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<summary>: The Disclosure Summary element - HTML: HyperText Markup Language | MDN

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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>&lt;a&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/abbr"><code>&lt;abbr&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/acronym"><code>&lt;acronym&gt;</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>&lt;address&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/area"><code>&lt;area&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/article"><code>&lt;article&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/aside"><code>&lt;aside&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/audio"><code>&lt;audio&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/b"><code>&lt;b&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/base"><code>&lt;base&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/bdi"><code>&lt;bdi&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/bdo"><code>&lt;bdo&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/big"><code>&lt;big&gt;</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>&lt;blockquote&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/body"><code>&lt;body&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/br"><code>&lt;br&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/button"><code>&lt;button&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/canvas"><code>&lt;canvas&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/caption"><code>&lt;caption&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/center"><code>&lt;center&gt;</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>&lt;cite&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/code"><code>&lt;code&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/col"><code>&lt;col&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/colgroup"><code>&lt;colgroup&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/data"><code>&lt;data&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/datalist"><code>&lt;datalist&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/dd"><code>&lt;dd&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/del"><code>&lt;del&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/details"><code>&lt;details&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/dfn"><code>&lt;dfn&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/dialog"><code>&lt;dialog&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/dir"><code>&lt;dir&gt;</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>&lt;div&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/dl"><code>&lt;dl&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/dt"><code>&lt;dt&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/em"><code>&lt;em&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/embed"><code>&lt;embed&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/fencedframe"><code>&lt;fencedframe&gt;</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>&lt;fieldset&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/figcaption"><code>&lt;figcaption&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/figure"><code>&lt;figure&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/font"><code>&lt;font&gt;</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>&lt;footer&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/form"><code>&lt;form&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/frame"><code>&lt;frame&gt;</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>&lt;frameset&gt;</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>&lt;h1&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/head"><code>&lt;head&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/header"><code>&lt;header&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/hgroup"><code>&lt;hgroup&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/hr"><code>&lt;hr&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/html"><code>&lt;html&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/i"><code>&lt;i&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/iframe"><code>&lt;iframe&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/img"><code>&lt;img&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input"><code>&lt;input&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/ins"><code>&lt;ins&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/kbd"><code>&lt;kbd&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/label"><code>&lt;label&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/legend"><code>&lt;legend&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/li"><code>&lt;li&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/link"><code>&lt;link&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/main"><code>&lt;main&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/map"><code>&lt;map&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/mark"><code>&lt;mark&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/marquee"><code>&lt;marquee&gt;</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>&lt;menu&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/meta"><code>&lt;meta&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/meter"><code>&lt;meter&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/nav"><code>&lt;nav&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/nobr"><code>&lt;nobr&gt;</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>&lt;noembed&gt;</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>&lt;noframes&gt;</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>&lt;noscript&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/object"><code>&lt;object&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/ol"><code>&lt;ol&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/optgroup"><code>&lt;optgroup&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/option"><code>&lt;option&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/output"><code>&lt;output&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/p"><code>&lt;p&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/param"><code>&lt;param&gt;</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>&lt;picture&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/plaintext"><code>&lt;plaintext&gt;</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>&lt;portal&gt;</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>&lt;pre&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/progress"><code>&lt;progress&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/q"><code>&lt;q&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/rb"><code>&lt;rb&gt;</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>&lt;rp&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/rt"><code>&lt;rt&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/rtc"><code>&lt;rtc&gt;</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>&lt;ruby&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/s"><code>&lt;s&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/samp"><code>&lt;samp&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/script"><code>&lt;script&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/search"><code>&lt;search&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/section"><code>&lt;section&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/select"><code>&lt;select&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/slot"><code>&lt;slot&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/small"><code>&lt;small&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/source"><code>&lt;source&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/span"><code>&lt;span&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/strike"><code>&lt;strike&gt;</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>&lt;strong&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/style"><code>&lt;style&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/sub"><code>&lt;sub&gt;</code></a></li><li><em><a href="/en-US/docs/Web/HTML/Element/summary" aria-current="page"><code>&lt;summary&gt;</code></a></em></li><li><a href="/en-US/docs/Web/HTML/Element/sup"><code>&lt;sup&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/table"><code>&lt;table&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/tbody"><code>&lt;tbody&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/td"><code>&lt;td&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/template"><code>&lt;template&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/textarea"><code>&lt;textarea&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/tfoot"><code>&lt;tfoot&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/th"><code>&lt;th&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/thead"><code>&lt;thead&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/time"><code>&lt;time&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/title"><code>&lt;title&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/tr"><code>&lt;tr&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/track"><code>&lt;track&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/tt"><code>&lt;tt&gt;</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>&lt;u&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/ul"><code>&lt;ul&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/var"><code>&lt;var&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/video"><code>&lt;video&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/wbr"><code>&lt;wbr&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/xmp"><code>&lt;xmp&gt;</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>&lt;input&gt;</code> types</summary> <ol><li><a href="/en-US/docs/Web/HTML/Element/input/button"><code>&lt;input type="button"&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/checkbox"><code>&lt;input type="checkbox"&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/color"><code>&lt;input type="color"&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/date"><code>&lt;input type="date"&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/datetime-local"><code>&lt;input type="datetime-local"&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/email"><code>&lt;input type="email"&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/file"><code>&lt;input type="file"&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/hidden"><code>&lt;input type="hidden"&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/image"><code>&lt;input type="image"&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/month"><code>&lt;input type="month"&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/number"><code>&lt;input type="number"&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/password"><code>&lt;input type="password"&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/radio"><code>&lt;input type="radio"&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/range"><code>&lt;input type="range"&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/reset"><code>&lt;input type="reset"&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/search"><code>&lt;input type="search"&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/submit"><code>&lt;input type="submit"&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/tel"><code>&lt;input type="tel"&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/text"><code>&lt;input type="text"&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/time"><code>&lt;input type="time"&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/url"><code>&lt;input type="url"&gt;</code></a></li><li><a href="/en-US/docs/Web/HTML/Element/input/week"><code>&lt;input type="week"&gt;</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="#usage_notes">Usage notes</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="#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>&lt;summary&gt;: The Disclosure Summary element</h1></header><div class="section-content"><p>The <strong><code>&lt;summary&gt;</code></strong> <a href="/en-US/docs/Web/HTML">HTML</a> element specifies a summary, caption, or legend for a <a href="/en-US/docs/Web/HTML/Element/details"><code>&lt;details&gt;</code></a> element's disclosure box. Clicking the <code>&lt;summary&gt;</code> element toggles the state of the parent <code>&lt;details&gt;</code> element open and closed.</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-shorter-height" height="200" src="https://interactive-examples.mdn.mozilla.net/pages/tabbed/summary.html" title="MDN Web Docs Interactive Example" allow="clipboard-write" loading="lazy"></iframe></div></section><section aria-labelledby="attributes"><h2 id="attributes"><a href="#attributes">Attributes</a></h2><div class="section-content"><p>This element only includes the <a href="/en-US/docs/Web/HTML/Global_attributes">global attributes</a>.</p></div></section><section aria-labelledby="usage_notes"><h2 id="usage_notes"><a href="#usage_notes">Usage notes</a></h2><div class="section-content"><p>The <code>&lt;summary&gt;</code> element's contents can be any heading content, plain text, or HTML that can be used within a paragraph.</p> <p>A <code>&lt;summary&gt;</code> element may <em>only</em> be used as the first child of a <code>&lt;details&gt;</code> element. When the user clicks on the summary, the parent <code>&lt;details&gt;</code> element is toggled open or closed, and then a <a href="/en-US/docs/Web/API/HTMLElement/toggle_event" title="toggle"><code>toggle</code></a> event is sent to the <code>&lt;details&gt;</code> element, which can be used to let you know when this state change occurs.</p> <p>The content of the <code>&lt;details&gt;</code> provides the <a href="/en-US/docs/Glossary/Accessible_description">accessible description</a> for the <code>&lt;summary&gt;</code>.</p></div></section><section aria-labelledby="default_label_text"><h3 id="default_label_text"><a href="#default_label_text">Default label text</a></h3><div class="section-content"><p>If a <code>&lt;details&gt;</code> element's first child is not a <code>&lt;summary&gt;</code> element, the <a href="/en-US/docs/Glossary/User_agent">user agent</a> will use a default string (typically "Details") as the label for the disclosure box.</p></div></section><section aria-labelledby="default_style"><h3 id="default_style"><a href="#default_style">Default style</a></h3><div class="section-content"><p>Per the HTML specification, the default style for <code>&lt;summary&gt;</code> elements includes <code>display: list-item</code>. This makes it possible to change or remove the icon displayed as the disclosure widget next to the label from the default, which is typically a triangle.</p> <p>You can also change the style to <code>display: block</code> to remove the disclosure triangle.</p> <p>See the <a href="#browser_compatibility">Browser compatibility</a> section for details, as not all browsers support full functionality of this element yet.</p> <p>For WebKit-based browsers, such as Safari, it is possible to control the icon display through the non-standard CSS pseudo-element <code>::-webkit-details-marker</code>. To remove the disclosure triangle, use <code>summary::-webkit-details-marker { display: none }</code>.</p></div></section><section aria-labelledby="examples"><h2 id="examples"><a href="#examples">Examples</a></h2><div class="section-content"><p>Below are some examples showing <code>&lt;summary&gt;</code> in use. You can find more examples in the documentation for the <a href="/en-US/docs/Web/HTML/Element/details"><code>&lt;details&gt;</code></a> element.</p></div></section><section aria-labelledby="basic_example"><h3 id="basic_example"><a href="#basic_example">Basic example</a></h3><div class="section-content"><p>A basic example showing the use of <code>&lt;summary&gt;</code> in a <a href="/en-US/docs/Web/HTML/Element/details"><code>&lt;details&gt;</code></a> element:</p> <div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code>&lt;details open&gt; &lt;summary&gt;Overview&lt;/summary&gt; &lt;ol&gt; &lt;li&gt;Cash on hand: $500.00&lt;/li&gt; &lt;li&gt;Current invoice: $75.30&lt;/li&gt; &lt;li&gt;Due date: 5/6/19&lt;/li&gt; &lt;/ol&gt; &lt;/details&gt; </code></pre></div> <h4 id="result">Result</h4><div class="code-example"><div class="example-header"></div><iframe class="sample-code-frame" title="Basic example sample" id="frame_basic_example" width="650" height="120" src="about:blank" data-live-path="/en-US/docs/Web/HTML/Element/summary" data-live-id="basic_example" sandbox="allow-same-origin allow-scripts" loading="lazy"></iframe></div></div></section><section aria-labelledby="summaries_as_headings"><h3 id="summaries_as_headings"><a href="#summaries_as_headings">Summaries as headings</a></h3><div class="section-content"><p>You can use heading elements in <code>&lt;summary&gt;</code>, like this:</p> <div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code>&lt;details open&gt; &lt;summary&gt;&lt;h4&gt;Overview&lt;/h4&gt;&lt;/summary&gt; &lt;ol&gt; &lt;li&gt;Cash on hand: $500.00&lt;/li&gt; &lt;li&gt;Current invoice: $75.30&lt;/li&gt; &lt;li&gt;Due date: 5/6/19&lt;/li&gt; &lt;/ol&gt; &lt;/details&gt; </code></pre></div> <h4 id="result_2">Result</h4><div class="code-example"><div class="example-header"></div><iframe class="sample-code-frame" title="Summaries as headings sample" id="frame_summaries_as_headings" width="650" height="120" src="about:blank" data-live-path="/en-US/docs/Web/HTML/Element/summary" data-live-id="summaries_as_headings" sandbox="allow-same-origin allow-scripts" loading="lazy"></iframe></div> <p>This currently has some spacing issues that could be addressed using CSS.</p> <div class="notecard warning"> <p><strong>Warning:</strong> Because the <code>&lt;summary&gt;</code> element has a default role of <a href="/en-US/docs/Web/Accessibility/ARIA/Roles/button_role">button</a> (which strips all roles from child elements), this example will not work for users of assistive technologies such as screen readers. The <code>&lt;h4&gt;</code> will have its role removed and thus will not be treated as a heading for these users.</p> </div></div></section><section aria-labelledby="html_in_summaries"><h3 id="html_in_summaries"><a href="#html_in_summaries">HTML in summaries</a></h3><div class="section-content"><p>This example adds some semantics to the <code>&lt;summary&gt;</code> element to indicate the label as important:</p> <div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code>&lt;details open&gt; &lt;summary&gt;&lt;strong&gt;Overview&lt;/strong&gt;&lt;/summary&gt; &lt;ol&gt; &lt;li&gt;Cash on hand: $500.00&lt;/li&gt; &lt;li&gt;Current invoice: $75.30&lt;/li&gt; &lt;li&gt;Due date: 5/6/19&lt;/li&gt; &lt;/ol&gt; &lt;/details&gt; </code></pre></div> <h4 id="result_3">Result</h4><div class="code-example"><div class="example-header"></div><iframe class="sample-code-frame" title="HTML in summaries sample" id="frame_html_in_summaries" width="650" height="120" src="about:blank" data-live-path="/en-US/docs/Web/HTML/Element/summary" data-live-id="html_in_summaries" sandbox="allow-same-origin allow-scripts" loading="lazy"></iframe></div></div></section><section aria-labelledby="changing_the_summarys_icon"><h3 id="changing_the_summarys_icon"><a href="#changing_the_summarys_icon">Changing the summary's icon</a></h3><div class="section-content"><p>The <code>&lt;summary&gt;</code> element's marker, the disclosure triangle, can be customized with CSS. The marker can be targeted using the <a href="/en-US/docs/Web/CSS/::marker"><code>::marker</code></a> pseudo-element. which accepts the <a href="/en-US/docs/Web/CSS/list-style"><code>list-style</code></a> shorthand property and its longhand component properties, such as <a href="/en-US/docs/Web/CSS/list-style-type"><code>list-style-type</code></a>. This enables changing the triangle to an image (usually with <a href="/en-US/docs/Web/CSS/list-style-image"><code>list-style-image</code></a>) or a string (including emojis). In this example, we replace the content of one disclosure widget and remove the icon from another by setting <code>list-style: none</code> before adding a custom disclosure icon via generated content.</p> <h4 id="css">CSS</h4> <p>In the first disclosure widget, we style the <code>::marker</code>, changing the <a href="/en-US/docs/Web/CSS/content"><code>content</code></a> based on the <code>&lt;details&gt;</code> element's <code>[open]</code> attribute. For the second widget, we remove the marker with <code>list-style</code> properties, then add styled generated content with the <a href="/en-US/docs/Web/CSS/::after"><code>::after</code></a> pseudo-element. We also include styles for <code>::-webkit-details-marker</code> to target Safari. The selector for the browser-specific pseudo-element is included in an <a href="/en-US/docs/Web/CSS/:is"><code>:is()</code></a> pseudo-class so it doesn't invalidate the selector list.</p> <div class="code-example"><div class="example-header"><span class="language-name">css</span></div><pre class="brush: css notranslate"><code>details { font-size: 1rem; font-family: "Open Sans", Calibri, sans-serif; border: solid; padding: 2px 6px; margin-bottom: 1em; } details:first-of-type summary::marker, :is(::-webkit-details-marker) { content: "+ "; font-family: monospace; color: red; font-weight: bold; } details[open]:first-of-type summary::marker { content: "- "; } details:last-of-type summary { list-style: none; &amp;::after { content: "+"; color: white; background-color: darkgreen; border-radius: 1em; font-weight: bold; padding: 0 5px; margin-inline-start: 5px; } [open] &amp;::after { content: "-"; } } details:last-of-type summary::-webkit-details-marker { display: none; } </code></pre></div> <p>The CSS includes the <code>[open]</code> <a href="/en-US/docs/Web/CSS/Attribute_selectors">attribute selector</a>, matching only when the <code>open</code> attribute is present (when the <code>&lt;details&gt;</code> are open). The <a href="/en-US/docs/Web/CSS/:first-of-type"><code>:first-of-type</code></a> and <a href="/en-US/docs/Web/CSS/:last-of-type"><code>:last-of-type</code></a> pseudo-classes target the first and sibling elements of the same type. We included the prefixed <code>-webkit-</code> pseudo-element within a <a href="/en-US/docs/Web/CSS/:is"><code>:is()</code></a> pseudo-class as it takes a <a href="/en-US/docs/Web/CSS/Selector_list#forgiving_selector_list">forgiving selector list</a>, so if the prefixed pseudo-element is invalid in a browser, the whole selector block will not be invalid. We also used CSS <a href="/en-US/docs/Web/CSS/Nesting_selector">nesting</a>. See the <a href="/en-US/docs/Web/CSS/CSS_selectors">CSS selectors</a> module.</p> <h4 id="html">HTML</h4> <div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code>&lt;details&gt; &lt;h1&gt;Quotes from Helen Keller&lt;/h2&gt; &lt;summary&gt;On women's rights&lt;/summary&gt; &lt;p&gt; &lt;q&gt;We have prayed, we have coaxed, we have begged, for the vote, with the hope that men, out of chivalry, would bestow equal rights upon women and take them into partnership in the affairs of the state. We hoped that their common sense would triumph over prejudices and stupidity. We thought their boasted sense of justice would overcome the errors that so often fetter the human spirit; but we have always gone away empty-handed. We shall beg no more.&lt;/q&gt; &lt;/p&gt; &lt;/details&gt; &lt;details&gt; &lt;summary&gt;On optimism&lt;/summary&gt; &lt;p&gt; &lt;q&gt;Optimism is the faith that leads to achievement; nothing can be done without hope.&lt;/q&gt; &lt;/p&gt; &lt;/details&gt; </code></pre></div> <h4 id="result_4">Result</h4><div class="code-example"><div class="example-header"></div><iframe class="sample-code-frame" title="Changing the summary's icon sample" id="frame_changing_the_summarys_icon" width="650" height="150" src="about:blank" data-live-path="/en-US/docs/Web/HTML/Element/summary" data-live-id="changing_the_summarys_icon" sandbox="allow-same-origin allow-scripts" loading="lazy"></iframe></div></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>none</td> </tr> <tr> <th scope="row">Permitted content</th> <td> <a href="/en-US/docs/Web/HTML/Content_categories#phrasing_content">Phrasing content</a>, optionally intermixed with <a href="/en-US/docs/Web/HTML/Content_categories#heading_content">Heading content</a> </td> </tr> <tr> <th scope="row">Tag omission</th> <td>None; both the start tag and the end tag are mandatory.</td> </tr> <tr> <th scope="row">Permitted parents</th> <td>The <a href="/en-US/docs/Web/HTML/Element/details"><code>&lt;details&gt;</code></a> element.</td> </tr> <tr> <th scope="row">Implicit ARIA role</th> <td><a href="https://www.w3.org/TR/html-aria/#dfn-no-corresponding-role" class="external" target="_blank">No corresponding role</a></td> </tr> <tr> <th scope="row">Permitted ARIA roles</th> <td>No <code>role</code> permitted</td> </tr> <tr> <th scope="row">DOM interface</th> <td><a href="/en-US/docs/Web/API/HTMLElement"><code>HTMLElement</code></a></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/interactive-elements.html#the-summary-element">HTML Standard<!-- --> <br/><small># <!-- -->the-summary-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. 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<!-- -->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/summary","doc":{"isMarkdown":true,"isTranslated":false,"isActive":true,"flaws":{},"title":"<summary>: The Disclosure Summary element","mdn_url":"/en-US/docs/Web/HTML/Element/summary","locale":"en-US","native":"English (US)","browserCompat":["html.elements.summary"],"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>&lt;a&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/abbr\"><code>&lt;abbr&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/acronym\"><code>&lt;acronym&gt;</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>&lt;address&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/area\"><code>&lt;area&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/article\"><code>&lt;article&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/aside\"><code>&lt;aside&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/audio\"><code>&lt;audio&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/b\"><code>&lt;b&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/base\"><code>&lt;base&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/bdi\"><code>&lt;bdi&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/bdo\"><code>&lt;bdo&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/big\"><code>&lt;big&gt;</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>&lt;blockquote&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/body\"><code>&lt;body&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/br\"><code>&lt;br&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/button\"><code>&lt;button&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/canvas\"><code>&lt;canvas&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/caption\"><code>&lt;caption&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/center\"><code>&lt;center&gt;</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>&lt;cite&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/code\"><code>&lt;code&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/col\"><code>&lt;col&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/colgroup\"><code>&lt;colgroup&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/data\"><code>&lt;data&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/datalist\"><code>&lt;datalist&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/dd\"><code>&lt;dd&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/del\"><code>&lt;del&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/details\"><code>&lt;details&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/dfn\"><code>&lt;dfn&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/dialog\"><code>&lt;dialog&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/dir\"><code>&lt;dir&gt;</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>&lt;div&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/dl\"><code>&lt;dl&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/dt\"><code>&lt;dt&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/em\"><code>&lt;em&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/embed\"><code>&lt;embed&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/fencedframe\"><code>&lt;fencedframe&gt;</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>&lt;fieldset&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/figcaption\"><code>&lt;figcaption&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/figure\"><code>&lt;figure&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/font\"><code>&lt;font&gt;</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>&lt;footer&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/form\"><code>&lt;form&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/frame\"><code>&lt;frame&gt;</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>&lt;frameset&gt;</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>&lt;h1&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/head\"><code>&lt;head&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/header\"><code>&lt;header&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/hgroup\"><code>&lt;hgroup&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/hr\"><code>&lt;hr&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/html\"><code>&lt;html&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/i\"><code>&lt;i&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/iframe\"><code>&lt;iframe&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/img\"><code>&lt;img&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input\"><code>&lt;input&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/ins\"><code>&lt;ins&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/kbd\"><code>&lt;kbd&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/label\"><code>&lt;label&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/legend\"><code>&lt;legend&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/li\"><code>&lt;li&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/link\"><code>&lt;link&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/main\"><code>&lt;main&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/map\"><code>&lt;map&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/mark\"><code>&lt;mark&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/marquee\"><code>&lt;marquee&gt;</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>&lt;menu&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/meta\"><code>&lt;meta&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/meter\"><code>&lt;meter&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/nav\"><code>&lt;nav&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/nobr\"><code>&lt;nobr&gt;</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>&lt;noembed&gt;</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>&lt;noframes&gt;</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>&lt;noscript&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/object\"><code>&lt;object&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/ol\"><code>&lt;ol&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/optgroup\"><code>&lt;optgroup&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/option\"><code>&lt;option&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/output\"><code>&lt;output&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/p\"><code>&lt;p&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/param\"><code>&lt;param&gt;</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>&lt;picture&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/plaintext\"><code>&lt;plaintext&gt;</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>&lt;portal&gt;</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>&lt;pre&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/progress\"><code>&lt;progress&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/q\"><code>&lt;q&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/rb\"><code>&lt;rb&gt;</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>&lt;rp&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/rt\"><code>&lt;rt&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/rtc\"><code>&lt;rtc&gt;</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>&lt;ruby&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/s\"><code>&lt;s&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/samp\"><code>&lt;samp&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/script\"><code>&lt;script&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/search\"><code>&lt;search&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/section\"><code>&lt;section&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/select\"><code>&lt;select&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/slot\"><code>&lt;slot&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/small\"><code>&lt;small&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/source\"><code>&lt;source&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/span\"><code>&lt;span&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/strike\"><code>&lt;strike&gt;</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>&lt;strong&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/style\"><code>&lt;style&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/sub\"><code>&lt;sub&gt;</code></a></li><li><em><a href=\"/en-US/docs/Web/HTML/Element/summary\" aria-current=\"page\"><code>&lt;summary&gt;</code></a></em></li><li><a href=\"/en-US/docs/Web/HTML/Element/sup\"><code>&lt;sup&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/table\"><code>&lt;table&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/tbody\"><code>&lt;tbody&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/td\"><code>&lt;td&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/template\"><code>&lt;template&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/textarea\"><code>&lt;textarea&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/tfoot\"><code>&lt;tfoot&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/th\"><code>&lt;th&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/thead\"><code>&lt;thead&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/time\"><code>&lt;time&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/title\"><code>&lt;title&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/tr\"><code>&lt;tr&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/track\"><code>&lt;track&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/tt\"><code>&lt;tt&gt;</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>&lt;u&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/ul\"><code>&lt;ul&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/var\"><code>&lt;var&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/video\"><code>&lt;video&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/wbr\"><code>&lt;wbr&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/xmp\"><code>&lt;xmp&gt;</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>&lt;input&gt;</code> types</summary>\n <ol><li><a href=\"/en-US/docs/Web/HTML/Element/input/button\"><code>&lt;input type=\"button\"&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/checkbox\"><code>&lt;input type=\"checkbox\"&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/color\"><code>&lt;input type=\"color\"&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/date\"><code>&lt;input type=\"date\"&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/datetime-local\"><code>&lt;input type=\"datetime-local\"&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/email\"><code>&lt;input type=\"email\"&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/file\"><code>&lt;input type=\"file\"&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/hidden\"><code>&lt;input type=\"hidden\"&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/image\"><code>&lt;input type=\"image\"&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/month\"><code>&lt;input type=\"month\"&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/number\"><code>&lt;input type=\"number\"&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/password\"><code>&lt;input type=\"password\"&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/radio\"><code>&lt;input type=\"radio\"&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/range\"><code>&lt;input type=\"range\"&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/reset\"><code>&lt;input type=\"reset\"&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/search\"><code>&lt;input type=\"search\"&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/submit\"><code>&lt;input type=\"submit\"&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/tel\"><code>&lt;input type=\"tel\"&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/text\"><code>&lt;input type=\"text\"&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/time\"><code>&lt;input type=\"time\"&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/url\"><code>&lt;input type=\"url\"&gt;</code></a></li><li><a href=\"/en-US/docs/Web/HTML/Element/input/week\"><code>&lt;input type=\"week\"&gt;</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>&lt;summary&gt;</code></strong> <a href=\"/en-US/docs/Web/HTML\">HTML</a> element specifies a summary, caption, or legend for a <a href=\"/en-US/docs/Web/HTML/Element/details\"><code>&lt;details&gt;</code></a> element's disclosure box. Clicking the <code>&lt;summary&gt;</code> element toggles the state of the parent <code>&lt;details&gt;</code> element open and closed.</p>"}},{"type":"prose","value":{"id":"try_it","title":"Try it","isH3":false,"content":"<iframe class=\"interactive is-tabbed-shorter-height\" height=\"200\" src=\"https://interactive-examples.mdn.mozilla.net/pages/tabbed/summary.html\" title=\"MDN Web Docs Interactive Example\" allow=\"clipboard-write\" loading=\"lazy\"></iframe>"}},{"type":"prose","value":{"id":"attributes","title":"Attributes","isH3":false,"content":"<p>This element only includes the <a href=\"/en-US/docs/Web/HTML/Global_attributes\">global attributes</a>.</p>"}},{"type":"prose","value":{"id":"usage_notes","title":"Usage notes","isH3":false,"content":"<p>The <code>&lt;summary&gt;</code> element's contents can be any heading content, plain text, or HTML that can be used within a paragraph.</p>\n<p>A <code>&lt;summary&gt;</code> element may <em>only</em> be used as the first child of a <code>&lt;details&gt;</code> element. When the user clicks on the summary, the parent <code>&lt;details&gt;</code> element is toggled open or closed, and then a <a href=\"/en-US/docs/Web/API/HTMLElement/toggle_event\" title=\"toggle\"><code>toggle</code></a> event is sent to the <code>&lt;details&gt;</code> element, which can be used to let you know when this state change occurs.</p>\n<p>The content of the <code>&lt;details&gt;</code> provides the <a href=\"/en-US/docs/Glossary/Accessible_description\">accessible description</a> for the <code>&lt;summary&gt;</code>.</p>"}},{"type":"prose","value":{"id":"default_label_text","title":"Default label text","isH3":true,"content":"<p>If a <code>&lt;details&gt;</code> element's first child is not a <code>&lt;summary&gt;</code> element, the <a href=\"/en-US/docs/Glossary/User_agent\">user agent</a> will use a default string (typically \"Details\") as the label for the disclosure box.</p>"}},{"type":"prose","value":{"id":"default_style","title":"Default style","isH3":true,"content":"<p>Per the HTML specification, the default style for <code>&lt;summary&gt;</code> elements includes <code>display: list-item</code>. This makes it possible to change or remove the icon displayed as the disclosure widget next to the label from the default, which is typically a triangle.</p>\n<p>You can also change the style to <code>display: block</code> to remove the disclosure triangle.</p>\n<p>See the <a href=\"#browser_compatibility\">Browser compatibility</a> section for details, as not all browsers support full functionality of this element yet.</p>\n<p>For WebKit-based browsers, such as Safari, it is possible to control the icon display through the non-standard CSS pseudo-element <code>::-webkit-details-marker</code>. To remove the disclosure triangle, use <code>summary::-webkit-details-marker { display: none }</code>.</p>"}},{"type":"prose","value":{"id":"examples","title":"Examples","isH3":false,"content":"<p>Below are some examples showing <code>&lt;summary&gt;</code> in use. You can find more examples in the documentation for the <a href=\"/en-US/docs/Web/HTML/Element/details\"><code>&lt;details&gt;</code></a> element.</p>"}},{"type":"prose","value":{"id":"basic_example","title":"Basic example","isH3":true,"content":"<p>A basic example showing the use of <code>&lt;summary&gt;</code> in a <a href=\"/en-US/docs/Web/HTML/Element/details\"><code>&lt;details&gt;</code></a> element:</p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code>&lt;details open&gt;\n &lt;summary&gt;Overview&lt;/summary&gt;\n &lt;ol&gt;\n &lt;li&gt;Cash on hand: $500.00&lt;/li&gt;\n &lt;li&gt;Current invoice: $75.30&lt;/li&gt;\n &lt;li&gt;Due date: 5/6/19&lt;/li&gt;\n &lt;/ol&gt;\n&lt;/details&gt;\n</code></pre></div>\n<h4 id=\"result\">Result</h4><div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"Basic example sample\" id=\"frame_basic_example\" width=\"650\" height=\"120\" src=\"about:blank\" data-live-path=\"/en-US/docs/Web/HTML/Element/summary\" data-live-id=\"basic_example\" sandbox=\"allow-same-origin allow-scripts\" loading=\"lazy\"></iframe></div>"}},{"type":"prose","value":{"id":"summaries_as_headings","title":"Summaries as headings","isH3":true,"content":"<p>You can use heading elements in <code>&lt;summary&gt;</code>, like this:</p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code>&lt;details open&gt;\n &lt;summary&gt;&lt;h4&gt;Overview&lt;/h4&gt;&lt;/summary&gt;\n &lt;ol&gt;\n &lt;li&gt;Cash on hand: $500.00&lt;/li&gt;\n &lt;li&gt;Current invoice: $75.30&lt;/li&gt;\n &lt;li&gt;Due date: 5/6/19&lt;/li&gt;\n &lt;/ol&gt;\n&lt;/details&gt;\n</code></pre></div>\n<h4 id=\"result_2\">Result</h4><div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"Summaries as headings sample\" id=\"frame_summaries_as_headings\" width=\"650\" height=\"120\" src=\"about:blank\" data-live-path=\"/en-US/docs/Web/HTML/Element/summary\" data-live-id=\"summaries_as_headings\" sandbox=\"allow-same-origin allow-scripts\" loading=\"lazy\"></iframe></div>\n<p>This currently has some spacing issues that could be addressed using CSS.</p>\n<div class=\"notecard warning\">\n <p><strong>Warning:</strong> Because the <code>&lt;summary&gt;</code> element has a default role of <a href=\"/en-US/docs/Web/Accessibility/ARIA/Roles/button_role\">button</a> (which strips all roles from child elements), this example will not work for users of assistive technologies such as screen readers. The <code>&lt;h4&gt;</code> will have its role removed and thus will not be treated as a heading for these users.</p>\n</div>"}},{"type":"prose","value":{"id":"html_in_summaries","title":"HTML in summaries","isH3":true,"content":"<p>This example adds some semantics to the <code>&lt;summary&gt;</code> element to indicate the label as important:</p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code>&lt;details open&gt;\n &lt;summary&gt;&lt;strong&gt;Overview&lt;/strong&gt;&lt;/summary&gt;\n &lt;ol&gt;\n &lt;li&gt;Cash on hand: $500.00&lt;/li&gt;\n &lt;li&gt;Current invoice: $75.30&lt;/li&gt;\n &lt;li&gt;Due date: 5/6/19&lt;/li&gt;\n &lt;/ol&gt;\n&lt;/details&gt;\n</code></pre></div>\n<h4 id=\"result_3\">Result</h4><div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"HTML in summaries sample\" id=\"frame_html_in_summaries\" width=\"650\" height=\"120\" src=\"about:blank\" data-live-path=\"/en-US/docs/Web/HTML/Element/summary\" data-live-id=\"html_in_summaries\" sandbox=\"allow-same-origin allow-scripts\" loading=\"lazy\"></iframe></div>"}},{"type":"prose","value":{"id":"changing_the_summarys_icon","title":"Changing the summary's icon","isH3":true,"content":"<p>The <code>&lt;summary&gt;</code> element's marker, the disclosure triangle, can be customized with CSS. The marker can be targeted using the <a href=\"/en-US/docs/Web/CSS/::marker\"><code>::marker</code></a> pseudo-element. which accepts the <a href=\"/en-US/docs/Web/CSS/list-style\"><code>list-style</code></a> shorthand property and its longhand component properties, such as <a href=\"/en-US/docs/Web/CSS/list-style-type\"><code>list-style-type</code></a>. This enables changing the triangle to an image (usually with <a href=\"/en-US/docs/Web/CSS/list-style-image\"><code>list-style-image</code></a>) or a string (including emojis). In this example, we replace the content of one disclosure widget and remove the icon from another by setting <code>list-style: none</code> before adding a custom disclosure icon via generated content.</p>\n<h4 id=\"css\">CSS</h4>\n<p>In the first disclosure widget, we style the <code>::marker</code>, changing the <a href=\"/en-US/docs/Web/CSS/content\"><code>content</code></a> based on the <code>&lt;details&gt;</code> element's <code>[open]</code> attribute. For the second widget, we remove the marker with <code>list-style</code> properties, then add styled generated content with the <a href=\"/en-US/docs/Web/CSS/::after\"><code>::after</code></a> pseudo-element. We also include styles for <code>::-webkit-details-marker</code> to target Safari. The selector for the browser-specific pseudo-element is included in an <a href=\"/en-US/docs/Web/CSS/:is\"><code>:is()</code></a> pseudo-class so it doesn't invalidate the selector list.</p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">css</span></div><pre class=\"brush: css notranslate\"><code>details {\n font-size: 1rem;\n font-family: \"Open Sans\", Calibri, sans-serif;\n border: solid;\n padding: 2px 6px;\n margin-bottom: 1em;\n}\n\ndetails:first-of-type summary::marker,\n:is(::-webkit-details-marker) {\n content: \"+ \";\n font-family: monospace;\n color: red;\n font-weight: bold;\n}\n\ndetails[open]:first-of-type summary::marker {\n content: \"- \";\n}\n\ndetails:last-of-type summary {\n list-style: none;\n &amp;::after {\n content: \"+\";\n color: white;\n background-color: darkgreen;\n border-radius: 1em;\n font-weight: bold;\n padding: 0 5px;\n margin-inline-start: 5px;\n }\n [open] &amp;::after {\n content: \"-\";\n }\n}\ndetails:last-of-type summary::-webkit-details-marker {\n display: none;\n}\n</code></pre></div>\n<p>The CSS includes the <code>[open]</code> <a href=\"/en-US/docs/Web/CSS/Attribute_selectors\">attribute selector</a>, matching only when the <code>open</code> attribute is present (when the <code>&lt;details&gt;</code> are open). The <a href=\"/en-US/docs/Web/CSS/:first-of-type\"><code>:first-of-type</code></a> and <a href=\"/en-US/docs/Web/CSS/:last-of-type\"><code>:last-of-type</code></a> pseudo-classes target the first and sibling elements of the same type. We included the prefixed <code>-webkit-</code> pseudo-element within a <a href=\"/en-US/docs/Web/CSS/:is\"><code>:is()</code></a> pseudo-class as it takes a <a href=\"/en-US/docs/Web/CSS/Selector_list#forgiving_selector_list\">forgiving selector list</a>, so if the prefixed pseudo-element is invalid in a browser, the whole selector block will not be invalid. We also used CSS <a href=\"/en-US/docs/Web/CSS/Nesting_selector\">nesting</a>. See the <a href=\"/en-US/docs/Web/CSS/CSS_selectors\">CSS selectors</a> module.</p>\n<h4 id=\"html\">HTML</h4>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code>&lt;details&gt;\n&lt;h1&gt;Quotes from Helen Keller&lt;/h2&gt;\n &lt;summary&gt;On women's rights&lt;/summary&gt;\n &lt;p&gt;\n &lt;q&gt;We have prayed, we have coaxed, we have begged, for the vote, with the hope that men, out of chivalry, would bestow equal rights upon women and take them into partnership in the affairs of the state. We hoped that their common sense would triumph over prejudices and stupidity. We thought their boasted sense of justice would overcome the errors that so often fetter the human spirit; but we have always gone away empty-handed. We shall beg no more.&lt;/q&gt;\n &lt;/p&gt;\n&lt;/details&gt;\n\n&lt;details&gt;\n &lt;summary&gt;On optimism&lt;/summary&gt;\n &lt;p&gt;\n &lt;q&gt;Optimism is the faith that leads to achievement; nothing can be done without hope.&lt;/q&gt;\n &lt;/p&gt;\n&lt;/details&gt;\n</code></pre></div>\n<h4 id=\"result_4\">Result</h4><div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"Changing the summary's icon sample\" id=\"frame_changing_the_summarys_icon\" width=\"650\" height=\"150\" src=\"about:blank\" data-live-path=\"/en-US/docs/Web/HTML/Element/summary\" data-live-id=\"changing_the_summarys_icon\" sandbox=\"allow-same-origin allow-scripts\" loading=\"lazy\"></iframe></div>"}},{"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>none</td>\n </tr>\n <tr>\n <th scope=\"row\">Permitted content</th>\n <td>\n <a href=\"/en-US/docs/Web/HTML/Content_categories#phrasing_content\">Phrasing content</a>, optionally intermixed with\n <a href=\"/en-US/docs/Web/HTML/Content_categories#heading_content\">Heading content</a>\n </td>\n </tr>\n <tr>\n <th scope=\"row\">Tag omission</th>\n <td>None; both the start tag and the end tag are mandatory.</td>\n </tr>\n <tr>\n <th scope=\"row\">Permitted parents</th>\n <td>The <a href=\"/en-US/docs/Web/HTML/Element/details\"><code>&lt;details&gt;</code></a> element.</td>\n </tr>\n <tr>\n <th scope=\"row\">Implicit ARIA role</th>\n <td><a href=\"https://www.w3.org/TR/html-aria/#dfn-no-corresponding-role\" class=\"external\" target=\"_blank\">No corresponding role</a></td>\n </tr>\n <tr>\n <th scope=\"row\">Permitted ARIA roles</th>\n <td>No <code>role</code> permitted</td>\n </tr>\n <tr>\n <th scope=\"row\">DOM interface</th>\n <td><a href=\"/en-US/docs/Web/API/HTMLElement\"><code>HTMLElement</code></a></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/interactive-elements.html#the-summary-element","title":"HTML Standard"}],"query":"html.elements.summary"}},{"type":"browser_compatibility","value":{"title":"Browser compatibility","id":"browser_compatibility","isH3":false,"query":"html.elements.summary"}},{"type":"prose","value":{"id":"see_also","title":"See also","isH3":false,"content":"<ul>\n <li><a href=\"/en-US/docs/Web/HTML/Element/details\"><code>&lt;details&gt;</code></a></li>\n</ul>"}}],"toc":[{"text":"Try it","id":"try_it"},{"text":"Attributes","id":"attributes"},{"text":"Usage notes","id":"usage_notes"},{"text":"Examples","id":"examples"},{"text":"Technical summary","id":"technical_summary"},{"text":"Specifications","id":"specifications"},{"text":"Browser compatibility","id":"browser_compatibility"},{"text":"See also","id":"see_also"}],"summary":"The <summary> HTML element specifies a summary, caption, or legend for a <details> element's disclosure box. Clicking the <summary> element toggles the state of the parent <details> element open and closed.","popularity":0,"modified":"2024-11-22T16:43:48.000Z","other_translations":[{"locale":"de","title":"<summary>: Das Disclosure Summary-Element","native":"Deutsch"},{"locale":"fr","title":"<summary> : l'élément de révélation d'un résumé","native":"Français"},{"locale":"ja","title":"<summary>: 概要明示要素","native":"日本語"},{"locale":"pt-BR","title":"summary","native":"Português (do Brasil)"},{"locale":"ru","title":"<summary>: The Disclosure Summary element","native":"Русский"},{"locale":"zh-CN","title":"<summary>:摘要展现元素","native":"中文 (简体)"}],"pageType":"html-element","source":{"folder":"en-us/web/html/element/summary","github_url":"https://github.com/mdn/content/blob/main/files/en-us/web/html/element/summary/index.md","last_commit_url":"https://github.com/mdn/content/commit/5f76b99045f87349ed030bbd6a3c2e43badb3c22","filename":"index.md"},"short_title":"<summary>","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/summary","title":"<summary>"}],"pageTitle":"<summary>: The Disclosure Summary element - HTML: HyperText Markup Language | MDN","noIndexing":false}}</script></body></html>

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