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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> <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><a href="/en-US/docs/Web/HTML/Element/bdo"><code><bdo></code></a></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 open=""> <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><em><a href="/en-US/docs/Web/HTML/Element/input/checkbox" aria-current="page"><code><input type="checkbox"></code></a></em></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="#value">Value</a></li><li class="document-toc-item "><a class="document-toc-link" href="#additional_attributes">Additional attributes</a></li><li class="document-toc-item "><a class="document-toc-link" href="#using_checkbox_inputs">Using checkbox inputs</a></li><li class="document-toc-item "><a class="document-toc-link" href="#validation">Validation</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><input type="checkbox"></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%2Finput%2Fcheckbox&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><a href="/en-US/docs/Web/HTML/Element/input"><code><input></code></a> elements of type <strong><code>checkbox</code></strong> are rendered by default as boxes that are checked (ticked) when activated, like you might see in an official government paper form. The exact appearance depends upon the operating system configuration under which the browser is running. Generally this is a square but it may have rounded corners. A checkbox allows you to select single values for submission in a form (or not).</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/input-checkbox.html" title="MDN Web Docs Interactive Example" allow="clipboard-write" loading="lazy"></iframe> <div class="notecard note"> <p><strong>Note:</strong> <a href="/en-US/docs/Web/HTML/Element/input/radio">Radio buttons</a> are similar to checkboxes, but with an important distinction — <a href="/en-US/docs/Web/HTML/Element/input/radio#defining_a_radio_group">same-named radio buttons</a> are grouped into a set in which only one radio button can be selected at a time, whereas checkboxes allow you to turn single values on and off. Where multiple same-named controls exist, radio buttons allow one to be selected out of them all, whereas checkboxes allow multiple values to be selected.</p> </div></div></section><section aria-labelledby="value"><h2 id="value"><a href="#value">Value</a></h2><div class="section-content"><p>A string representing the value of the checkbox. This is not displayed on the client-side, but on the server this is the <code>value</code> given to the data submitted with the checkbox's <code>name</code>. Take the following example:</p> <div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code><form> <div> <input type="checkbox" id="subscribeNews" name="subscribe" value="newsletter" /> <label for="subscribeNews">Subscribe to newsletter?</label> </div> <div> <button type="submit">Subscribe</button> </div> </form> </code></pre></div> <p>In this example, we've got a name of <code>subscribe</code>, and a value of <code>newsletter</code>. When the form is submitted, the data name/value pair will be <code>subscribe=newsletter</code>.</p> <p>If the <code>value</code> attribute was omitted, the default value for the checkbox is <code>on</code>, so the submitted data in that case would be <code>subscribe=on</code>.</p> <div class="notecard note"> <p><strong>Note:</strong> If a checkbox is unchecked when its form is submitted, neither the name nor the value is submitted to the server. There is no HTML-only method of representing a checkbox's unchecked state (e.g. <code>value=unchecked</code>). If you wanted to submit a default value for the checkbox when it is unchecked, you could include JavaScript to create a <a href="/en-US/docs/Web/HTML/Element/input/hidden"><input type="hidden"></a> within the form with a value indicating an unchecked state.</p> </div></div></section><section aria-labelledby="additional_attributes"><h2 id="additional_attributes"><a href="#additional_attributes">Additional attributes</a></h2><div class="section-content"><p>In addition to the <a href="/en-US/docs/Web/HTML/Element/input#attributes">common attributes</a> shared by all <a href="/en-US/docs/Web/HTML/Element/input"><code><input></code></a> elements, <code>checkbox</code> inputs support the following attributes.</p> <dl> <dt id="checked"><a href="#checked"><code>checked</code></a></dt> <dd> <p>A <a href="/en-US/docs/Glossary/Boolean/HTML">boolean</a> attribute indicating whether this checkbox is checked by default (when the page loads). It does <em>not</em> indicate whether this checkbox is currently checked: if the checkbox's state is changed, this content attribute does not reflect the change. (Only the <a href="/en-US/docs/Web/API/HTMLInputElement"><code>HTMLInputElement</code></a>'s <code>checked</code> IDL attribute is updated.)</p> <div class="notecard note"> <p> <strong>Note:</strong> Unlike other input controls, a checkbox's value is only included in the submitted data if the checkbox is currently <code>checked</code>. If it is, then the value of the checkbox's <code>value</code> attribute is reported as the input's value, or <code>on</code> if no <code>value</code> is set. Unlike other browsers, Firefox by default <a href="https://stackoverflow.com/questions/5985839/bug-with-firefox-disabled-attribute-of-input-not-resetting-when-refreshing" class="external" target="_blank">persists the dynamic checked state</a> of an <code><input></code> across page loads. Use the <a href="/en-US/docs/Web/HTML/Element/input#autocomplete"><code>autocomplete</code></a> attribute to control this feature. </p> </div> </dd> <dt id="value_2"><a href="#value_2"><code>value</code></a></dt> <dd> <p>The <code>value</code> attribute is one which all <a href="/en-US/docs/Web/HTML/Element/input"><code><input></code></a>s share; however, it serves a special purpose for inputs of type <code>checkbox</code>: when a form is submitted, only checkboxes which are currently checked are submitted to the server, and the reported value is the value of the <code>value</code> attribute. If the <code>value</code> is not otherwise specified, it is the string <code>on</code> by default. This is demonstrated in the section <a href="#value">Value</a> above.</p> </dd> </dl></div></section><section aria-labelledby="using_checkbox_inputs"><h2 id="using_checkbox_inputs"><a href="#using_checkbox_inputs">Using checkbox inputs</a></h2><div class="section-content"><p>We already covered the most basic use of checkboxes above. Let's now look at the other common checkbox-related features and techniques you'll need.</p></div></section><section aria-labelledby="handling_multiple_checkboxes"><h3 id="handling_multiple_checkboxes"><a href="#handling_multiple_checkboxes">Handling multiple checkboxes</a></h3><div class="section-content"><p>The example we saw above only contained one checkbox; in real-world situations you'll be likely to encounter multiple checkboxes. If they are completely unrelated, then you can just deal with them all separately, as shown above. However, if they're all related, things are not quite so simple.</p> <p>For example, in the following demo we include multiple checkboxes to allow the user to select their interests (see the full version in the <a href="#examples">Examples</a> section).</p> <div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code><fieldset> <legend>Choose your interests</legend> <div> <input type="checkbox" id="coding" name="interest" value="coding" /> <label for="coding">Coding</label> </div> <div> <input type="checkbox" id="music" name="interest" value="music" /> <label for="music">Music</label> </div> </fieldset> </code></pre></div><div class="code-example"><div class="example-header"></div><iframe class="sample-code-frame" title="Handling multiple checkboxes sample" id="frame_handling_multiple_checkboxes" width="600" height="100" src="about:blank" data-live-path="/en-US/docs/Web/HTML/Element/input/checkbox" data-live-id="handling_multiple_checkboxes" sandbox="allow-same-origin allow-scripts" loading="lazy"></iframe></div> <p>In this example you will see that we've given each checkbox the same <code>name</code>. If both checkboxes are checked and then the form is submitted, you'll get a string of name/value pairs submitted like this: <code>interest=coding&interest=music</code>. When this string reaches the server, you need to parse it other than as an associative array, so all values, not only the last value, of <code>interest</code> are captured. For one technique used with Python, see <a href="https://stackoverflow.com/questions/18745456/handle-multiple-checkboxes-with-a-single-serverside-variable" class="external" target="_blank">Handle Multiple Checkboxes with a Single Serverside Variable</a>, for example.</p></div></section><section aria-labelledby="checking_boxes_by_default"><h3 id="checking_boxes_by_default"><a href="#checking_boxes_by_default">Checking boxes by default</a></h3><div class="section-content"><p>To make a checkbox checked by default, you give it the <code>checked</code> attribute. See the below example:</p> <div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code><fieldset> <legend>Choose your interests</legend> <div> <input type="checkbox" id="coding" name="interest" value="coding" checked /> <label for="coding">Coding</label> </div> <div> <input type="checkbox" id="music" name="interest" value="music" /> <label for="music">Music</label> </div> </fieldset> </code></pre></div><div class="code-example"><div class="example-header"></div><iframe class="sample-code-frame" title="Checking boxes by default sample" id="frame_checking_boxes_by_default" width="600" height="100" src="about:blank" data-live-path="/en-US/docs/Web/HTML/Element/input/checkbox" data-live-id="checking_boxes_by_default" sandbox="allow-same-origin allow-scripts" loading="lazy"></iframe></div></div></section><section aria-labelledby="providing_a_bigger_hit_area_for_your_checkboxes"><h3 id="providing_a_bigger_hit_area_for_your_checkboxes"><a href="#providing_a_bigger_hit_area_for_your_checkboxes">Providing a bigger hit area for your checkboxes</a></h3><div class="section-content"><p>In the above examples, you may have noticed that you can toggle a checkbox by clicking on its associated <a href="/en-US/docs/Web/HTML/Element/label"><code><label></code></a> element as well as on the checkbox itself. This is a really useful feature of HTML form labels that makes it easier to click the option you want, especially on small-screen devices like smartphones.</p> <p>Beyond accessibility, this is another good reason to properly set up <code><label></code> elements on your forms.</p></div></section><section aria-labelledby="indeterminate_state_checkboxes"><h3 id="indeterminate_state_checkboxes"><a href="#indeterminate_state_checkboxes">Indeterminate state checkboxes</a></h3><div class="section-content"><p>A checkbox can be in an <strong>indeterminate</strong> state. This is set using the <a href="/en-US/docs/Web/API/HTMLInputElement"><code>HTMLInputElement</code></a> object's <a href="/en-US/docs/Web/API/HTMLInputElement/indeterminate"><code>indeterminate</code></a> property via JavaScript (it cannot be set using an HTML attribute):</p> <div class="code-example"><div class="example-header"><span class="language-name">js</span></div><pre class="brush: js notranslate"><code>inputInstance.indeterminate = true; </code></pre></div> <p>When <code>indeterminate</code> is <code>true</code>, the checkbox has a horizontal line in the box (it looks somewhat like a hyphen or minus sign) instead of a check/tick in most browsers.</p> <div class="notecard note"> <p><strong>Note:</strong> This is purely a visual change. It has no impact on whether the checkbox's <code>value</code> is used in a form submission. That is decided by the <code>checked</code> state, regardless of the <code>indeterminate</code> state.</p> </div> <p>There are not many use cases for this property. The most common is when a checkbox is available that "owns" a number of sub-options (which are also checkboxes). If all of the sub-options are checked, the owning checkbox is also checked, and if they're all unchecked, the owning checkbox is unchecked. If any one or more of the sub-options have a different state than the others, the owning checkbox is in the indeterminate state.</p> <p>This can be seen in the below example (thanks to <a href="https://css-tricks.com/indeterminate-checkboxes/" class="external" target="_blank">CSS Tricks</a> for the inspiration). In this example we keep track of the ingredients we are collecting for a recipe. When you check or uncheck an ingredient's checkbox, a JavaScript function checks the total number of checked ingredients:</p> <ul> <li>If none are checked, the recipe name's checkbox is set to unchecked.</li> <li>If one or two are checked, the recipe name's checkbox is set to <code>indeterminate</code>.</li> <li>If all three are checked, the recipe name's checkbox is set to <code>checked</code>.</li> </ul> <p>So in this case the <code>indeterminate</code> state is used to state that collecting the ingredients has started, but the recipe is not yet complete.</p> <div class="code-example"><div class="example-header"><span class="language-name">js</span></div><pre class="brush: js notranslate"><code>const overall = document.querySelector("#enchantment"); const ingredients = document.querySelectorAll("ul input"); overall.addEventListener("click", (e) => { e.preventDefault(); }); for (const ingredient of ingredients) { ingredient.addEventListener("click", updateDisplay); } function updateDisplay() { let checkedCount = 0; for (const ingredient of ingredients) { if (ingredient.checked) { checkedCount++; } } if (checkedCount === 0) { overall.checked = false; overall.indeterminate = false; } else if (checkedCount === ingredients.length) { overall.checked = true; overall.indeterminate = false; } else { overall.checked = false; overall.indeterminate = true; } } </code></pre></div><iframe width="100%" height="200" src="https://mdn.github.io/learning-area/html/forms/indeterminate-example/index.html" loading="lazy"></iframe></div></section><section aria-labelledby="validation"><h2 id="validation"><a href="#validation">Validation</a></h2><div class="section-content"><p>Checkboxes do support <a href="/en-US/docs/Web/HTML/Constraint_validation">validation</a> (offered to all <a href="/en-US/docs/Web/HTML/Element/input"><code><input></code></a>s). However, most of the <a href="/en-US/docs/Web/API/ValidityState"><code>ValidityState</code></a>s will always be <code>false</code>. If the checkbox has the <a href="/en-US/docs/Web/HTML/Element/input#required"><code>required</code></a> attribute, but is not checked, then <a href="/en-US/docs/Web/API/ValidityState/valueMissing"><code>ValidityState.valueMissing</code></a> will be <code>true</code>.</p></div></section><section aria-labelledby="examples"><h2 id="examples"><a href="#examples">Examples</a></h2><div class="section-content"><p>The following example is an extended version of the "multiple checkboxes" example we saw above — it has more standard options, plus an "other" checkbox that when checked causes a text field to appear to enter a value for the "other" option. This is achieved with a short block of JavaScript. The example includes implicit labels, with the <code><input></code> directly inside the <code><label></code>. The text input, without a visible label, includes the <a href="/en-US/docs/Web/Accessibility/ARIA/Attributes/aria-label"><code>aria-label</code></a> attribute which provides its accessible name. This example also includes some CSS to improve the styling.</p></div></section><section aria-labelledby="html"><h3 id="html"><a href="#html">HTML</a></h3><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><form> <fieldset> <legend>Choose your interests</legend> <div> <label> <input type="checkbox" id="coding" name="interest" value="coding" /> Coding </label> </div> <div> <label> <input type="checkbox" id="music" name="interest" value="music" /> Music </label> </div> <div> <label> <input type="checkbox" id="art" name="interest" value="art" /> Art </label> </div> <div> <label> <input type="checkbox" id="sports" name="interest" value="sports" /> Sports </label> </div> <div> <label> <input type="checkbox" id="cooking" name="interest" value="cooking" /> Cooking </label> </div> <div> <label> <input type="checkbox" id="other" name="interest" value="other" /> Other </label> <input type="text" id="otherValue" name="other" aria-label="Other interest" /> </div> <div> <button type="submit">Submit form</button> </div> </fieldset> </form> </code></pre></div></div></section><section aria-labelledby="css"><h3 id="css"><a href="#css">CSS</a></h3><div class="section-content"><div class="code-example"><div class="example-header"><span class="language-name">css</span></div><pre class="brush: css notranslate"><code>html { font-family: sans-serif; } form { width: 600px; margin: 0 auto; } div { margin-bottom: 10px; } fieldset { background: cyan; border: 5px solid blue; } legend { padding: 10px; background: blue; color: cyan; } </code></pre></div></div></section><section aria-labelledby="javascript"><h3 id="javascript"><a href="#javascript">JavaScript</a></h3><div class="section-content"><div class="code-example"><div class="example-header"><span class="language-name">js</span></div><pre class="brush: js notranslate"><code>const otherCheckbox = document.querySelector("#other"); const otherText = document.querySelector("#otherValue"); otherText.style.visibility = "hidden"; otherCheckbox.addEventListener("change", () => { if (otherCheckbox.checked) { otherText.style.visibility = "visible"; otherText.value = ""; } else { otherText.style.visibility = "hidden"; } }); </code></pre></div><div class="code-example"><div class="example-header"></div><iframe class="sample-code-frame" title="Examples sample" id="frame_examples" width="100%" height="300" src="about:blank" data-live-path="/en-US/docs/Web/HTML/Element/input/checkbox" data-live-id="examples" 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> <td><strong><a href="#value">Value</a></strong></td> <td> A string representing the value of the checkbox. </td> </tr> <tr> <td><strong>Events</strong></td> <td><a href="/en-US/docs/Web/API/HTMLElement/change_event" title="change"><code>change</code></a> and <a href="/en-US/docs/Web/API/Element/input_event" title="input"><code>input</code></a></td> </tr> <tr> <td><strong>Supported common attributes</strong></td> <td><code><a href="#checked">checked</a></code></td> </tr> <tr> <td><strong>IDL attributes</strong></td> <td> <code><a href="/en-US/docs/Web/API/HTMLInputElement/checked">checked</a></code>, <code><a href="/en-US/docs/Web/API/HTMLInputElement/indeterminate">indeterminate</a></code> and <code><a href="/en-US/docs/Web/API/HTMLInputElement/value">value</a></code> </td> </tr> <tr> <td><strong>DOM interface</strong></td> <td> <p><a href="/en-US/docs/Web/API/HTMLInputElement"><code>HTMLInputElement</code></a></p> </td> </tr> <tr> <td><strong>Methods</strong></td> <td><a href="/en-US/docs/Web/API/HTMLInputElement/select" title="select()"><code>select()</code></a></td> </tr> <tr> <td><strong>Implicit ARIA Role</strong></td> <td><a href="/en-US/docs/Web/Accessibility/ARIA/Roles/checkbox_role"><code>checkbox</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/input.html#checkbox-state-(type=checkbox)">HTML Standard <br/><small># checkbox-state-(type=checkbox)</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><a href="/en-US/docs/Web/CSS/:checked"><code>:checked</code></a>, <a href="/en-US/docs/Web/CSS/:indeterminate"><code>:indeterminate</code></a>: CSS selectors that let you style checkboxes based on their current state</li> <li><a href="/en-US/docs/Web/API/HTMLInputElement"><code>HTMLInputElement</code></a>: HTML DOM API that implements the <code><input></code> element</li> <li><a href="/en-US/docs/Learn/Forms/Property_compatibility_table_for_form_controls">CSS property compatibility table for form controls</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 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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" 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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/input/checkbox","doc":{"isMarkdown":true,"isTranslated":false,"isActive":true,"flaws":{},"title":"<input type=\"checkbox\">","mdn_url":"/en-US/docs/Web/HTML/Element/input/checkbox","locale":"en-US","native":"English (US)","browserCompat":["html.elements.input.type_checkbox"],"baseline":{"baseline":"high","baseline_high_date":"2018-01-29","baseline_low_date":"2015-07-29","support":{"chrome":"1","chrome_android":"18","edge":"12","firefox":"3.6","firefox_android":"4","safari":"3","safari_ios":"1"}},"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>\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><a href=\"/en-US/docs/Web/HTML/Element/bdo\"><code><bdo></code></a></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 open=\"\">\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><em><a href=\"/en-US/docs/Web/HTML/Element/input/checkbox\" aria-current=\"page\"><code><input type=\"checkbox\"></code></a></em></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><a href=\"/en-US/docs/Web/HTML/Element/input\"><code><input></code></a> elements of type <strong><code>checkbox</code></strong> are rendered by default as boxes that are checked (ticked) when activated, like you might see in an official government paper form. The exact appearance depends upon the operating system configuration under which the browser is running. Generally this is a square but it may have rounded corners. A checkbox allows you to select single values for submission in a form (or not).</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/input-checkbox.html\" title=\"MDN Web Docs Interactive Example\" allow=\"clipboard-write\" loading=\"lazy\"></iframe>\n<div class=\"notecard note\">\n <p><strong>Note:</strong> <a href=\"/en-US/docs/Web/HTML/Element/input/radio\">Radio buttons</a> are similar to checkboxes, but with an important distinction — <a href=\"/en-US/docs/Web/HTML/Element/input/radio#defining_a_radio_group\">same-named radio buttons</a> are grouped into a set in which only one radio button can be selected at a time, whereas checkboxes allow you to turn single values on and off. Where multiple same-named controls exist, radio buttons allow one to be selected out of them all, whereas checkboxes allow multiple values to be selected.</p>\n</div>"}},{"type":"prose","value":{"id":"value","title":"Value","isH3":false,"content":"<p>A string representing the value of the checkbox. This is not displayed on the client-side, but on the server this is the <code>value</code> given to the data submitted with the checkbox's <code>name</code>. Take the following example:</p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><form>\n <div>\n <input\n type=\"checkbox\"\n id=\"subscribeNews\"\n name=\"subscribe\"\n value=\"newsletter\" />\n <label for=\"subscribeNews\">Subscribe to newsletter?</label>\n </div>\n <div>\n <button type=\"submit\">Subscribe</button>\n </div>\n</form>\n</code></pre></div>\n<p>In this example, we've got a name of <code>subscribe</code>, and a value of <code>newsletter</code>. When the form is submitted, the data name/value pair will be <code>subscribe=newsletter</code>.</p>\n<p>If the <code>value</code> attribute was omitted, the default value for the checkbox is <code>on</code>, so the submitted data in that case would be <code>subscribe=on</code>.</p>\n<div class=\"notecard note\">\n <p><strong>Note:</strong> If a checkbox is unchecked when its form is submitted, neither the name nor the value is submitted to the server. There is no HTML-only method of representing a checkbox's unchecked state (e.g. <code>value=unchecked</code>). If you wanted to submit a default value for the checkbox when it is unchecked, you could include JavaScript to create a <a href=\"/en-US/docs/Web/HTML/Element/input/hidden\"><input type=\"hidden\"></a> within the form with a value indicating an unchecked state.</p>\n</div>"}},{"type":"prose","value":{"id":"additional_attributes","title":"Additional attributes","isH3":false,"content":"<p>In addition to the <a href=\"/en-US/docs/Web/HTML/Element/input#attributes\">common attributes</a> shared by all <a href=\"/en-US/docs/Web/HTML/Element/input\"><code><input></code></a> elements, <code>checkbox</code> inputs support the following attributes.</p>\n<dl>\n <dt id=\"checked\"><a href=\"#checked\"><code>checked</code></a></dt>\n <dd>\n <p>A <a href=\"/en-US/docs/Glossary/Boolean/HTML\">boolean</a> attribute indicating whether this checkbox is checked by default (when the page loads). It does <em>not</em> indicate whether this checkbox is currently checked: if the checkbox's state is changed, this content attribute does not reflect the change. (Only the <a href=\"/en-US/docs/Web/API/HTMLInputElement\"><code>HTMLInputElement</code></a>'s <code>checked</code> IDL attribute is updated.)</p>\n <div class=\"notecard note\">\n <p>\n <strong>Note:</strong> Unlike other input controls, a checkbox's value is only included in the submitted data if the checkbox is currently <code>checked</code>. If it is, then the value of the checkbox's <code>value</code> attribute is reported as the input's value, or <code>on</code> if no <code>value</code> is set.\n Unlike other browsers, Firefox by default <a href=\"https://stackoverflow.com/questions/5985839/bug-with-firefox-disabled-attribute-of-input-not-resetting-when-refreshing\" class=\"external\" target=\"_blank\">persists the dynamic checked state</a> of an <code><input></code> across page loads. Use the <a href=\"/en-US/docs/Web/HTML/Element/input#autocomplete\"><code>autocomplete</code></a> attribute to control this feature.\n </p>\n </div>\n </dd>\n <dt id=\"value_2\"><a href=\"#value_2\"><code>value</code></a></dt>\n <dd>\n <p>The <code>value</code> attribute is one which all <a href=\"/en-US/docs/Web/HTML/Element/input\"><code><input></code></a>s share; however, it serves a special purpose for inputs of type <code>checkbox</code>: when a form is submitted, only checkboxes which are currently checked are submitted to the server, and the reported value is the value of the <code>value</code> attribute. If the <code>value</code> is not otherwise specified, it is the string <code>on</code> by default. This is demonstrated in the section <a href=\"#value\">Value</a> above.</p>\n </dd>\n</dl>"}},{"type":"prose","value":{"id":"using_checkbox_inputs","title":"Using checkbox inputs","isH3":false,"content":"<p>We already covered the most basic use of checkboxes above. Let's now look at the other common checkbox-related features and techniques you'll need.</p>"}},{"type":"prose","value":{"id":"handling_multiple_checkboxes","title":"Handling multiple checkboxes","isH3":true,"content":"<p>The example we saw above only contained one checkbox; in real-world situations you'll be likely to encounter multiple checkboxes. If they are completely unrelated, then you can just deal with them all separately, as shown above. However, if they're all related, things are not quite so simple.</p>\n<p>For example, in the following demo we include multiple checkboxes to allow the user to select their interests (see the full version in the <a href=\"#examples\">Examples</a> section).</p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><fieldset>\n <legend>Choose your interests</legend>\n <div>\n <input type=\"checkbox\" id=\"coding\" name=\"interest\" value=\"coding\" />\n <label for=\"coding\">Coding</label>\n </div>\n <div>\n <input type=\"checkbox\" id=\"music\" name=\"interest\" value=\"music\" />\n <label for=\"music\">Music</label>\n </div>\n</fieldset>\n</code></pre></div><div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"Handling multiple checkboxes sample\" id=\"frame_handling_multiple_checkboxes\" width=\"600\" height=\"100\" src=\"about:blank\" data-live-path=\"/en-US/docs/Web/HTML/Element/input/checkbox\" data-live-id=\"handling_multiple_checkboxes\" sandbox=\"allow-same-origin allow-scripts\" loading=\"lazy\"></iframe></div>\n<p>In this example you will see that we've given each checkbox the same <code>name</code>. If both checkboxes are checked and then the form is submitted, you'll get a string of name/value pairs submitted like this: <code>interest=coding&interest=music</code>. When this string reaches the server, you need to parse it other than as an associative array, so all values, not only the last value, of <code>interest</code> are captured. For one technique used with Python, see <a href=\"https://stackoverflow.com/questions/18745456/handle-multiple-checkboxes-with-a-single-serverside-variable\" class=\"external\" target=\"_blank\">Handle Multiple Checkboxes with a Single Serverside Variable</a>, for example.</p>"}},{"type":"prose","value":{"id":"checking_boxes_by_default","title":"Checking boxes by default","isH3":true,"content":"<p>To make a checkbox checked by default, you give it the <code>checked</code> attribute. See the below example:</p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><fieldset>\n <legend>Choose your interests</legend>\n <div>\n <input type=\"checkbox\" id=\"coding\" name=\"interest\" value=\"coding\" checked />\n <label for=\"coding\">Coding</label>\n </div>\n <div>\n <input type=\"checkbox\" id=\"music\" name=\"interest\" value=\"music\" />\n <label for=\"music\">Music</label>\n </div>\n</fieldset>\n</code></pre></div><div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"Checking boxes by default sample\" id=\"frame_checking_boxes_by_default\" width=\"600\" height=\"100\" src=\"about:blank\" data-live-path=\"/en-US/docs/Web/HTML/Element/input/checkbox\" data-live-id=\"checking_boxes_by_default\" sandbox=\"allow-same-origin allow-scripts\" loading=\"lazy\"></iframe></div>"}},{"type":"prose","value":{"id":"providing_a_bigger_hit_area_for_your_checkboxes","title":"Providing a bigger hit area for your checkboxes","isH3":true,"content":"<p>In the above examples, you may have noticed that you can toggle a checkbox by clicking on its associated <a href=\"/en-US/docs/Web/HTML/Element/label\"><code><label></code></a> element as well as on the checkbox itself. This is a really useful feature of HTML form labels that makes it easier to click the option you want, especially on small-screen devices like smartphones.</p>\n<p>Beyond accessibility, this is another good reason to properly set up <code><label></code> elements on your forms.</p>"}},{"type":"prose","value":{"id":"indeterminate_state_checkboxes","title":"Indeterminate state checkboxes","isH3":true,"content":"<p>A checkbox can be in an <strong>indeterminate</strong> state. This is set using the <a href=\"/en-US/docs/Web/API/HTMLInputElement\"><code>HTMLInputElement</code></a> object's <a href=\"/en-US/docs/Web/API/HTMLInputElement/indeterminate\"><code>indeterminate</code></a> property via JavaScript (it cannot be set using an HTML attribute):</p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">js</span></div><pre class=\"brush: js notranslate\"><code>inputInstance.indeterminate = true;\n</code></pre></div>\n<p>When <code>indeterminate</code> is <code>true</code>, the checkbox has a horizontal line in the box (it looks somewhat like a hyphen or minus sign) instead of a check/tick in most browsers.</p>\n<div class=\"notecard note\">\n <p><strong>Note:</strong> This is purely a visual change. It has no impact on whether the checkbox's <code>value</code> is used in a form submission. That is decided by the <code>checked</code> state, regardless of the <code>indeterminate</code> state.</p>\n</div>\n<p>There are not many use cases for this property. The most common is when a checkbox is available that \"owns\" a number of sub-options (which are also checkboxes). If all of the sub-options are checked, the owning checkbox is also checked, and if they're all unchecked, the owning checkbox is unchecked. If any one or more of the sub-options have a different state than the others, the owning checkbox is in the indeterminate state.</p>\n<p>This can be seen in the below example (thanks to <a href=\"https://css-tricks.com/indeterminate-checkboxes/\" class=\"external\" target=\"_blank\">CSS Tricks</a> for the inspiration). In this example we keep track of the ingredients we are collecting for a recipe. When you check or uncheck an ingredient's checkbox, a JavaScript function checks the total number of checked ingredients:</p>\n<ul>\n <li>If none are checked, the recipe name's checkbox is set to unchecked.</li>\n <li>If one or two are checked, the recipe name's checkbox is set to <code>indeterminate</code>.</li>\n <li>If all three are checked, the recipe name's checkbox is set to <code>checked</code>.</li>\n</ul>\n<p>So in this case the <code>indeterminate</code> state is used to state that collecting the ingredients has started, but the recipe is not yet complete.</p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">js</span></div><pre class=\"brush: js notranslate\"><code>const overall = document.querySelector(\"#enchantment\");\nconst ingredients = document.querySelectorAll(\"ul input\");\n\noverall.addEventListener(\"click\", (e) => {\n e.preventDefault();\n});\n\nfor (const ingredient of ingredients) {\n ingredient.addEventListener(\"click\", updateDisplay);\n}\n\nfunction updateDisplay() {\n let checkedCount = 0;\n for (const ingredient of ingredients) {\n if (ingredient.checked) {\n checkedCount++;\n }\n }\n\n if (checkedCount === 0) {\n overall.checked = false;\n overall.indeterminate = false;\n } else if (checkedCount === ingredients.length) {\n overall.checked = true;\n overall.indeterminate = false;\n } else {\n overall.checked = false;\n overall.indeterminate = true;\n }\n}\n</code></pre></div><iframe width=\"100%\" height=\"200\" src=\"https://mdn.github.io/learning-area/html/forms/indeterminate-example/index.html\" loading=\"lazy\"></iframe>"}},{"type":"prose","value":{"id":"validation","title":"Validation","isH3":false,"content":"<p>Checkboxes do support <a href=\"/en-US/docs/Web/HTML/Constraint_validation\">validation</a> (offered to all <a href=\"/en-US/docs/Web/HTML/Element/input\"><code><input></code></a>s). However, most of the <a href=\"/en-US/docs/Web/API/ValidityState\"><code>ValidityState</code></a>s will always be <code>false</code>. If the checkbox has the <a href=\"/en-US/docs/Web/HTML/Element/input#required\"><code>required</code></a> attribute, but is not checked, then <a href=\"/en-US/docs/Web/API/ValidityState/valueMissing\"><code>ValidityState.valueMissing</code></a> will be <code>true</code>.</p>"}},{"type":"prose","value":{"id":"examples","title":"Examples","isH3":false,"content":"<p>The following example is an extended version of the \"multiple checkboxes\" example we saw above — it has more standard options, plus an \"other\" checkbox that when checked causes a text field to appear to enter a value for the \"other\" option. This is achieved with a short block of JavaScript. The example includes implicit labels, with the <code><input></code> directly inside the <code><label></code>. The text input, without a visible label, includes the <a href=\"/en-US/docs/Web/Accessibility/ARIA/Attributes/aria-label\"><code>aria-label</code></a> attribute which provides its accessible name. This example also includes some CSS to improve the styling.</p>"}},{"type":"prose","value":{"id":"html","title":"HTML","isH3":true,"content":"<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><form>\n <fieldset>\n <legend>Choose your interests</legend>\n <div>\n <label>\n <input type=\"checkbox\" id=\"coding\" name=\"interest\" value=\"coding\" />\n Coding\n </label>\n </div>\n <div>\n <label>\n <input type=\"checkbox\" id=\"music\" name=\"interest\" value=\"music\" />\n Music\n </label>\n </div>\n <div>\n <label>\n <input type=\"checkbox\" id=\"art\" name=\"interest\" value=\"art\" />\n Art\n </label>\n </div>\n <div>\n <label>\n <input type=\"checkbox\" id=\"sports\" name=\"interest\" value=\"sports\" />\n Sports\n </label>\n </div>\n <div>\n <label>\n <input type=\"checkbox\" id=\"cooking\" name=\"interest\" value=\"cooking\" />\n Cooking\n </label>\n </div>\n <div>\n <label>\n <input type=\"checkbox\" id=\"other\" name=\"interest\" value=\"other\" />\n Other\n </label>\n <input\n type=\"text\"\n id=\"otherValue\"\n name=\"other\"\n aria-label=\"Other interest\" />\n </div>\n <div>\n <button type=\"submit\">Submit form</button>\n </div>\n </fieldset>\n</form>\n</code></pre></div>"}},{"type":"prose","value":{"id":"css","title":"CSS","isH3":true,"content":"<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">css</span></div><pre class=\"brush: css notranslate\"><code>html {\n font-family: sans-serif;\n}\n\nform {\n width: 600px;\n margin: 0 auto;\n}\n\ndiv {\n margin-bottom: 10px;\n}\n\nfieldset {\n background: cyan;\n border: 5px solid blue;\n}\n\nlegend {\n padding: 10px;\n background: blue;\n color: cyan;\n}\n</code></pre></div>"}},{"type":"prose","value":{"id":"javascript","title":"JavaScript","isH3":true,"content":"<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">js</span></div><pre class=\"brush: js notranslate\"><code>const otherCheckbox = document.querySelector(\"#other\");\nconst otherText = document.querySelector(\"#otherValue\");\notherText.style.visibility = \"hidden\";\n\notherCheckbox.addEventListener(\"change\", () => {\n if (otherCheckbox.checked) {\n otherText.style.visibility = \"visible\";\n otherText.value = \"\";\n } else {\n otherText.style.visibility = \"hidden\";\n }\n});\n</code></pre></div><div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"Examples sample\" id=\"frame_examples\" width=\"100%\" height=\"300\" src=\"about:blank\" data-live-path=\"/en-US/docs/Web/HTML/Element/input/checkbox\" data-live-id=\"examples\" 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 <td><strong><a href=\"#value\">Value</a></strong></td>\n <td>\n A string representing the value of the\n checkbox.\n </td>\n </tr>\n <tr>\n <td><strong>Events</strong></td>\n <td><a href=\"/en-US/docs/Web/API/HTMLElement/change_event\" title=\"change\"><code>change</code></a> and <a href=\"/en-US/docs/Web/API/Element/input_event\" title=\"input\"><code>input</code></a></td>\n </tr>\n <tr>\n <td><strong>Supported common attributes</strong></td>\n <td><code><a href=\"#checked\">checked</a></code></td>\n </tr>\n <tr>\n <td><strong>IDL attributes</strong></td>\n <td>\n <code><a href=\"/en-US/docs/Web/API/HTMLInputElement/checked\">checked</a></code>,\n <code><a href=\"/en-US/docs/Web/API/HTMLInputElement/indeterminate\">indeterminate</a></code> and\n <code><a href=\"/en-US/docs/Web/API/HTMLInputElement/value\">value</a></code>\n </td>\n </tr>\n <tr>\n <td><strong>DOM interface</strong></td>\n <td>\n <p><a href=\"/en-US/docs/Web/API/HTMLInputElement\"><code>HTMLInputElement</code></a></p>\n </td>\n </tr>\n <tr>\n <td><strong>Methods</strong></td>\n <td><a href=\"/en-US/docs/Web/API/HTMLInputElement/select\" title=\"select()\"><code>select()</code></a></td>\n </tr>\n <tr>\n <td><strong>Implicit ARIA Role</strong></td>\n <td><a href=\"/en-US/docs/Web/Accessibility/ARIA/Roles/checkbox_role\"><code>checkbox</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/input.html#checkbox-state-(type=checkbox)","title":"HTML Standard"}],"query":"html.elements.input.type_checkbox"}},{"type":"browser_compatibility","value":{"title":"Browser compatibility","id":"browser_compatibility","isH3":false,"query":"html.elements.input.type_checkbox"}},{"type":"prose","value":{"id":"see_also","title":"See also","isH3":false,"content":"<ul>\n <li><a href=\"/en-US/docs/Web/CSS/:checked\"><code>:checked</code></a>, <a href=\"/en-US/docs/Web/CSS/:indeterminate\"><code>:indeterminate</code></a>: CSS selectors that let you style checkboxes based on their current state</li>\n <li><a href=\"/en-US/docs/Web/API/HTMLInputElement\"><code>HTMLInputElement</code></a>: HTML DOM API that implements the <code><input></code> element</li>\n <li><a href=\"/en-US/docs/Learn/Forms/Property_compatibility_table_for_form_controls\">CSS property compatibility table for form controls</a></li>\n</ul>"}}],"toc":[{"text":"Try it","id":"try_it"},{"text":"Value","id":"value"},{"text":"Additional attributes","id":"additional_attributes"},{"text":"Using checkbox inputs","id":"using_checkbox_inputs"},{"text":"Validation","id":"validation"},{"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":"<input> elements of type checkbox are rendered by default as boxes that are checked (ticked) when activated, like you might see in an official government paper form. The exact appearance depends upon the operating system configuration under which the browser is running. Generally this is a square but it may have rounded corners. A checkbox allows you to select single values for submission in a form (or not).","popularity":0.0157,"modified":"2024-11-21T09:46:19.000Z","other_translations":[{"locale":"de","title":"<input type=\"checkbox\">","native":"Deutsch"},{"locale":"es","title":"<input type=\"checkbox\">","native":"Español"},{"locale":"fr","title":"<input type=\"checkbox\">","native":"Français"},{"locale":"ja","title":"<input type=\"checkbox\">","native":"日本語"},{"locale":"ko","title":"<input type=\"checkbox\">","native":"한국어"},{"locale":"pt-BR","title":"<input type=\"checkbox\">","native":"Português (do Brasil)"},{"locale":"zh-CN","title":"<input type=\"checkbox\">","native":"中文 (简体)"}],"pageType":"html-element","source":{"folder":"en-us/web/html/element/input/checkbox","github_url":"https://github.com/mdn/content/blob/main/files/en-us/web/html/element/input/checkbox/index.md","last_commit_url":"https://github.com/mdn/content/commit/f10015d1752d5668d8fe0de29f9d9807de475d58","filename":"index.md"},"short_title":"<input type=\"checkbox\">","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/input","title":"<input>"},{"uri":"/en-US/docs/Web/HTML/Element/input/checkbox","title":"<input type=\"checkbox\">"}],"pageTitle":"<input type=\"checkbox\"> - HTML: HyperText Markup Language | MDN","noIndexing":false}}</script></body></html>