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peeks-pokes-and-pointers.html
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<!DOCTYPE html>
<html lang=pt-br>
<meta charset=utf-8>
<title>HTML5 Espiadas, Cutucadas e Apontadores</title>
<link rel=alternate href=http://diveintohtml5.info/peeks-pokes-and-pointers.html hreflang=en>
<style>
html,body,div,span,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,abbr,address,cite,code,del,dfn,em,img,ins,kbd,q,samp,small,strong,sub,sup,var,b,i,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,figure,footer,header,hgroup,menu,nav,section,menu,time,mark,audio,video{margin:0;padding:0;border:0;outline:0;font-size:100%;vertical-align:baseline;background:transparent}
article,aside,figure,footer,header,hgroup,nav,section{display:block}
nav ul{list-style:none}
blockquote,q{quotes:none}
blockquote:before,blockquote:after,q:before,q:after{content:'';content:none}
a{margin:0;padding:0;font-size:100%;vertical-align:baseline;background:transparent}
ins{background-color:#ff9;color:#000;text-decoration:none}
mark{background-color:#ff9;color:#000;font-style:italic;font-weight:bold}
del{text-decoration:line-through}
abbr[title],dfn[title]{border-bottom:1px dotted #000;cursor:help}
table{border-collapse:collapse;border-spacing:0}
hr{display:block;height:1px;border:0;border-top:1px solid #ccc;margin:1em 0;padding:0}
input,select{vertical-align:middle}
@font-face{
font-family:'ChunkFiveRegular';
src:url('f/chunk-webfont.eot');
src:local('☺'),url('f/chunk-webfont.woff') format('woff'),url('f/chunk-webfont.ttf') format('truetype'),url('f/chunk-webfont.svg#webfontp2unCWQ0') format('svg');
font-weight:normal;
font-style:normal;
}
@font-face {
font-family: 'LatinModernRoman10Regular';
src: url('f/lmroman10-regular-webfont.eot');
src: local('☺'), url('f/lmroman10-regular-webfont.woff') format('woff'), url('f/lmroman10-regular-webfont.ttf') format('truetype'), url('f/lmroman10-regular-webfont.svg#webfontg3VAmqr8') format('svg');
font-weight: normal;
font-style: normal;
}
@font-face {
font-family: 'LatinModernRomanSlanted10Regu';
src: url('f/lmromanslant10-regular-webfont.eot');
src: local('☺'), url('f/lmromanslant10-regular-webfont.woff') format('woff'), url('f/lmromanslant10-regular-webfont.ttf') format('truetype'), url('f/lmromanslant10-regular-webfont.svg#webfont5pLJWgYw') format('svg');
font-weight: normal;
font-style: italic;
}
@font-face {
font-family: 'LatinModernRoman10Bold';
src: url('f/lmroman10-bold-webfont.eot');
src: local('☺'), url('f/lmroman10-bold-webfont.woff') format('woff'), url('f/lmroman10-bold-webfont.ttf') format('truetype'), url('f/lmroman10-bold-webfont.svg#webfontDIaNd4lG') format('svg');
font-weight: bold;
font-style: normal;
}
@font-face {
font-family: 'LatinModernRoman10BoldItalic';
src: url('f/lmroman10-bolditalic-webfont.eot');
src: local('☺'), url('f/lmroman10-bolditalic-webfont.woff') format('woff'), url('f/lmroman10-bolditalic-webfont.ttf') format('truetype'), url('f/lmroman10-bolditalic-webfont.svg#webfontVm6n5sgb') format('svg');
font-weight: bold;
font-style: italic;
}
@font-face {
font-family: 'LatinModernMono10Regular';
src: url('f/lmmono10-regular-webfont.eot');
src: local('☺'), url('f/lmmono10-regular-webfont.woff') format('woff'), url('f/lmmono10-regular-webfont.ttf') format('truetype'), url('f/lmmono10-regular-webfont.svg#webfontThQaD2ST') format('svg');
font-weight: normal;
font-style: normal;
}
@font-face {
font-family: 'LatinModernMonoSlanted10Regul';
src: url('f/lmmonoslant10-regular-webfont.eot');
src: local('☺'), url('f/lmmonoslant10-regular-webfont.woff') format('woff'), url('f/lmmonoslant10-regular-webfont.ttf') format('truetype'), url('f/lmmonoslant10-regular-webfont.svg#webfontpL2TNuMK') format('svg');
font-weight: normal;
font-style: italic;
}
body{
font:100%/1.4 'LatinModernRoman10Regular',serif;
margin:0 auto 2em auto;
width:50.3em;
background:tan;
color:black;
}
code{
font-family:'LatinModernMono10Regular',monospace;
font-weight:normal;
}
code i{
font-family:'LatinModernMonoSlanted10Regul',monospace;
font-style:italic;
}
i{
font-family:'LatinModernRomanSlanted10Regu',serif;
}
b,h2 span{
font-family:'LatinModernRoman10Bold',serif;
font-weight:bold;
}
h1,h2{
font-family:ChunkFiveRegular,serif;
font-weight:normal;
text-shadow:1px 1px 1px #fcc;
}
h1{
font-size:37px;
line-height:1.4;
text-align:center;
border-bottom:12px solid;
}
h2{
font-size:xx-large;
line-height:1.4;
text-align:left;
width:100%;
border-bottom:1px solid;
margin-bottom:3px;
}
h2 span{
float:right;
font-size:x-small;
line-height:1.4;
display:inline-block;
margin-top:2.5em;
text-shadow:none;
}
a:link,a:visited{
text-decoration:none;
color:black;
}
table:hover a:link,
table:hover a:visited{
text-decoration:underline !important;
}
td{
margin:0;
padding:0;
font-size:small;
line-height:1.4;
text-align:left;
vertical-align:top;
}
.dots{
background:tan url(i/dot-tan.png) repeat-x 0 0.95em;
}
.dots *{
background:tan;
}
code{
font-size:small;
line-height:1.4;
font-style:normal !important;
}
hr{
color:black;
margin-top:4px;
border-top:6px solid;
}
.note{
border:5px double;
border-radius: 1.4em;
margin-top:0.7em;
padding: 0.3em 1em 0.5em 1em;
line-height:1.6;
}
#td1{width:2%}
#td2{width:17%}
#td3{width:30%}
#td4{width:1%}
#td5{width:2%}
#td6{width:18%}
#td7{width:29%}
#td8{width:1%}
@media print{
a:link,a:visited{
text-decoration:none;
}
h1,h2{
text-shadow:none;
}
}
</style>
<!--[if IE]>
<style>
i{
font-family:'LatinModernRomanSlanted10Regu',serif;
font-style:normal;
}
b{
font-family:'LatinModernRoman10Bold',serif;
font-weight:normal;
}
b i,i b{
font-family:'LatinModernRoman10BoldItalic',serif;
font-weight:normal;
font-style:normal;
}
code i{
font-family:'LatinModernMonoSlanted10Regul',monospace;
font-style:normal;
}
</style>
<![endif]-->
<link rel=prefetch href=index.html>
<table><!-- giveupandusetables.com -->
<tr>
<td colspan=8><h1>HTML5 Espiadas, Cutucadas e Apontadores</h1>
<tr>
<td colspan=8><hr>
<tr>
<td colspan=8><i>Abreviações comuns (você vai vê-las ao longo deste artigo):</i>
<tr>
<td colspan=4><b>$new</b>=<code>document.createElement</code>
<td colspan=4><b>$bool</b>=<code>function(any){return!(any=="no"||!any)}</code>
<tr>
<td colspan=8><i>A maioria das novas funcionalidades podem ser detectadas em JavaScript.
Para testar o suporte HTML5 a vídeos, crie uma tag <code><video></code> e verifique se existe a seguinte propriedade no DOM:
<code>if("canPlayType" in $new("video")){...}</code><br>
Veja <a href=detect.html>Capítulo 2: Detectando Funcionalidades Da HTML5</a></i>.
<tr>
<td colspan=3><h2>Novos elementos</h2>
<td>
<td colspan=4><h2><span>5 > 2</span> Formas</h2>
<tr>
<td colspan=3><i>Veja <a href=semantics.html>Capítulo 3: O Quê Significa Tudo Isso?</a></i>
<td>
<td colspan=4><i>Compatível com HTML 4. Veja <a href=forms.html>Capítulo 9: Uma Forma De Loucura</a>.</i>
<tr>
<td colspan=3><b>Teste de suporte</b>
<td>
<td colspan=4><b>Teste de suporte</b>
<tr>
<td>
<td class=dots><b><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/interactive-elements.html#the-command><command></a></b>
<td><code>"type" em $new("command")</code>
<td>
<td>
<td class=dots><b><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/association-of-controls-and-forms.html#constraints>Validation</a></b>
<td colspan=2><code>"noValidate" em $new("form")</code>
<tr>
<td>
<td class=dots><b><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-button-element.html#the-datalist-element><datalist></a></b>
<td><code>"options" em $new("datalist")</code>
<td>
<td>
<td class=dots><b><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/common-input-element-attributes.html#the-pattern-attribute>Regex constraint</a></b>
<td colspan=2><code>"pattern" em $new("input")</code>
<tr>
<td>
<td class=dots><b><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/interactive-elements.html#the-details-element><details></a></b>
<td><code>"open" em $new("details")</code>
<td>
<td>
<td class=dots><b><a href=forms.html#placeholder>Placeholder text</a></b>
<td colspan=2><code>"placeholder" em $new("input")</code>
<tr>
<td>
<td class=dots><b><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-button-element.html#the-output-element><output></a></b>
<td><code>"value" em $new("output")</code>
<td>
<td>
<td class=dots><b><a href=forms.html#autofocus>Autofocus</a></b>
<td colspan=2><code>"autofocus" em $new("input")</code>
<tr>
<td>
<td class=dots><b><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-button-element.html#the-progress-element><progress></a></b>
<td><code>"value" em $new("progress")</code>
<td>
<td>
<td class=dots><b><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/common-input-element-attributes.html#the-required-attribute>Required</a></b>
<td colspan=2><code>"required" em $new("input")</code>
<tr>
<td>
<td class=dots><b><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-button-element.html#the-meter-element><meter></a></b>
<td><code>"value" em $new("meter")</code>
<td>
<td colspan=4><b><a href=forms.html>Novos input types</a></b> <i>Navegadores podem personalizar os métodos de estilo ou de entrada.</i>
<tr>
<td>
<td class=dots><b><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/text-level-semantics.html#the-time-element><time></a></b>
<td><code>"valueAsDate" em $new("time")</code>
<td>
<td>
<td class=dots><code>type="search"</code>
<td colspan=2>search box
<tr>
<td colspan=2 class=dots><b>Anotações de texto</b>
<td><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/text-level-semantics.html#the-ruby-element><code><ruby></code></a>, <a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/text-level-semantics.html#the-rt-element><code><rt></code></a>, <a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/text-level-semantics.html#the-rp-element><code><rp></code></a>
<td>
<td>
<td class=dots><span><code>type="number"</code></span>
<td colspan=2>spinbox
<tr>
<td colspan=3><b>Semântica</b> <i>utilizáveis em todos os navegadores <a href=http://code.google.com/p/html5shiv/>IE < 9 requer um hack</a>.</i>
<td>
<td>
<td class=dots><span><code>type="range"</code></span>
<td colspan=2>slider
<tr>
<td>
<td colspan=2><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/sections.html#the-article-element><code><article></code></a>, <a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/sections.html#the-aside-element><code><aside></code></a>, <a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/sections.html#the-header-element><code><header></code></a>, <a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/sections.html#the-hgroup-element><code><hgroup></code></a>, <a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/sections.html#the-footer-element><code><footer></code></a>,
<td>
<td>
<td class=dots><span><code>type="color"</code></span>
<td colspan=2>color picker
<tr>
<td>
<td colspan=2><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/sections.html#the-section-element><code><section></code></a>, <a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/sections.html#the-nav-element><code><nav></code></a>, <a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/grouping-content.html#the-figure-element><code><figure></code></a>, <a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/grouping-content.html#the-figcaption-element><code><figcaption></code></a>, <a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/text-level-semantics.html#the-mark-element><code><mark></code></a>,
<td>
<td>
<td class=dots><span><code>type="tel"</code></span>
<td colspan=2>telephone number
<tr>
<td>
<td colspan=2><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/interactive-elements.html#the-summary-element><code><summary></code></a>
<td>
<td>
<td class=dots><span><code>type="url"</code></span>
<td colspan=2>web address
<tr>
<td colspan=2 class=dots><span><b>Documentados recentemente</b></span>
<td><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-iframe-element.html#the-embed-element><code><embed></code></a>, <a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-button-element.html#the-keygen-element><code><keygen></code></a>, <a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/text-level-semantics.html#the-wbr-element><code><wbr></code></a>
<td>
<td>
<td class=dots><span><code>type="email"</code></span>
<td colspan=2>email address
<tr>
<td colspan=3><b><a href=http://dev.w3.org/html5/html4-differences/#absent-elements>Obsoletos</a></b> <i>Ainda suportados, mas não validados.</i>
<td>
<td>
<td colspan=3><code>type="date"/"time"/"month"/"week"/"datetime"</code>
<tr>
<td>
<td colspan=3><code><basefont></code>, <code><big></code>, <code><center></code>, <code><font></code>, <code><s></code>, <code><strike></code>,
<td colspan=4><b><a href=detect.html#input-types>Testes para os novos input types</a></b> <i>Todos os testes seguem o mesmo padrão.</i>
<tr>
<td>
<td colspan=3><code><frame></code>, <code><frameset></code>, <code><noframes></code>, <code><applet></code>, <code><dir></code>,
<td>
<td colspan=3><code>function() {</code>
<tr>
<td>
<td colspan=3><code><isindex></code>, <code><tt></code>, <code><u></code>, <code><acronym></code> (usar <a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/text-level-semantics.html#the-abbr-element><code><abbr></code></a>)
<td>
<td colspan=3><code> var i = $new("input");</code>
<tr>
<td rowspan=5 colspan=3><p class=note>Sempre colocar "aspas" nos seus atributos, a não ser que você seja um <i>rockstar</i>. Mantenhas suas barras finais se você quiser. A validação ainda é interessante: <b><a href=http://html5.validator.nu/>html5.validator.nu</a></b>
<td rowspan=5 colspan=1>
<td>
<td colspan=3><code> i.setAttribute("type", "<b>search</b>");</code>
<tr>
<td>
<td colspan=3><code> return i.type !== "text";</code>
<tr>
<td>
<td colspan=3><code>}</code>
<tr>
<td colspan=4><i>Alguns navegadores dizem “suportar” algum input type mas não oferecem um padrão para interface do usuário.</i>
<tr>
<td colspan=4><i><a href=http://www.modernizr.com/>Modernizr</a> consegue detectar isto.</i>
<tr>
<td colspan=8><h2><span>Veja mamãe, sem plugins</span> Multimedia</h2>
<tr>
<td colspan=8><i>Encodando video com <a href=http://firefogg.org/>Firefogg</a> (Theora), <a href=http://handbrake.fr/>HandBrake</a> (H.264), ou <a href=http://www.mirovideoconverter.com/>Miro Video Encoder</a> (multiple). Veja <a href=video.html>Capítulo 5: Vídeo na web</a>.</i>
<tr>
<td colspan=2 class=dots><span><b><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#audio><audio></a> support</b></span>
<td colspan=6><code>"canPlayType" in $new("audio")</code>
<tr>
<td>
<td class=dots><span><b><a href=http://en.wikipedia.org/wiki/Vorbis>Vorbis</a></b></span>
<td colspan=6><code>$bool($new("audio").canPlayType('audio/ogg; codecs="vorbis"'))</code>
<tr>
<td>
<td class=dots><span><b><a href=http://en.wikipedia.org/wiki/MP3>MP3</a></b></span>
<td colspan=6><code>$bool($new("audio").canPlayType('audio/mpeg;'))</code>
<tr>
<td>
<td class=dots><span><b><a href=http://en.wikipedia.org/wiki/Advanced_Audio_Coding>AAC</a></b></span>
<td colspan=6><code>$bool($new("audio").canPlayType('audio/mp4; codecs="mp4a.40.2"'))</code>
<tr>
<td colspan=2 class=dots><span><b><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#video><video></a> support</b></span>
<td colspan=6><code>"canPlayType" in $new("video")</code>
<tr>
<td>
<td class=dots><span><b><a href=http://en.wikipedia.org/wiki/WebM>WebM</a></b></span>
<td colspan=6><code>$bool($new("video").canPlayType('video/webm; codecs="vp8, vorbis"'))</code>
<tr>
<td>
<td class=dots><span><b><a href=http://en.wikipedia.org/wiki/Theora>Theora</a></b></span>
<td colspan=6><code>$bool($new("video").canPlayType('video/ogg; codecs="theora"'))</code>
<tr>
<td>
<td class=dots><span><b><a href=http://en.wikipedia.org/wiki/H.264/MPEG-4_AVC>H.264</a></b></span>
<td colspan=6><code>$bool($new("video").canPlayType('video/mp4; codecs="avc1.42E01E, mp4a.40.2"'))</code>
<tr>
<td colspan=2 class=dots><span><b><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#htmlmediaelement>Properties</a></b></span>
<td colspan=6><i>Estes se aplicam a ambos elementos de <code><audio></code> e <code><video></code>.</i>
<tr>
<td>
<td class=dots><span><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#dom-media-src>src</a></code></span>
<td>string
<td>
<td>
<td class=dots><span><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#dom-media-currentsrc>currentSrc</a></code></span>
<td colspan=2>string, somente leitura
<tr>
<td>
<td class=dots><span><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#dom-media-preload>preload</a></code></span>
<td>string
<td>
<td>
<td class=dots><span><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#dom-media-tracks>tracks</a></code></span>
<td colspan=2>um array de objetos <a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#timedtrack>TimedTrack</a>
<tr>
<td>
<td class=dots><span><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#dom-media-currenttime>currentTime</a></code></span>
<td>em segundos
<td>
<td>
<td class=dots><span><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#dom-media-buffered>buffered</a></code></span>
<td colspan=2>Objeto <a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#timeranges>TimeRanges</a>, somente leitura
<tr>
<td>
<td class=dots><span><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#dom-media-initialtime>initialTime</a></code></span>
<td>em segundos, apenas leitura
<td>
<td>
<td class=dots><span><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#dom-media-played>played</a></code></span>
<td colspan=2>Objeto TimeRanges, apenas leitura
<tr>
<td>
<td class=dots><span><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#dom-media-duration>duration</a></code></span>
<td>em segundos, apenas leitura
<td>
<td>
<td class=dots><span><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#dom-media-seekable>seekable</a></code></span>
<td colspan=2>Objeto TimeRanges, apenas leitura
<tr>
<td>
<td class=dots><span><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#dom-media-startoffsettime>startOffsetTime</a></code></span>
<td>datetime, apenas leitura
<td>
<td>
<td class=dots><span><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#dom-media-networkstate>networkState</a></code></span>
<td colspan=2>enumerated, apenas leitura
<tr>
<td>
<td class=dots><span><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#dom-media-paused>paused</a></code></span>
<td>boolean
<td>
<td>
<td class=dots><span><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#dom-media-readystate>readyState</a></code></span>
<td colspan=2>enumerated, apenas leitura
<tr>
<td>
<td class=dots><span><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#dom-media-ended>ended</a></code></span>
<td>boolean, apenas leitura
<td>
<td>
<td class=dots><span><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#dom-media-error>error.code</a></code></span>
<td colspan=2>enumerated, apenas leitura
<tr>
<td>
<td class=dots><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#dom-media-autoplay>autoplay</a></code>
<td>boolean
<td>
<td rowspan=6 colspan=4><p class=note>Liste vários elementos <a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#the-source-element><code><source></code></a> em um <code><audio></code> ou <code><video></code>. O suporte a HTML5 dos browsers não renderizam os filhos de <code><video></code>, então coloque o <a href=video.html#ie>fallback em Flash</a> lá. Áudio e vídeo devem ser colocados com o MIME type apropriado, então verifique seu <code>Content-Type</code> no cabeçalho!
<tr>
<td>
<td class=dots><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#dom-media-loop>loop</a></code>
<td>boolean
<td>
<tr>
<td>
<td class=dots><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#dom-media-controls>controls</a></code>
<td>boolean
<td>
<tr>
<td>
<td class=dots><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#dom-media-volume>volume</a></code>
<td>0.0 a 1.0, default = 1.0
<td>
<tr>
<td>
<td class=dots><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#dom-media-muted>muted</a></code>
<td>boolean
<td>
<tr>
<td>
<td class=dots><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#dom-media-playbackrate>playbackRate</a></code>
<td>default = 1.0
<td>
<tr>
<td colspan=3><h2>Offline</h2>
<td>
<td colspan=4><h2><span><a href=http://isgeolocationpartofhtml5.com/>IsGeolocationPartOfHTML5.com</a></span> Geolocalização</h2>
<tr>
<td colspan=3><i>Veja <a href=offline.html>Capítulo 8: Vamos tornar isso offline</a>.</i>
<td>
<td colspan=4><i>Compartilhamento de localização sempre é opt-in (opcional). Veja <a href=geolocation.html>Capítulo 6: Você está aqui</a>.</i>
<tr>
<td colspan=2 class=dots><span><b><a href=detect.html#offline>Teste de suporte</a></b></span>
<td><code>window.applicationCache</code>
<td>
<td colspan=2 class=dots><span><b><a href=detect.html#geolocation>Teste de suporte</a></b></span>
<td colspan=2><code>navigator.geolocation</code>
<tr>
<td colspan=2 class=dots><span><b><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/semantics.html#attr-html-manifest><html manifest></a></b></span>
<td><i>Links para cache manifest.</i>
<td>
<td colspan=4><b><a href=http://www.w3.org/TR/geolocation-API/#geolocation_interface>Funções</a></b>
<tr>
<td colspan=3><b><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/offline.html#manifests>Sessões cache manifest</a></b>
<td>
<td>
<td colspan=3><code>Position getCurrentPosition(callback, <i title="optional">err, opt</i>);</code>
<tr>
<td>
<td class=dots><b>CACHE:</b>
<td>Sempre em cache. Sem wildcards.
<td>
<td>
<td colspan=3><code>long watchPosition(callback, <i title="optional">err, opt</i>);</code>
<tr>
<td>
<td class=dots><b>NETWORK:</b>
<td>Nunca em cache. "*" wildcards.
<td>
<td>
<td colspan=3><code>void clearWatch(watchId);</code>
<tr>
<td>
<td class=dots><b>FALLBACK:</b>
<td>Pares; o segundo é utilizado offline.
<td>
<td>
<td colspan=3><code>void callback(position);</code> <i>Chamado em caso de sucesso</i>
<tr>
<td colspan=2 class=dots><b><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/offline.html#appcacheevents>Eventos</a></b>
<td><i>Os quatro primeiros são os mais comuns.</i>
<td>
<td>
<td colspan=3><code>void err(positionError);</code> <i>Chamado em caso de erro</i>
<tr>
<td>
<td class=dots><code>checking</code>
<td>sempre em primeiro lugar
<td>
<td colspan=4><b><a href=http://www.w3.org/TR/geolocation-API/#position-options>PositionOptions object</a></b>
<tr>
<td>
<td class=dots><code>downloading</code>
<td>Encontrado manifest, buscando
<td>
<td>
<td class=dots><code>timeout</code>
<td colspan=2>Em milissegundos
<tr>
<td>
<td class=dots><code>progress</code>
<td>Ainda buscando
<td>
<td>
<td class=dots><code>maximumAge</code>
<td colspan=2>também milissegundos
<tr>
<td>
<td class=dots><code>cached</code>
<td>todos os recursos armazenados em cache
<td>
<td>
<td class=dots><code>enableHighAccuracy</code>
<td colspan=2>true or false (verdadeiro ou falso)
<tr>
<td>
<td class=dots><code>noupdate</code>
<td>manifest não mudou
<td>
<td colspan=4><i><a href=http://www.w3.org/TR/geolocation-API/#position>Position object</a> (no callback) Tem <code>timestamp</code> e <code>coords</code>.</i>
<tr>
<td>
<td class=dots><code>updateready</code>
<td>chamar <code>swapCache()</code> para ativar
<td>
<td colspan=4><b><a href=http://www.w3.org/TR/geolocation-API/#coordinates_interface>Coordinates object</a></b> <i>Propriedades não suportados serão <code>null</code>.</i>
<tr>
<td>
<td class=dots><code>obsolete</code>
<td>manifest é 404 (ou 410)
<td>
<td>
<td class=dots><code>latitude</code>
<td colspan=2>em graus decimais
<tr>
<td>
<td class=dots><code>error</code>
<td>tudo deu errado em algum lugar
<td>
<td>
<td class=dots><code>longitude</code>
<td colspan=2>também em graus decimais
<tr>
<td rowspan=8 colspan=3><p class=note>Semânticas HTTP ainda se aplicam aos recursos listados no cache manifest, então verifique seus cabeçalhos <code>Expires</code> e <code>Cache-Control</code>. Manifest devem ser apresentados como <code>text/cache-manifest</code>, então verifique o seu cabeçalho <code>Content-Type</code> também. Se <i>qualquer</i> recurso necessário não carregar, a aplicação não irá funcionar offline.
<td rowspan=8 colspan=1>
<td>
<td class=dots><code>altitude</code>
<td colspan=2>metros acima do <a href=http://en.wikipedia.org/wiki/Reference_ellipsoid>elipsóide de referência</a>
<tr>
<td>
<td class=dots><code>accuracy</code>
<td colspan=2>em metros
<tr>
<td>
<td class=dots><code>altitudeAccuracy</code>
<td colspan=2>também em metros
<tr>
<td>
<td class=dots><code>heading</code>
<td colspan=2>graus CCW do norte verdadeiro
<tr>
<td>
<td class=dots><code>speed</code>
<td colspan=2>em metros/segundos
<tr>
<td colspan=4><i><a href=http://www.w3.org/TR/geolocation-API/#position-error>PositionError object</a> (no err callback) tem <code>message</code> e <code>code</code>:</i>
<tr>
<td>
<td colspan=3>TIMEOUT, POSITION_UNAVAILABLE,
<tr>
<td>
<td colspan=3>PERMISSION_DENIED, ou UNKNOWN_ERROR
<tr>
<td colspan=8><h2><span>Matemática é difícil, vamos às compras!</span> Canvas</h2>
<tr>
<td colspan=8><i>Os caminhos são como traçar a lápis; nada é desenhado até <code>fill()</code> ou <code>stroke()</code>! Veja <a href=canvas.html>Capítulo 4:Vamos Chamar De Superfície de Desenho</a>.</i>
<tr>
<td colspan=2 class=dots><b><a href=detect.html#canvas>Suporte básico</a></b>
<td colspan=6><code>"getContext" in $new("canvas")</code>
<tr>
<td colspan=2 class=dots><b><a href=detect.html#canvas-text>Suporte de texto</a></b>
<td colspan=6><code>typeof $new("canvas").fillText=="function"</code>
<tr>
<td colspan=2 class=dots><b>Funções</b>
<td colspan=6><i>Caminho da raiz está implícito; subcaminhos devem ser explícitos. <code>drawImage()</code> também pode desenhar vídeo ou canvas.</i>
<tr>
<td>
<td><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-beginpath>beginPath();</a></code>
<td><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-drawimage>drawImage(image,dx,dy,<i title="optional">dw,dh</i>);</a></code>
<td>
<td colspan=4><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-quadraticcurveto>quadraticCurveTo(cpx,cpy,x,y);</a></code>
<tr>
<td>
<td><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-closepath>closePath();</a></code>
<td><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-rotate>rotate(angle);</a></code>
<td>
<td colspan=4><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-beziercurveto>bezierCurveTo(cp1x,cp1y,cp2x,cp2y,x,y);</a></code>
<tr>
<td>
<td><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-moveto>moveTo(x,y);</a></code>
<td><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-translate>translate(x,y);</a></code>
<td>
<td colspan=4><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-arc>arc(x,y,radius,startAngle,endAngle,anticlockwise);</a></code>
<tr>
<td>
<td><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-lineto>lineTo(x,y);</a></code>
<td><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-arcto>arcTo(x1,y1,x2,y2,radius);</a></code>
<td>
<td colspan=4><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-getimagedata>getImageData(sx,sy,sw,sh);</a></code>
<tr>
<td>
<td><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-rect>rect(x,y,w,h);</a></code>
<td><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-ispointinpath>isPointInPath(x,y);</a></code>
<td>
<td colspan=4><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-putimagedata>putImageData(imagedata,dx,dy,x,y,w,h);</a></code>
<tr>
<td>
<td><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-fill>fill();</a></code>
<td><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-fillrect>fillRect(x,y,w,h);</a></code>
<td>
<td colspan=4><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-filltext>fillText(text,x,y,<i title="optional">maxWidth</i>);</a></code>
<tr>
<td>
<td><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-stroke>stroke();</a></code>
<td><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-strokerect>strokeRect(x,y,w,h);</a></code>
<td>
<td colspan=4><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-stroketext>strokeText(text,x,y,<i title="optional">maxWidth</i>);</a></code>
<tr>
<td>
<td><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-clip>clip();</a></code>
<td><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-clearrect>clearRect(x,y,w,h);</a></code>
<td>
<td colspan=4><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-measuretext>measureText(text);</a></code>
<tr>
<td>
<td><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-save>save();</a></code>
<td><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-settransform>setTransform(a,b,c,d,e,f);</a></code>
<td>
<td colspan=4><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-createlineargradient>createLinearGradient(x0,y0,x1,y1);</a></code>
<tr>
<td>
<td><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-restore>restore();</a></code>
<td><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-transform>transform(a,b,c,d,e,f);</a></code>
<td>
<td colspan=4><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-createradialgradient>createRadialGradient(x0,y0,r0,x1,y1,r1);</a></code>
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<td>
<td><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-scale>scale(x,y);</a></code>
<td><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-createimagedata>createImageData(sw,sh);</a></code>
<td>
<td colspan=4><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-createpattern>createPattern(image,repetition);</a></code>
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<td colspan=2 class=dots><b>Propriedades</b>
<td colspan=6><i>Todas as propriedades são de leitura/escrita. <code>fillStyle</code> e <code>strokeStyle</code> também pode ser um gradiente ou padrão.</i>
<tr>
<td>
<td class=dots><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-fillstyle>fillStyle</a></code>
<td>cor CSS, padrão = "black"
<td>
<td colspan=2 class=dots><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-shadowcolor>shadowColor</a></code>
<td colspan=2>cor CSS, padrão = "black"
<tr>
<td>
<td class=dots><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-strokestyle>strokeStyle</a></code>
<td>cor CSS, padrão = "black"
<td>
<td colspan=2 class=dots><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-shadowoffsetx>shadowOffsetX</a></code>
<td colspan=2>Em pixels, padrão = 0
<tr>
<td>
<td class=dots><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-font>font</a></code>
<td>fonte CSS, padrão = "10px sans-serif"
<td>
<td colspan=2 class=dots><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-shadowoffsety>shadowOffsetY</a></code>
<td colspan=2>Em pixels, padrão = 0
<tr>
<td>
<td class=dots><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-textalign>textAlign</a></code>
<td>enumerated, padrão = "start"
<td>
<td colspan=2 class=dots><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-shadowblur>shadowBlur</a></code>
<td colspan=2>Em pixels, padrão = 0
<tr>
<td>
<td class=dots><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-textbaseline>textBaseline</a></code>
<td>enumerated, padrão = "alphabetic"
<td>
<td rowspan=6 colspan=4><p class=note>Aprenda mais sobre os estados! Um <a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#the-canvas-state>canvas state</a> inclui o caminho de recorte, todas as propriedades, e todas as transformações. <code>save()</code> envia um estado para a pilha e <code>restore()</code> tira fora.
<tr>
<td>
<td class=dots><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-globalalpha>globalAlpha</a></code>
<td>0.0 (transparente) até 1.0 (opaco)
<td>
<tr>
<td>
<td class=dots><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-linewidth>lineWidth</a></code>
<td>Em pixels, padrão = 1
<td>
<tr>
<td>
<td class=dots><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-linecap>lineCap</a></code>
<td>enumerated, padrão = "butt"
<td>
<tr>
<td>
<td class=dots><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-linejoin>lineJoin</a></code>
<td>enumerated, padrão = "miter"
<td>
<tr>
<td>
<td class=dots><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-miterlimit>miterLimit</a></code>
<td>float, enumerado = 10
<td>
<tr>
<td colspan=8><h2>Bits & Bytes</h2>
<tr>
<td colspan=2 class=dots><b><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/syntax.html#the-doctype>Doctype</a></b>
<td colspan=6><code><!DOCTYPE html></code> <i>Dispara a <a href=semantics.html#the-doctype>renderização baseada em padrões</a> em todos os navegadores. É 2011; pare de confiar em "quirks mode"!</i>
<tr>
<td colspan=2 class=dots><b><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/semantics.html#attr-meta-charset>Codificação de texto</a></b>
<td colspan=6><code><meta charset="utf-8"></code> <i><a href=http://openmya.hacker.jp/hasegawa/security/utf7cs.html>Sempre declarar um charset</a>, mesmo que você seja um rockstar. UTF-8 sempre é uma escolha segura.</i>
<tr>
<td colspan=2 class=dots><b><a href=http://wiki.whatwg.org/wiki/HTML_vs._XHTML>Tags de fim opcional</a></b>
<td colspan=6><code><html></code>, <code><head></code>, <code><body></code>, <code><li></code>, <code><p></code>, <code><dt></code>, <code><dd></code>, <code><colgroup></code>, <code><option></code>, <code><optgroup></code>, <code><rt></code>, <code><rp></code>,
<tr>
<td colspan=2>
<td colspan=6><code><thead></code>, <code><tbody></code>, <code><tfoot></code>, <code><tr></code>, <code><td></code>. <i>Exceção: sempre feche <code><p></code> antes de <code><table></code> para evitar a loucura do IE.</i>
<tr>
<td colspan=2 class=dots><b><a href=http://wiki.whatwg.org/wiki/HTML_vs._XHTML>Tags de inicio opcionais</a></b>
<td colspan=6><code><html></code>, <code><head></code>, <code><body></code>, <code><tbody></code>, <code><colgroup></code>. <i>Surpreenda os seus amigos! Ignore a tag <code><html></code> e continue validando!</i>
<tr>
<td colspan=2 class=dots><b><a href=http://dev.w3.org/html5/html4-differences/#new-attributes>Novos atributos</a></b>
<td colspan=6><code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/links.html#attr-hyperlink-media><a media></a></code>, <code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/links.html#ping><a ping></a></code>, <code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/semantics.html#attr-base-target><base target></a></code>, <code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/semantics.html#attr-style-scoped><style scoped></a></code>, <code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/scripting-1.html#attr-script-async><script async></a></code>, <code><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/grouping-content.html#attr-ol-reversed><ol reversed></a></code>
<tr>
<td colspan=2><b>Testes diversos</b>
<td colspan=6><i>Veja <a href=everything.html>O Único Quase-Alfabético Sem-Besteiras Guia Para Detectar Tudo</a>.</i>
<tr>
<td>
<td class=dots><b><a href=http://dev.w3.org/2006/webapi/WebSimpleDB/>IndexedDB</a></b>
<td><code>window.indexedDB</code>
<td>
<td colspan=2 class=dots><b><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/editing.html#contenteditable>contentEditable</a></b>
<td colspan=2><code>"isContentEditable" in $new("a")</code>
<tr>
<td>
<td class=dots><b><a href=http://www.whatwg.org/specs/web-workers/current-work/>Web Workers</a></b>
<td><code>window.Worker</code>
<td>
<td colspan=2 class=dots><b><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/dnd.html#dnd>Drag-and-drop</a></b>
<td colspan=2><code>"draggable" in $new("span")</code>
<tr>
<td>
<td class=dots><b><a href=http://dev.w3.org/html5/websockets/>Web Sockets</a></b>
<td><code>window.WebSocket</code>
<td>
<td colspan=2 class=dots><b><a href=http://dev.w3.org/2006/webapi/FileAPI/>File API</a></b>
<td colspan=2><code>typeof FileReader!=="undefined"</code>
<tr>
<td>
<td class=dots><b><a href=http://www.whatwg.org/specs/web-apps/current-work/multipage/comms.html#web-messaging>X-doc messaging</a></b>
<td><code>window.postMessage</code>
<td>