li> <li><a href="/en-US/docs/Web/HTML/Date_and_time_formats">Date and time formats used in HTML</a></li> <li><a href="/en-US/docs/Web/HTML/Constraint_validation">Constraint validation</a></li> <li><a href="/en-US/docs/Web/HTML/Microdata">Microdata</a></li> <li><a href="/en-US/docs/Web/HTML/microformats">Microformats</a></li> <li><a href="/en-US/docs/Web/HTML/Viewport_meta_tag">Viewport meta tag</a></li> <li><a href="/en-US/docs/Web/HTML/CORS_enabled_image">Allowing cross-origin use of images and canvas</a></li> </ol> </li> </ol> </div></div><section class="place side"></section></nav></aside><div class="toc-container"><aside class="toc"><nav><div class="document-toc-container"><section class="document-toc"><header><h2 class="document-toc-heading">In this article</h2></header><ul class="document-toc-list"><li class="document-toc-item "><a class="document-toc-link" href="#try_it">Try it</a></li><li class="document-toc-item "><a class="document-toc-link" href="#attributes">Attributes</a></li><li class="document-toc-item "><a class="document-toc-link" href="#examples">Examples</a></li><li class="document-toc-item "><a class="document-toc-link" href="#notes">Notes</a></li><li class="document-toc-item "><a class="document-toc-link" href="#technical_summary">Technical summary</a></li><li class="document-toc-item "><a class="document-toc-link" href="#specifications">Specifications</a></li><li class="document-toc-item "><a class="document-toc-link" href="#browser_compatibility">Browser compatibility</a></li><li class="document-toc-item "><a class="document-toc-link" href="#see_also">See also</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="en-US"><header><h1><bdo>: The Bidirectional Text Override element</h1><details class="baseline-indicator high"><summary><span class="indicator" role="img" aria-label="Baseline Check"></span><h2>Baseline<!-- --> <span class="not-bold">Widely available</span></h2><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><ul><li><a href="/en-US/docs/Glossary/Baseline/Compatibility" data-glean="baseline_link_learn_more" target="_blank" class="learn-more">Learn more</a></li><li><a href="#browser_compatibility" data-glean="baseline_link_bcd_table">See full compatibility</a></li><li><a href="https://survey.alchemer.com/s3/7634825/MDN-baseline-feedback?page=%2Fen-US%2Fdocs%2FWeb%2FHTML%2FElement%2Fbdo&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>The <strong><code><bdo></code></strong> <a href="/en-US/docs/Web/HTML">HTML</a> element overrides the current directionality of text, so that the text within is rendered in a different direction.</p></div><section aria-labelledby="try_it"><h2 id="try_it"><a href="#try_it">Try it</a></h2><div class="section-content"><iframe class="interactive is-tabbed-standard-height" height="200" src="https://interactive-examples.mdn.mozilla.net/pages/tabbed/bdo.html" title="MDN Web Docs Interactive Example" allow="clipboard-write" loading="lazy"></iframe> <p>The text's characters are drawn from the starting point in the given direction; the individual characters' orientation is not affected (so characters don't get drawn backward, for example).</p></div></section><section aria-labelledby="attributes"><h2 id="attributes"><a href="#attributes">Attributes</a></h2><div class="section-content"><p>This element's attributes include the <a href="/en-US/docs/Web/HTML/Global_attributes">global attributes</a>.</p> <dl> <dt id="dir"><a href="#dir"><code>dir</code></a></dt> <dd> <p>The direction in which text should be rendered in this element's contents. Possible values are:</p> <ul> <li><code>ltr</code>: Indicates that the text should go in a left-to-right direction.</li> <li><code>rtl</code>: Indicates that the text should go in a right-to-left direction.</li> </ul> </dd> </dl></div></section><section aria-labelledby="examples"><h2 id="examples"><a href="#examples">Examples</a></h2><div class="section-content"><div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code><!-- Switch text direction --> <p>This text will go left to right.</p> <p><bdo dir="rtl">This text will go right to left.</bdo></p> </code></pre></div></div></section><section aria-labelledby="result"><h3 id="result"><a href="#result">Result</a></h3><div class="section-content"><div class="code-example"><div class="example-header"></div><iframe class="sample-code-frame" title="Examples sample" id="frame_examples" src="about:blank" data-live-path="/en-US/docs/Web/HTML/Element/bdo" data-live-id="examples" sandbox="allow-same-origin allow-scripts" loading="lazy"></iframe></div></div></section><section aria-labelledby="notes"><h2 id="notes"><a href="#notes">Notes</a></h2><div class="section-content"><p>The HTML 4 specification did not specify events for this element; they were added in XHTML. This is most likely an oversight.</p></div></section><section aria-labelledby="technical_summary"><h2 id="technical_summary"><a href="#technical_summary">Technical summary</a></h2><div class="section-content"><figure class="table-container"><table class="properties"> <tbody> <tr> <th scope="row"><a href="/en-US/docs/Web/HTML/Content_categories">Content categories</a></th> <td> <a href="/en-US/docs/Web/HTML/Content_categories#flow_content">Flow content</a>, <a href="/en-US/docs/Web/HTML/Content_categories#phrasing_content">phrasing content</a>, palpable content. </td> </tr> <tr> <th scope="row">Permitted content</th> <td><a href="/en-US/docs/Web/HTML/Content_categories#phrasing_content">Phrasing content</a>.</td> </tr> <tr> <th scope="row">Tag omission</th> <td>None, both the starting and ending tag are mandatory.</td> </tr> <tr> <th scope="row">Permitted parents</th> <td> Any element that accepts <a href="/en-US/docs/Web/HTML/Content_categories#phrasing_content">phrasing content</a>. </td> </tr> <tr> <th scope="row">Implicit ARIA role</th> <td><code><a href="/en-US/docs/Web/Accessibility/ARIA/Roles/generic_role">generic</a></code></td> </tr> <tr> <th scope="row">Permitted ARIA roles</th> <td>Any</td> </tr> <tr> <th scope="row">DOM interface</th> <td> <a href="/en-US/docs/Web/API/HTMLElement"><code>HTMLElement</code></a> Up to Gecko 1.9.2 (Firefox 4) inclusive, Firefox implements the <code><a href="/en-US/docs/Web/API/HTMLSpanElement">HTMLSpanElement</a></code> interface for this element. </td> </tr> </tbody> </table></figure></div></section><h2 id="specifications"><a href="#specifications">Specifications</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/text-level-semantics.html#the-bdo-element">HTML Standard<!-- --> <br/><small># <!-- -->the-bdo-element</small></a></td></tr></tbody></table><h2 id="browser_compatibility"><a href="#browser_compatibility">Browser compatibility</a></h2><p>BCD tables only load in the browser<noscript> <!-- -->with JavaScript enabled. Enable JavaScript to view data.</noscript></p><section aria-labelledby="see_also"><h2 id="see_also"><a href="#see_also">See also</a></h2><div class="section-content"><ul> <li>Related HTML element: <a href="/en-US/docs/Web/HTML/Element/bdi"><code><bdi></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/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="2024-02-22T19:57:33.000Z">Feb 22, 2024</time> by<!-- --> <a href="/en-US/docs/Web/HTML/Element/bdo/contributors.txt" rel="nofollow">MDN contributors</a>.</p><div id="on-github" class="on-github"><a href="https://github.com/mdn/content/blob/main/files/en-us/web/html/element/bdo/index.md?plain=1" title="Folder: en-us/web/html/element/bdo (Opens in a new tab)" target="_blank" rel="noopener noreferrer">View this page on GitHub</a> <!-- -->•<!-- --> <a href="https://github.com/mdn/content/issues/new?template=page-report.yml&mdn-url=https%3A%2F%2Fdeveloper.mozilla.org%2Fen-US%2Fdocs%2FWeb%2FHTML%2FElement%2Fbdo&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+%60en-us%2Fweb%2Fhtml%2Felement%2Fbdo%60%0A*+MDN+URL%3A+https%3A%2F%2Fdeveloper.mozilla.org%2Fen-US%2Fdocs%2FWeb%2FHTML%2FElement%2Fbdo%0A*+GitHub+URL%3A+https%3A%2F%2Fgithub.com%2Fmdn%2Fcontent%2Fblob%2Fmain%2Ffiles%2Fen-us%2Fweb%2Fhtml%2Felement%2Fbdo%2Findex.md%0A*+Last+commit%3A+https%3A%2F%2Fgithub.com%2Fmdn%2Fcontent%2Fcommit%2Ffdd3ac5598c3ddceb71e59949b003936ae99f647%0A*+Document+last+modified%3A+2024-02-22T19%3A57%3A33.000Z%0A%0A%3C%2Fdetails%3E" title="This will take you to GitHub to file a new issue." target="_blank" rel="noopener noreferrer">Report a problem with this content</a></div></div></aside></main></div></div><footer id="nav-footer" class="page-footer"><div class="page-footer-grid"><div class="page-footer-logo-col"><a href="/" class="mdn-footer-logo" aria-label="MDN homepage"><svg width="48" height="17" viewBox="0 0 48 17" fill="none" xmlns="http://www.w3.org/2000/svg"><title id="mdn-footer-logo-svg">MDN logo</title><path d="M20.04 16.512H15.504V10.416C15.504 9.488 15.344 8.824 15.024 8.424C14.72 8.024 14.264 7.824 13.656 7.824C12.92 7.824 12.384 8.064 12.048 8.544C11.728 9.024 11.568 9.64 11.568 10.392V14.184H13.008V16.512H8.472V10.416C8.472 9.488 8.312 8.824 7.992 8.424C7.688 8.024 7.232 7.824 6.624 7.824C5.872 7.824 5.336 8.064 5.016 8.544C4.696 9.024 4.536 9.64 4.536 10.392V14.184H6.6V16.512H0V14.184H1.44V8.04H0.024V5.688H4.536V7.32C5.224 6.088 6.32 5.472 7.824 5.472C8.608 5.472 9.328 5.664 9.984 6.048C10.64 6.432 11.096 7.016 11.352 7.8C11.992 6.248 13.168 5.472 14.88 5.472C15.856 5.472 16.72 5.776 17.472 6.384C18.224 6.992 18.6 7.936 18.6 9.216V14.184H20.04V16.512Z" fill="currentColor"></path><path d="M33.6714 16.512H29.1354V14.496C28.8314 15.12 28.3834 15.656 27.7914 16.104C27.1994 16.536 26.4154 16.752 25.4394 16.752C24.0154 16.752 22.8954 16.264 22.0794 15.288C21.2634 14.312 20.8554 12.984 20.8554 11.304C20.8554 9.688 21.2554 8.312 22.0554 7.176C22.8554 6.04 24.0634 5.472 25.6794 5.472C26.5594 5.472 27.2794 5.648 27.8394 6C28.3994 6.352 28.8314 6.8 29.1354 7.344V2.352H26.9754V0H32.2314V14.184H33.6714V16.512ZM29.1354 11.04V10.776C29.1354 9.88 28.8954 9.184 28.4154 8.688C27.9514 8.176 27.3674 7.92 26.6634 7.92C25.9754 7.92 25.3674 8.176 24.8394 8.688C24.3274 9.2 24.0714 10.008 24.0714 11.112C24.0714 12.152 24.3114 12.944 24.7914 13.488C25.2714 14.032 25.8394 14.304 26.4954 14.304C27.3114 14.304 27.9514 13.96 28.4154 13.272C28.8954 12.584 29.1354 11.84 29.1354 11.04Z" fill="currentColor"></path><path d="M47.9589 16.512H41.9829V14.184H43.4229V10.416C43.4229 9.488 43.2629 8.824 42.9429 8.424C42.6389 8.024 42.1829 7.824 41.5749 7.824C40.8389 7.824 40.2709 8.056 39.8709 8.52C39.4709 8.968 39.2629 9.56 39.2469 10.296V14.184H40.6869V16.512H34.7109V14.184H36.1509V8.04H34.5909V5.688H39.2469V7.344C39.9669 6.096 41.1269 5.472 42.7269 5.472C43.7509 5.472 44.6389 5.776 45.3909 6.384C46.1429 6.992 46.5189 7.936 46.5189 9.216V14.184H47.9589V16.512Z" fill="currentColor"></path></svg></a><p>Your blueprint for a better internet.</p><ul class="social-icons"><li><a href="https://mozilla.social/@mdn" target="_blank" rel="me noopener noreferrer"><span class="icon icon-mastodon"></span><span class="visually-hidden">MDN on Mastodon</span></a></li><li><a href="https://twitter.com/mozdevnet" target="_blank" rel="noopener noreferrer"><span class="icon icon-twitter-x"></span><span class="visually-hidden">MDN on X (formerly Twitter)</span></a></li><li><a href="https://github.com/mdn/" target="_blank" rel="noopener noreferrer"><span class="icon icon-github-mark-small"></span><span class="visually-hidden">MDN on GitHub</span></a></li><li><a href="/en-US/blog/rss.xml" target="_blank"><span class="icon icon-feed"></span><span class="visually-hidden">MDN Blog RSS Feed</span></a></li></ul></div><div class="page-footer-nav-col-1"><h2 class="footer-nav-heading">MDN</h2><ul class="footer-nav-list"><li class="footer-nav-item"><a href="/en-US/about">About</a></li><li class="footer-nav-item"><a href="/en-US/blog/">Blog</a></li><li class="footer-nav-item"><a href="https://www.mozilla.org/en-US/careers/listings/?team=ProdOps" target="_blank" rel="noopener noreferrer">Careers</a></li><li class="footer-nav-item"><a href="/en-US/advertising">Advertise with us</a></li></ul></div><div class="page-footer-nav-col-2"><h2 class="footer-nav-heading">Support</h2><ul class="footer-nav-list"><li class="footer-nav-item"><a class="footer-nav-link" href="https://support.mozilla.org/products/mdn-plus">Product help</a></li><li class="footer-nav-item"><a class="footer-nav-link" href="/en-US/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="/en-US/docs/Web">Web Technologies</a></li><li class="footer-nav-item"><a class="footer-nav-link" href="/en-US/docs/Learn">Learn Web Development</a></li><li class="footer-nav-item"><a class="footer-nav-link" href="/en-US/plus">MDN Plus</a></li><li class="footer-nav-item"><a href="https://hacks.mozilla.org/" target="_blank" rel="noopener noreferrer">Hacks Blog</a></li></ul></div><div class="page-footer-moz"><a href="https://www.mozilla.org/" class="footer-moz-logo-link" target="_blank" rel="noopener noreferrer"><svg width="112" height="32" fill="none" xmlns="http://www.w3.org/2000/svg"><title id="mozilla-footer-logo-svg">Mozilla logo</title><path d="M41.753 14.218c-2.048 0-3.324 1.522-3.324 4.157 0 2.423 1.119 4.286 3.29 4.286 2.082 0 3.447-1.678 3.447-4.347 0-2.826-1.522-4.096-3.413-4.096Zm54.89 7.044c0 .901.437 1.618 1.645 1.618 1.427 0 2.949-1.024 3.044-3.352-.649-.095-1.365-.185-2.02-.185-1.426-.005-2.668.397-2.668 1.92Z" fill="currentColor"></path><path d="M0 0v32h111.908V0H0Zm32.56 25.426h-5.87v-7.884c0-2.423-.806-3.352-2.39-3.352-1.924 0-2.702 1.365-2.702 3.324v4.868h1.864v3.044h-5.864v-7.884c0-2.423-.806-3.352-2.39-3.352-1.924 0-2.702 1.365-2.702 3.324v4.868h2.669v3.044H6.642v-3.044h1.863v-7.918H6.642V11.42h5.864v2.11c.839-1.489 2.3-2.39 4.252-2.39 2.02 0 3.878.963 4.566 3.01.778-1.862 2.361-3.01 4.566-3.01 2.512 0 4.812 1.522 4.812 4.84v6.402h1.863v3.044h-.005Zm9.036.307c-4.314 0-7.296-2.635-7.296-7.106 0-4.096 2.484-7.481 7.514-7.481s7.481 3.38 7.481 7.29c0 4.472-3.228 7.297-7.699 7.297Zm22.578-.307H51.942l-.403-2.11 7.7-8.846h-4.376l-.621 2.17-2.888-.313.498-4.907h12.294l.313 2.11-7.767 8.852h4.533l.654-2.172 3.167.308-.872 4.908Zm7.99 0h-4.191v-5.03h4.19v5.03Zm0-8.976h-4.191v-5.03h4.19v5.03Zm2.618 8.976 6.054-21.358h3.945l-6.054 21.358h-3.945Zm8.136 0 6.048-21.358h3.945l-6.054 21.358h-3.939Zm21.486.307c-1.863 0-2.887-1.085-3.072-2.792-.805 1.427-2.232 2.792-4.498 2.792-2.02 0-4.314-1.085-4.314-4.006 0-3.447 3.323-4.253 6.518-4.253.778 0 1.584.034 2.3.124v-.465c0-1.427-.034-3.133-2.3-3.133-.84 0-1.488.061-2.143.402l-.453 1.578-3.195-.34.549-3.224c2.45-.996 3.692-1.27 5.992-1.27 3.01 0 5.556 1.55 5.556 4.75v6.083c0 .805.314 1.085.963 1.085.184 0 .375-.034.587-.095l.034 2.11a5.432 5.432 0 0 1-2.524.654Z" fill="currentColor"></path></svg></a><ul class="footer-moz-list"><li class="footer-moz-item"><a href="https://www.mozilla.org/privacy/websites/" class="footer-moz-link" target="_blank" rel="noopener noreferrer">Website Privacy Notice</a></li><li class="footer-moz-item"><a href="https://www.mozilla.org/privacy/websites/#cookies" class="footer-moz-link" target="_blank" rel="noopener noreferrer">Cookies</a></li><li class="footer-moz-item"><a href="https://www.mozilla.org/about/legal/terms/mozilla" class="footer-moz-link" target="_blank" rel="noopener noreferrer">Legal</a></li><li class="footer-moz-item"><a href="https://www.mozilla.org/about/governance/policies/participation/" class="footer-moz-link" target="_blank" rel="noopener noreferrer">Community Participation Guidelines</a></li></ul></div><div class="page-footer-legal"><p id="license" class="page-footer-legal-text">Visit<!-- --> <a href="https://www.mozilla.org" target="_blank" rel="noopener noreferrer">Mozilla Corporation’s</a> <!-- -->not-for-profit parent, the<!-- --> <a target="_blank" rel="noopener noreferrer" href="https://foundation.mozilla.org/">Mozilla Foundation</a>.<br/>Portions of this content are ©1998–<!-- -->2024<!-- --> by individual mozilla.org contributors. Content available under<!-- --> <a href="/en-US/docs/MDN/Writing_guidelines/Attrib_copyright_license">a Creative Commons license</a>.</p></div></div></footer></div><script type="application/json" id="hydration">{"url":"/en-US/docs/Web/HTML/Element/bdo","doc":{"isMarkdown":true,"isTranslated":false,"isActive":true,"flaws":{},"title":"<bdo>: The Bidirectional Text Override element","mdn_url":"/en-US/docs/Web/HTML/Element/bdo","locale":"en-US","native":"English (US)","browserCompat":["html.elements.bdo"],"baseline":{"baseline":"high","baseline_high_date":"2018-01-29","baseline_low_date":"2015-07-29","support":{"chrome":"≤15","chrome_android":"18","edge":"12","firefox":"10","firefox_android":"10","safari":"≤4","safari_ios":"≤3.2"}},"sidebarHTML":"\n <ol>\n <li class=\"section\"><a href=\"/en-US/docs/Web/HTML\">HTML</a></li>\n <li class=\"section\"><a href=\"/en-US/docs/Learn/HTML\">Tutorials</a></li>\n <li><a href=\"/en-US/docs/Learn/Getting_started_with_the_web/HTML_basics\">HTML basics</a></li>\n <li class=\"toggle\">\n <details>\n <summary>Introduction to HTML</summary>\n <ol>\n <li><a href=\"/en-US/docs/Learn/HTML/Introduction_to_HTML\">Introduction to HTML overview</a></li>\n <li><a href=\"/en-US/docs/Learn/HTML/Introduction_to_HTML/Getting_started\">Getting started with HTML</a></li>\n <li><a href=\"/en-US/docs/Learn/HTML/Introduction_to_HTML/The_head_metadata_in_HTML\">What's in the head? Metadata in HTML</a></li>\n <li><a href=\"/en-US/docs/Learn/HTML/Introduction_to_HTML/HTML_text_fundamentals\">HTML text fundamentals</a></li>\n <li><a href=\"/en-US/docs/Learn/HTML/Introduction_to_HTML/Creating_hyperlinks\">Creating hyperlinks</a></li>\n <li><a href=\"/en-US/docs/Learn/HTML/Introduction_to_HTML/Advanced_text_formatting\">Advanced text formatting</a></li>\n <li><a href=\"/en-US/docs/Learn/HTML/Introduction_to_HTML/Document_and_website_structure\">Document and website structure</a></li>\n <li><a href=\"/en-US/docs/Learn/HTML/Introduction_to_HTML/Debugging_HTML\">Debugging HTML</a></li>\n <li><a href=\"/en-US/docs/Learn/HTML/Introduction_to_HTML/Marking_up_a_letter\">Assessment: Marking up a letter</a></li>\n <li><a href=\"/en-US/docs/Learn/HTML/Introduction_to_HTML/Structuring_a_page_of_content\">Assessment: Structuring a page of content</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>Multimedia and embedding</summary>\n <ol>\n <li><a href=\"/en-US/docs/Learn/HTML/Multimedia_and_embedding\">Multimedia and embedding overview</a></li>\n <li><a href=\"/en-US/docs/Learn/HTML/Multimedia_and_embedding/Images_in_HTML\">Images in HTML</a></li>\n <li><a href=\"/en-US/docs/Learn/HTML/Multimedia_and_embedding/Video_and_audio_content\">Video and audio content</a></li>\n <li><a href=\"/en-US/docs/Learn/HTML/Multimedia_and_embedding/Other_embedding_technologies\">From object to iframe — other embedding technologies</a></li>\n <li><a href=\"/en-US/docs/Learn/HTML/Multimedia_and_embedding/Adding_vector_graphics_to_the_Web\">Adding vector graphics to the web</a></li>\n <li><a href=\"/en-US/docs/Learn/HTML/Multimedia_and_embedding/Responsive_images\">Responsive images</a></li>\n <li><a href=\"/en-US/docs/Learn/HTML/Multimedia_and_embedding/Mozilla_splash_page\">Assessment: Mozilla splash page</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>HTML tables</summary>\n <ol>\n <li><a href=\"/en-US/docs/Learn/HTML/Tables\">HTML tables overview</a></li>\n <li><a href=\"/en-US/docs/Learn/HTML/Tables/Basics\">HTML table basics</a></li>\n <li><a href=\"/en-US/docs/Learn/HTML/Tables/Advanced\">HTML table advanced features and accessibility</a></li>\n <li><a href=\"/en-US/docs/Learn/HTML/Tables/Structuring_planet_data\">Assessment: Structuring planet data</a></li>\n </ol>\n </details>\n </li>\n <li class=\"section\"><a href=\"/en-US/docs/Web/HTML/Reference\">References</a></li>\n <li class=\"toggle\">\n <details open=\"\">\n <summary>HTML elements</summary>\n <ol><li><a href=\"/en-US/docs/Web/HTML/Element/a\"><code><a></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/abbr\"><code><abbr></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/acronym\"><code><acronym></code></a><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">Deprecated</span>\n</abbr></li><li><a href=\"/en-US/docs/Web/HTML/Element/address\"><code><address></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/area\"><code><area></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/article\"><code><article></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/aside\"><code><aside></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/audio\"><code><audio></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/b\"><code><b></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/base\"><code><base></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/bdi\"><code><bdi></code></a></li><li><em><a href=\"/en-US/docs/Web/HTML/Element/bdo\" aria-current=\"page\"><code><bdo></code></a></em></li><li><a href=\"/en-US/docs/Web/HTML/Element/big\"><code><big></code></a><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">Deprecated</span>\n</abbr></li><li><a href=\"/en-US/docs/Web/HTML/Element/blockquote\"><code><blockquote></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/body\"><code><body></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/br\"><code><br></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/button\"><code><button></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/canvas\"><code><canvas></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/caption\"><code><caption></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/center\"><code><center></code></a><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">Deprecated</span>\n</abbr></li><li><a href=\"/en-US/docs/Web/HTML/Element/cite\"><code><cite></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/code\"><code><code></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/col\"><code><col></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/colgroup\"><code><colgroup></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/data\"><code><data></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/datalist\"><code><datalist></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/dd\"><code><dd></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/del\"><code><del></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/details\"><code><details></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/dfn\"><code><dfn></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/dialog\"><code><dialog></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/dir\"><code><dir></code></a><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">Deprecated</span>\n</abbr></li><li><a href=\"/en-US/docs/Web/HTML/Element/div\"><code><div></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/dl\"><code><dl></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/dt\"><code><dt></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/em\"><code><em></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/embed\"><code><embed></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/fencedframe\"><code><fencedframe></code></a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/en-US/docs/Web/HTML/Element/fieldset\"><code><fieldset></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/figcaption\"><code><figcaption></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/figure\"><code><figure></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/font\"><code><font></code></a><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">Deprecated</span>\n</abbr></li><li><a href=\"/en-US/docs/Web/HTML/Element/footer\"><code><footer></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/form\"><code><form></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/frame\"><code><frame></code></a><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">Deprecated</span>\n</abbr></li><li><a href=\"/en-US/docs/Web/HTML/Element/frameset\"><code><frameset></code></a><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">Deprecated</span>\n</abbr></li><li><a href=\"/en-US/docs/Web/HTML/Element/Heading_Elements\"><code><h1></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/head\"><code><head></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/header\"><code><header></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/hgroup\"><code><hgroup></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/hr\"><code><hr></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/html\"><code><html></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/i\"><code><i></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/iframe\"><code><iframe></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/img\"><code><img></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input\"><code><input></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/ins\"><code><ins></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/kbd\"><code><kbd></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/label\"><code><label></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/legend\"><code><legend></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/li\"><code><li></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/link\"><code><link></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/main\"><code><main></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/map\"><code><map></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/mark\"><code><mark></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/marquee\"><code><marquee></code></a><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">Deprecated</span>\n</abbr></li><li><a href=\"/en-US/docs/Web/HTML/Element/menu\"><code><menu></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/meta\"><code><meta></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/meter\"><code><meter></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/nav\"><code><nav></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/nobr\"><code><nobr></code></a><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">Deprecated</span>\n</abbr></li><li><a href=\"/en-US/docs/Web/HTML/Element/noembed\"><code><noembed></code></a><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">Deprecated</span>\n</abbr></li><li><a href=\"/en-US/docs/Web/HTML/Element/noframes\"><code><noframes></code></a><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">Deprecated</span>\n</abbr></li><li><a href=\"/en-US/docs/Web/HTML/Element/noscript\"><code><noscript></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/object\"><code><object></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/ol\"><code><ol></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/optgroup\"><code><optgroup></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/option\"><code><option></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/output\"><code><output></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/p\"><code><p></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/param\"><code><param></code></a><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">Deprecated</span>\n</abbr></li><li><a href=\"/en-US/docs/Web/HTML/Element/picture\"><code><picture></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/plaintext\"><code><plaintext></code></a><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">Deprecated</span>\n</abbr></li><li><a href=\"/en-US/docs/Web/HTML/Element/portal\"><code><portal></code></a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/en-US/docs/Web/HTML/Element/pre\"><code><pre></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/progress\"><code><progress></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/q\"><code><q></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/rb\"><code><rb></code></a><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">Deprecated</span>\n</abbr></li><li><a href=\"/en-US/docs/Web/HTML/Element/rp\"><code><rp></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/rt\"><code><rt></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/rtc\"><code><rtc></code></a><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">Deprecated</span>\n</abbr></li><li><a href=\"/en-US/docs/Web/HTML/Element/ruby\"><code><ruby></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/s\"><code><s></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/samp\"><code><samp></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/script\"><code><script></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/search\"><code><search></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/section\"><code><section></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/select\"><code><select></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/slot\"><code><slot></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/small\"><code><small></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/source\"><code><source></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/span\"><code><span></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/strike\"><code><strike></code></a><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">Deprecated</span>\n</abbr></li><li><a href=\"/en-US/docs/Web/HTML/Element/strong\"><code><strong></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/style\"><code><style></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/sub\"><code><sub></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/summary\"><code><summary></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/sup\"><code><sup></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/table\"><code><table></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/tbody\"><code><tbody></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/td\"><code><td></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/template\"><code><template></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/textarea\"><code><textarea></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/tfoot\"><code><tfoot></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/th\"><code><th></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/thead\"><code><thead></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/time\"><code><time></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/title\"><code><title></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/tr\"><code><tr></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/track\"><code><track></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/tt\"><code><tt></code></a><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">Deprecated</span>\n</abbr></li><li><a href=\"/en-US/docs/Web/HTML/Element/u\"><code><u></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/ul\"><code><ul></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/var\"><code><var></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/video\"><code><video></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/wbr\"><code><wbr></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/xmp\"><code><xmp></code></a><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">Deprecated</span>\n</abbr></li></ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>Global attributes</summary>\n <ol><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/accesskey\"><code>accesskey</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/anchor\"><code>anchor</code></a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/autocapitalize\"><code>autocapitalize</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/autocorrect\"><code>autocorrect</code></a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/autofocus\"><code>autofocus</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/class\"><code>class</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/contenteditable\"><code>contenteditable</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/data-*\"><code>data-*</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/dir\"><code>dir</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/draggable\"><code>draggable</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/enterkeyhint\"><code>enterkeyhint</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/exportparts\"><code>exportparts</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/hidden\"><code>hidden</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/id\"><code>id</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/inert\"><code>inert</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/inputmode\"><code>inputmode</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/is\"><code>is</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/itemid\"><code>itemid</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/itemprop\"><code>itemprop</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/itemref\"><code>itemref</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/itemscope\"><code>itemscope</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/itemtype\"><code>itemtype</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/lang\"><code>lang</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/nonce\"><code>nonce</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/part\"><code>part</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/popover\"><code>popover</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/slot\"><code>slot</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/spellcheck\"><code>spellcheck</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/style\"><code>style</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/tabindex\"><code>tabindex</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/title\"><code>title</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/translate\"><code>translate</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/virtualkeyboardpolicy\"><code>virtualkeyboardpolicy</code></a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/en-US/docs/Web/HTML/Global_attributes/writingsuggestions\"><code>writingsuggestions</code></a></li></ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>Attributes</summary>\n <ol>\n \n <li><a href=\"/en-US/docs/Web/HTML/Attributes/accept\">accept</a></li>\n \n <li><a href=\"/en-US/docs/Web/HTML/Attributes/autocomplete\">autocomplete</a></li>\n \n <li><a href=\"/en-US/docs/Web/HTML/Attributes/capture\">capture</a></li>\n \n <li><a href=\"/en-US/docs/Web/HTML/Attributes/crossorigin\">crossorigin</a></li>\n \n <li><a href=\"/en-US/docs/Web/HTML/Attributes/dirname\">dirname</a></li>\n \n <li><a href=\"/en-US/docs/Web/HTML/Attributes/disabled\">disabled</a></li>\n \n <li><a href=\"/en-US/docs/Web/HTML/Attributes/elementtiming\">elementtiming</a></li>\n \n <li><a href=\"/en-US/docs/Web/HTML/Attributes/for\">for</a></li>\n \n <li><a href=\"/en-US/docs/Web/HTML/Attributes/max\">max</a></li>\n \n <li><a href=\"/en-US/docs/Web/HTML/Attributes/maxlength\">maxlength</a></li>\n \n <li><a href=\"/en-US/docs/Web/HTML/Attributes/min\">min</a></li>\n \n <li><a href=\"/en-US/docs/Web/HTML/Attributes/minlength\">minlength</a></li>\n \n <li><a href=\"/en-US/docs/Web/HTML/Attributes/multiple\">multiple</a></li>\n \n <li><a href=\"/en-US/docs/Web/HTML/Attributes/pattern\">pattern</a></li>\n \n <li><a href=\"/en-US/docs/Web/HTML/Attributes/placeholder\">placeholder</a></li>\n \n <li><a href=\"/en-US/docs/Web/HTML/Attributes/readonly\">readonly</a></li>\n \n <li><a href=\"/en-US/docs/Web/HTML/Attributes/rel\">rel</a></li>\n \n <li><a href=\"/en-US/docs/Web/HTML/Attributes/required\">required</a></li>\n \n <li><a href=\"/en-US/docs/Web/HTML/Attributes/size\">size</a></li>\n \n <li><a href=\"/en-US/docs/Web/HTML/Attributes/step\">step</a></li>\n \n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary><code><input></code> types</summary>\n <ol><li><a href=\"/en-US/docs/Web/HTML/Element/input/button\"><code><input type=\"button\"></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/checkbox\"><code><input type=\"checkbox\"></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/color\"><code><input type=\"color\"></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/date\"><code><input type=\"date\"></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/datetime-local\"><code><input type=\"datetime-local\"></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/email\"><code><input type=\"email\"></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/file\"><code><input type=\"file\"></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/hidden\"><code><input type=\"hidden\"></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/image\"><code><input type=\"image\"></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/month\"><code><input type=\"month\"></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/number\"><code><input type=\"number\"></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/password\"><code><input type=\"password\"></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/radio\"><code><input type=\"radio\"></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/range\"><code><input type=\"range\"></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/reset\"><code><input type=\"reset\"></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/search\"><code><input type=\"search\"></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/submit\"><code><input type=\"submit\"></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/tel\"><code><input type=\"tel\"></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/text\"><code><input type=\"text\"></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/time\"><code><input type=\"time\"></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/url\"><code><input type=\"url\"></code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/week\"><code><input type=\"week\"></code></a></li></ol>\n </details>\n </li>\n <li class=\"section no-link\">Guides</li>\n <li>\n <ol>\n <li><a href=\"/en-US/docs/Web/HTML/Content_categories\">Content categories</a></li>\n <li><a href=\"/en-US/docs/Glossary/Block-level_content\">Block-level elements</a></li>\n <li><a href=\"/en-US/docs/Glossary/Inline-level_content\">Inline elements</a></li>\n <li><a href=\"/en-US/docs/Web/HTML/Quirks_Mode_and_Standards_Mode\">Quirks Mode and Standards Mode</a></li>\n <li><a href=\"/en-US/docs/Web/HTML/Date_and_time_formats\">Date and time formats used in HTML</a></li>\n <li><a href=\"/en-US/docs/Web/HTML/Constraint_validation\">Constraint validation</a></li>\n <li><a href=\"/en-US/docs/Web/HTML/Microdata\">Microdata</a></li>\n <li><a href=\"/en-US/docs/Web/HTML/microformats\">Microformats</a></li>\n <li><a href=\"/en-US/docs/Web/HTML/Viewport_meta_tag\">Viewport meta tag</a></li>\n <li><a href=\"/en-US/docs/Web/HTML/CORS_enabled_image\">Allowing cross-origin use of images and canvas</a></li>\n </ol>\n </li>\n </ol>\n","sidebarMacro":"HTMLSidebar","body":[{"type":"prose","value":{"id":null,"title":null,"isH3":false,"content":"<p>The <strong><code><bdo></code></strong> <a href=\"/en-US/docs/Web/HTML\">HTML</a> element overrides the current directionality of text, so that the text within is rendered in a different direction.</p>"}},{"type":"prose","value":{"id":"try_it","title":"Try it","isH3":false,"content":"<iframe class=\"interactive is-tabbed-standard-height\" height=\"200\" src=\"https://interactive-examples.mdn.mozilla.net/pages/tabbed/bdo.html\" title=\"MDN Web Docs Interactive Example\" allow=\"clipboard-write\" loading=\"lazy\"></iframe>\n<p>The text's characters are drawn from the starting point in the given direction; the individual characters' orientation is not affected (so characters don't get drawn backward, for example).</p>"}},{"type":"prose","value":{"id":"attributes","title":"Attributes","isH3":false,"content":"<p>This element's attributes include the <a href=\"/en-US/docs/Web/HTML/Global_attributes\">global attributes</a>.</p>\n<dl>\n <dt id=\"dir\"><a href=\"#dir\"><code>dir</code></a></dt>\n <dd>\n <p>The direction in which text should be rendered in this element's contents. Possible values are:</p>\n <ul>\n <li><code>ltr</code>: Indicates that the text should go in a left-to-right direction.</li>\n <li><code>rtl</code>: Indicates that the text should go in a right-to-left direction.</li>\n </ul>\n </dd>\n</dl>"}},{"type":"prose","value":{"id":"examples","title":"Examples","isH3":false,"content":"<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><!-- Switch text direction -->\n<p>This text will go left to right.</p>\n<p><bdo dir=\"rtl\">This text will go right to left.</bdo></p>\n</code></pre></div>"}},{"type":"prose","value":{"id":"result","title":"Result","isH3":true,"content":"<div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"Examples sample\" id=\"frame_examples\" src=\"about:blank\" data-live-path=\"/en-US/docs/Web/HTML/Element/bdo\" data-live-id=\"examples\" sandbox=\"allow-same-origin allow-scripts\" loading=\"lazy\"></iframe></div>"}},{"type":"prose","value":{"id":"notes","title":"Notes","isH3":false,"content":"<p>The HTML 4 specification did not specify events for this element; they were added in XHTML. This is most likely an oversight.</p>"}},{"type":"prose","value":{"id":"technical_summary","title":"Technical summary","isH3":false,"content":"<figure class=\"table-container\"><table class=\"properties\">\n <tbody>\n <tr>\n <th scope=\"row\"><a href=\"/en-US/docs/Web/HTML/Content_categories\">Content categories</a></th>\n <td>\n <a href=\"/en-US/docs/Web/HTML/Content_categories#flow_content\">Flow content</a>,\n <a href=\"/en-US/docs/Web/HTML/Content_categories#phrasing_content\">phrasing content</a>, palpable content.\n </td>\n </tr>\n <tr>\n <th scope=\"row\">Permitted content</th>\n <td><a href=\"/en-US/docs/Web/HTML/Content_categories#phrasing_content\">Phrasing content</a>.</td>\n </tr>\n <tr>\n <th scope=\"row\">Tag omission</th>\n <td>None, both the starting and ending tag are mandatory.</td>\n </tr>\n <tr>\n <th scope=\"row\">Permitted parents</th>\n <td>\n Any element that accepts\n <a href=\"/en-US/docs/Web/HTML/Content_categories#phrasing_content\">phrasing content</a>.\n </td>\n </tr>\n <tr>\n <th scope=\"row\">Implicit ARIA role</th>\n <td><code><a href=\"/en-US/docs/Web/Accessibility/ARIA/Roles/generic_role\">generic</a></code></td>\n </tr>\n <tr>\n <th scope=\"row\">Permitted ARIA roles</th>\n <td>Any</td>\n </tr>\n <tr>\n <th scope=\"row\">DOM interface</th>\n <td>\n <a href=\"/en-US/docs/Web/API/HTMLElement\"><code>HTMLElement</code></a> Up to Gecko 1.9.2 (Firefox 4)\n inclusive, Firefox implements the\n <code><a href=\"/en-US/docs/Web/API/HTMLSpanElement\">HTMLSpanElement</a></code>\n interface for this element.\n </td>\n </tr>\n </tbody>\n</table></figure>"}},{"type":"specifications","value":{"title":"Specifications","id":"specifications","isH3":false,"specifications":[{"bcdSpecificationURL":"https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-bdo-element","title":"HTML Standard"}],"query":"html.elements.bdo"}},{"type":"browser_compatibility","value":{"title":"Browser compatibility","id":"browser_compatibility","isH3":false,"query":"html.elements.bdo"}},{"type":"prose","value":{"id":"see_also","title":"See also","isH3":false,"content":"<ul>\n <li>Related HTML element: <a href=\"/en-US/docs/Web/HTML/Element/bdi\"><code><bdi></code></a></li>\n</ul>"}}],"toc":[{"text":"Try it","id":"try_it"},{"text":"Attributes","id":"attributes"},{"text":"Examples","id":"examples"},{"text":"Notes","id":"notes"},{"text":"Technical summary","id":"technical_summary"},{"text":"Specifications","id":"specifications"},{"text":"Browser compatibility","id":"browser_compatibility"},{"text":"See also","id":"see_also"}],"summary":"The <bdo> HTML element overrides the current directionality of text, so that the text within is rendered in a different direction.","popularity":0,"modified":"2024-02-22T19:57:33.000Z","other_translations":[{"locale":"de","title":"<bdo>: Das Bidirectional Text Override Element","native":"Deutsch"},{"locale":"es","title":"bdo","native":"Español"},{"locale":"fr","title":"<bdo> : l'élément de remplacement bidirectionnelle","native":"Français"},{"locale":"ja","title":"<bdo>: 双方向文字列上書き要素","native":"日本語"},{"locale":"ko","title":"<bdo>: 양방향 텍스트 재정의 요소","native":"한국어"},{"locale":"pt-BR","title":"<bdo>","native":"Português (do Brasil)"},{"locale":"ru","title":"<bdo>: Элемент переопределения направления текста","native":"Русский"},{"locale":"zh-CN","title":"<bdo>:双向文本覆盖元素","native":"中文 (简体)"},{"locale":"zh-TW","title":"<bdo>:雙向文字覆蓋元素","native":"正體中文 (繁體)"}],"pageType":"html-element","source":{"folder":"en-us/web/html/element/bdo","github_url":"https://github.com/mdn/content/blob/main/files/en-us/web/html/element/bdo/index.md","last_commit_url":"https://github.com/mdn/content/commit/fdd3ac5598c3ddceb71e59949b003936ae99f647","filename":"index.md"},"short_title":"<bdo>","parents":[{"uri":"/en-US/docs/Web","title":"References"},{"uri":"/en-US/docs/Web/HTML","title":"HTML"},{"uri":"/en-US/docs/Web/HTML/Element","title":"Elements"},{"uri":"/en-US/docs/Web/HTML/Element/bdo","title":"<bdo>"}],"pageTitle":"<bdo>: The Bidirectional Text Override element - HTML: HyperText Markup Language | MDN","noIndexing":false}}</script></body></html>