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<!DOCTYPE html>
<meta charset=utf-8>
<title>The All-In-One Almost-Alphabetical No-Bullshit Guide to Detecting Everything - Dive Into HTML5</title>
<!--[if lt IE 9]><script src=j/html5.js></script><![endif]-->
<link rel=alternate type=application/atom+xml href=https://github.com/diveintomark/diveintohtml5/commits/master.atom>
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<style>
h1:before{content:"Appendix A:"}
dd{padding-bottom:1.75em}
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a.hl:link,a.hl:visited{color:#fff;padding-left:0.1em;text-decoration:none;border:0}
dt:hover a.hl{background:transparent;color:silver}
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<p>You are here: <a href=index.html>Home</a> <span class=u>‣</span> <a href=table-of-contents.html#everything>Dive Into <abbr>HTML5</abbr></a> <span class=u>‣</span>
<h1><br>The All-In-One<br>Almost-Alphabetical<br>No-Bullshit Guide to<br>Detecting Everything</h1>
<p class=a>❧
<p>(Confused? Read <a href=detect.html>Detecting <abbr>HTML5</abbr> Features</a> for a conceptual introduction. Want an all-in-one library instead? Try <a href=http://modernizr.com/>Modernizr</a>.)
<dl>
<dt id=audio><a href="http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#audio"><code><audio></code></a>
<dd><code>return !!document.createElement('audio').canPlayType;</code>
<dt id=audio-mp3><a href=http://en.wikipedia.org/wiki/MP3><code><audio></code> in MP3 format</a>
<dd><pre><code>var a = document.createElement('audio');
return !!(a.canPlayType && a.canPlayType('audio/mpeg;').replace(/no/, ''));</code></pre>
<dt id=audio-vorbis><a href=http://en.wikipedia.org/wiki/Vorbis><code><audio></code> in Vorbis format</a>
<dd><pre><code>var a = document.createElement('audio');
return !!(a.canPlayType && a.canPlayType('audio/ogg; codecs="vorbis"').replace(/no/, ''));</code></pre>
<dt id=audio-wav><a href=http://en.wikipedia.org/wiki/WAV><code><audio></code> in WAV format</a>
<dd><pre><code>var a = document.createElement('audio');
return !!(a.canPlayType && a.canPlayType('audio/wav; codecs="1"').replace(/no/, ''));</code></pre>
<dt id=audio-aac><a href=http://en.wikipedia.org/wiki/Advanced_Audio_Coding><code><audio></code> in AAC format</a>
<dd><pre><code>var a = document.createElement('audio');
return !!(a.canPlayType && a.canPlayType('audio/mp4; codecs="mp4a.40.2"').replace(/no/, ''));</code></pre>
<dt id=canvas><a href=canvas.html><code><canvas></code></a>
<dd><code>return !!document.createElement('canvas').getContext;</code>
<dt id=canvas-text><a href=canvas.html#text><code><canvas></code> text <abbr>API</abbr></a>
<dd><pre><code>var c = document.createElement('canvas');
return c.getContext && typeof c.getContext('2d').fillText == 'function';</code></pre>
<dt id=command><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/interactive-elements.html#the-command><code><command></code></a>
<dd><code>return 'type' in document.createElement('command');</code>
<dt id=datalist><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-button-element.html#the-datalist-element><code><datalist></code></a>
<dd><pre><code>return 'options' in document.createElement('datalist');</code></pre>
<dt id=details><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/interactive-elements.html#the-details-element><code><details></code></a>
<dd><code>return 'open' in document.createElement('details');</code>
<dt id=device><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/commands.html#devices><code><device></code></a>
<dd><code>return 'type' in document.createElement('device');</code>
<dt id=novalidate><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/association-of-controls-and-forms.html#constraints><code><form></code> constraint validation</a>
<dd><code>return 'noValidate' in document.createElement('form');</code>
<dt id=sandbox><a href=http://blog.whatwg.org/whats-next-in-html-episode-2-sandbox><code><iframe sandbox></code></a>
<dd><code>return 'sandbox' in document.createElement('iframe');</code>
<dt id=srcdoc><a href=http://blog.whatwg.org/whats-next-in-html-episode-2-sandbox><code><iframe srcdoc></code></a>
<dd><code>return 'srcdoc' in document.createElement('iframe');</code>
<dt id=autofocus><a href=forms.html#autofocus><code><input autofocus></code></a>
<dd><code>return 'autofocus' in document.createElement('input');</code>
<dt id=placeholder><a href=forms.html#placeholder><code><input placeholder></code></a>
<dd><code>return 'placeholder' in document.createElement('input');</code>
<dt id=placeholder-textarea><a href=forms.html#placeholder><code><textarea placeholder></code></a>
<dd><code>return 'placeholder' in document.createElement('textarea');</code>
<dt id=input-color><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/number-state.html#color-state><code><input type="color"></code></a>
<dd><pre><code>var i = document.createElement('input');
i.setAttribute('type', 'color');
return i.type !== 'text';</code></pre>
<dt id=input-email><a href=forms.html#type-email><code><input type="email"></code></a>
<dd><pre><code>var i = document.createElement('input');
i.setAttribute('type', 'email');
return i.type !== 'text';</code></pre>
<dt id=input-number><a href=forms.html#type-number><code><input type="number"></code></a>
<dd><pre><code>var i = document.createElement('input');
i.setAttribute('type', 'number');
return i.type !== 'text';</code></pre>
<dt id=input-range><a href=forms.html#type-range><code><input type="range"></code></a>
<dd><pre><code>var i = document.createElement('input');
i.setAttribute('type', 'range');
return i.type !== 'text';</code></pre>
<dt id=input-search><a href=forms.html#type-search><code><input type="search"></code></a>
<dd><pre><code>var i = document.createElement('input');
i.setAttribute('type', 'search');
return i.type !== 'text';</code></pre>
<dt id=input-tel><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/states-of-the-type-attribute.html#telephone-state><code><input type="tel"></code></a>
<dd><pre><code>var i = document.createElement('input');
i.setAttribute('type', 'tel');
return i.type !== 'text';</code></pre>
<dt id=input-url><a href=forms.html#type-url><code><input type="url"></code></a>
<dd><pre><code>var i = document.createElement('input');
i.setAttribute('type', 'url');
return i.type !== 'text';</code></pre>
<dt id=input-date><a href=forms.html#date><code><input type="date"></code></a>
<dd><pre><code>var i = document.createElement('input');
i.setAttribute('type', 'date');
return i.type !== 'text';</code></pre>
<dt id=input-time><a href=forms.html#date><code><input type="time"></code></a>
<dd><pre><code>var i = document.createElement('input');
i.setAttribute('type', 'time');
return i.type !== 'text';</code></pre>
<dt id=input-datetime><a href=forms.html#date><code><input type="datetime"></code></a>
<dd><pre><code>var i = document.createElement('input');
i.setAttribute('type', 'datetime');
return i.type !== 'text';</code></pre>
<dt id=input-datetime-local><a href=forms.html#date><code><input type="datetime-local"></code></a>
<dd><pre><code>var i = document.createElement('input');
i.setAttribute('type', 'datetime-local);
return i.type !== 'text';</code></pre>
<dt id=input-month><a href=forms.html#date><code><input type="month"></code></a>
<dd><pre><code>var i = document.createElement('input');
i.setAttribute('type', 'month');
return i.type !== 'text';</code></pre>
<dt id=input-week><a href=forms.html#date><code><input type="week"></code></a>
<dd><pre><code>var i = document.createElement('input');
i.setAttribute('type', 'week');
return i.type !== 'text';</code></pre>
<dt id=meter><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-button-element.html#the-meter-element><code><meter></code></a>
<dd><code>return 'value' in document.createElement('meter');</code>
<dt id=output><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-button-element.html#the-output-element><code><output></code></a>
<dd><code>return 'value' in document.createElement('output');</code>
<dt id=progress><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-button-element.html#the-progress-element><code><progress></code></a>
<dd><code>return 'value' in document.createElement('progress');</code>
<dt id=time><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/text-level-semantics.html#the-time-element><code><time></code></a>
<dd><code>return 'valueAsDate' in document.createElement('time');</code>
<dt id=video><a href=video.html><code><video></code></a>
<dd><code>return !!document.createElement('video').canPlayType;</code>
<dt id=video-captions><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#websrt><code><video></code> captions</a>
<dd><code>return 'src' in document.createElement('track');</code>
<dt id=video-poster><a href="http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#attr-video-poster"><code><video poster></code></a>
<dd><code>return 'poster' in document.createElement('video');</code>
<dt id=video-webm><a href=http://www.webmproject.org/><code><video></code> in WebM format</a>
<dd><pre><code>var v = document.createElement('video');
return !!(v.canPlayType && v.canPlayType('video/webm; codecs="vp8, vorbis"').replace(/no/, ''));</code></pre>
<dt id=video-h264><a href=video.html#h264><code><video></code> in H.264 format</a>
<dd><pre><code>var v = document.createElement('video');
return !!(v.canPlayType && v.canPlayType('video/mp4; codecs="avc1.42E01E, mp4a.40.2"').replace(/no/, ''));</code></pre>
<dt id=video-theora><a href=video.html#theora><code><video></code> in Theora format</a>
<dd><pre><code>var v = document.createElement('video');
return !!(v.canPlayType && v.canPlayType('video/ogg; codecs="theora"').replace(/no/, ''));</code></pre>
<dt id=contenteditable><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/editing.html#contenteditable><code>contentEditable</code></a>
<dd><code>return 'isContentEditable' in document.createElement('span');</code>
<dt id=postmessage><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/comms.html#web-messaging>Cross-document messaging</a>
<dd><code>return !!window.postMessage;</code>
<dt id=dnd><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/dnd.html#dnd>Drag-and-drop</a>
<dd><code>return 'draggable' in document.createElement('span');</code>
<dt id=filereader><a href=http://dev.w3.org/2006/webapi/FileAPI/>File <abbr>API</abbr></a>
<dd><code>return typeof FileReader != 'undefined';</code>
<dt id=geolocation><a href=geolocation.html>Geolocation</a>
<dd><code>return !!navigator.geolocation;</code>
<dt id=history><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/history.html#the-history-interface>History</a>
<dd><code>return !!(window.history && window.history.pushState);</code>
<dt id=storage><a href=http://dev.w3.org/html5/webstorage/>Local storage</a>
<dd><pre><code>try {
return 'localStorage' in window && window['localStorage'] !== null;
} catch(e) {
return false;
}</code></pre>
<dt id=microdata><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/links.html#microdata-dom-api>Microdata</a>
<dd><code>return !!document.getItems;</code>
<dt id=offline><a href=offline.html>Offline web applications</a>
<dd><code>return !!window.applicationCache;</code>
<dt id=eventsource><a href=http://dev.w3.org/html5/eventsource/>Server-sent events</a>
<dd><code>return typeof EventSource !== 'undefined';</code>
<dt id=session-storage><a href=http://dev.w3.org/html5/webstorage/>Session storage</a>
<dd><pre><code>try {
return 'sessionStorage' in window && window['sessionStorage'] !== null;
} catch(e) {
return false;
}</code></pre>
<dt id=svg><a href=http://www.w3.org/TR/SVG/><abbr>SVG</abbr></a>
<dd><code>return !!(document.createElementNS && document.createElementNS('http://www.w3.org/2000/svg', 'svg').createSVGRect);</code>
<dt id=inline-svg><a href=http://hacks.mozilla.org/2010/05/firefox-4-the-html5-parser-inline-svg-speed-and-more/><abbr>SVG</abbr> in <code>text/html</code></a>
<dd><pre><code>var e = document.createElement('div');
e.innerHTML = '<svg></svg>';
return !!(window.SVGSVGElement && e.firstChild instanceof window.SVGSVGElement);</code></pre>
<dt id=undo><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/dnd.html#undo>Undo</a>
<dd><code>return typeof UndoManager !== 'undefined';</code>
<dt id=indexeddb><a href=http://www.w3.org/TR/IndexedDB/>IndexedDB</a>
<dd><code>return !!window.indexedDB;</code>
<dt id=websockets><a href=http://dev.w3.org/html5/websockets/>Web Sockets</a>
<dd><code>return !!window.WebSocket;</code>
<dt id=websql><a href=http://dev.w3.org/html5/webdatabase/>Web SQL Database</a>
<dd><code>return !!window.openDatabase;</code>
<dt id=workers><a href=http://www.whatwg.org/specs/web-workers/current-work/>Web Workers</a>
<dd><code>return !!window.Worker;</code>
<dt id=widgets><a href=http://www.w3.org/TR/widgets/>Widgets</a>: am I in one?
<dd><code>return typeof widget !== 'undefined';</code>
<dt id=xmlhttprequest-withcredentials><a href=http://www.w3.org/TR/XMLHttpRequest2/#the-withcredentials-attribute>XMLHttpRequest: cross-domain requests</a>
<dd><code>return "withCredentials" in new XMLHttpRequest;</code>
<dt id=xmlhttprequest-formdata><a href=http://www.w3.org/TR/XMLHttpRequest2/#the-formdata-interface>XMLHttpRequest: send as form data</a>
<dd><code>return !!window.FormData;</code>
<dt id=xmlhttprequest-upload><a href=http://www.w3.org/TR/XMLHttpRequest2/#the-upload-attribute>XMLHttpRequest: upload progress events</a>
<dd><code>return "upload" in new XMLHttpRequest;</code>
</dl>
<p class=a>❧
<h2 id=further-reading>Further Reading</h2>
<p>Specifications and standards:
<ul>
<li><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/><abbr>HTML5</abbr></a>
<li><a href=http://www.w3.org/TR/geolocation-API/>Geolocation</a>
<li><a href=http://dev.w3.org/html5/eventsource/>Server-Sent Events</a>
<li><a href=http://dev.w3.org/2006/webapi/WebSimpleDB/>WebSimpleDB</a>
<li><a href=http://dev.w3.org/html5/websockets/>Web Sockets</a>
<li><a href=http://dev.w3.org/html5/webdatabase/>Web SQL Database</a>
<li><a href=http://dev.w3.org/html5/webstorage/>Web Storage</a>
<li><a href=http://www.whatwg.org/specs/web-workers/current-work/>Web Workers</a>
<li><a href=http://www.w3.org/TR/widgets/>Widgets</a>
<li><a href=http://www.w3.org/TR/XMLHttpRequest2/>XMLHttpRequest Level 2</a>
</ul>
<p>JavaScript libraries:
<ul>
<li><a href=http://www.modernizr.com/>Modernizr</a>, an <abbr>HTML5</abbr> detection library
</ul>
<p class=a>❧
<p>This has been “The All-In-One Almost-Alphabetical No-Bullshit Guide to Detecting Everything.” The <a href=table-of-contents.html>full table of contents</a> has more if you’d like to keep reading.
<div class=pf>
<h4>Did You Know?</h4>
<div class=moneybags>
<blockquote><p>In association with Google Press, O’Reilly is distributing this book in a variety of formats, including paper, ePub, Mobi, and <abbr>DRM</abbr>-free <abbr>PDF</abbr>. The paid edition is called “HTML5: Up & Running,” and it is available now. This appendix is included in the paid edition.
<p>If you liked this appendix and want to show your appreciation, you can <a href="http://www.amazon.com/HTML5-Up-Running-Mark-Pilgrim/dp/0596806027?ie=UTF8&tag=diveintomark-20&creativeASIN=0596806027">buy “HTML5: Up & Running” with this affiliate link</a> or <a href=http://oreilly.com/catalog/9780596806033>buy an electronic edition directly from O’Reilly</a>. You’ll get a book, and I’ll get a buck. I do not currently accept direct donations.
</blockquote>
</div>
</div>
<p class=c>Copyright MMIX–MMXI <a href=about.html>Mark Pilgrim</a>
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