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HTML 标签
- </a> </li> <li class=""> <a href="/jiaocheng/co-1055.html"> <img></a> </li> <li class=""> <a href="/jiaocheng/co-1056.html"> <input></a> </li> <li class=""> <a href="/jiaocheng/co-1057.html"> <ins></a> </li> <li class=""> <a href="/jiaocheng/co-1058.html"> <kbd></a> </li> <li class=""> <a href="/jiaocheng/co-1059.html"> <keygen></a> </li> <li class=""> <a href="/jiaocheng/co-1060.html"> <label></a> </li> <li class=""> <a href="/jiaocheng/co-1061.html"> <legend></a> </li> <li class=""> <a href="/jiaocheng/co-1062.html"> <li></a> </li> <li class=""> <a href="/jiaocheng/co-1063.html"> <link></a> </li> <li class=""> <a href="/jiaocheng/co-1064.html"><main></a> </li> <li class=""> <a href="/jiaocheng/co-1065.html"> <map></a> </li> <li class=""> <a href="/jiaocheng/co-1066.html"> <mark></a> </li> <li class=""> <a href="/jiaocheng/co-1067.html"> <menu></a> </li> <li class=""> <a href="/jiaocheng/co-1068.html"> <meta></a> </li> <li class=""> <a href="/jiaocheng/co-1069.html"> <meter></a> </li> <li class=""> <a href="/jiaocheng/co-1070.html"> <nav></a> </li> <li class=""> <a href="/jiaocheng/co-1071.html"> <noframes></a> </li> <li class=""> <a href="/jiaocheng/co-1072.html"> <noscript></a> </li> <li class=""> <a href="/jiaocheng/co-1073.html"> <object></a> </li> <li class=""> <a href="/jiaocheng/co-1074.html"> <ol></a> </li> <li class=""> <a href="/jiaocheng/co-1075.html"> <optgroup></a> </li> <li class=""> <a href="/jiaocheng/co-1076.html"> <option></a> </li> <li class=""> <a href="/jiaocheng/co-1077.html"> <output></a> </li> <li class=""> <a href="/jiaocheng/co-1078.html"> <p></a> </li> <li class=""> <a href="/jiaocheng/co-1079.html"> <param></a> </li> <li class=""> <a href="/jiaocheng/co-1080.html"> <pre></a> </li> <li class=""> <a href="/jiaocheng/co-1081.html"> <html></a> </li> <li class=""> <a href="/jiaocheng/co-1082.html"><picture></a> </li> <li class=""> <a href="/jiaocheng/co-1083.html">progress</a> </li> <li class=""> <a href="/jiaocheng/co-1084.html">q </a> </li> <li class=""> <a href="/jiaocheng/co-1085.html"> <rp></a> </li> <li class=""> <a href="/jiaocheng/co-1086.html"> <rt></a> </li> <li class=""> <a href="/jiaocheng/co-1087.html"> <ruby></a> </li> <li class=""> <a href="/jiaocheng/co-1088.html"> <s></a> </li> <li class=""> <a href="/jiaocheng/co-1089.html"> <samp></a> </li> <li class=""> <a href="/jiaocheng/co-1090.html"><script> </a> </li> <li class=""> <a href="/jiaocheng/co-1091.html"> <section></a> </li> <li class=""> <a href="/jiaocheng/co-1092.html"> <select></a> </li> <li class=""> <a href="/jiaocheng/co-1093.html"> <small></a> </li> <li class=""> <a href="/jiaocheng/co-1094.html"> <source></a> </li> <li class=""> <a href="/jiaocheng/co-1095.html"> <span></a> </li> <li class=""> <a href="/jiaocheng/co-1096.html"> <strike></a> </li> <li class=""> <a href="/jiaocheng/co-1097.html"> <strong></a> </li> <li class=""> <a href="/jiaocheng/co-1098.html"> <style></a> </li> <li class=""> <a href="/jiaocheng/co-1099.html"> <sub></a> </li> <li class=""> <a href="/jiaocheng/co-1100.html"> <summary></a> </li> <li class=""> <a href="/jiaocheng/co-1101.html"> <sup></a> </li> <li class=""> <a href="/jiaocheng/co-1102.html"> <table></a> </li> <li class=""> <a href="/jiaocheng/co-1103.html"> <tbody></a> </li> <li class=""> <a href="/jiaocheng/co-1104.html"> <td></a> </li> <li class=""> <a href="/jiaocheng/co-1105.html"> <textarea></a> </li> <li class=""> <a href="/jiaocheng/co-1106.html"> <tfoot></a> </li> <li class=""> <a href="/jiaocheng/co-1107.html"> <th></a> </li> <li class=""> <a href="/jiaocheng/co-1108.html"> <thead></a> </li> <li class=""> <a href="/jiaocheng/co-1109.html"> <time></a> </li> <li class=""> <a href="/jiaocheng/co-1110.html"> <title></a> </li> <li class=""> <a href="/jiaocheng/co-1111.html"> <tr></a> </li> <li class=""> <a href="/jiaocheng/co-1112.html"> <track></a> </li> <li class=""> <a href="/jiaocheng/co-1113.html"> <tt></a> </li> <li class=""> <a href="/jiaocheng/co-1114.html"> <u></a> </li> <li class=""> <a href="/jiaocheng/co-1115.html"> <ul></a> </li> <li class=""> <a href="/jiaocheng/co-1116.html"> <var></a> </li> <li class=""> <a href="/jiaocheng/co-1117.html"> <video></a> </li> <li class=""> <a href="/jiaocheng/co-1118.html"> <wbr></a> </li> </ul> </div>  <div id='write' class='is-node'> <h1 class="border-b-none"><a name="" class="md-header-anchor"></a><span> <canvas></span></h1> <div class="pre-and-next"> <a href="co-1019.html">上一篇： <button></a> <a href="co-1021.html" >下一篇： <caption> </a> </div> <div class="article-intro" id="content"><div class="example"> <h2 class="example">实例</h2> <p>通过 <canvas> 元素来显示一个红色的矩形：</p> <div class="example_code"> <div class="hl-main"><span class="hl-brackets"><</span><span class="hl-reserved">canvas</span><span class="hl-code"> </span><span class="hl-var">id</span><span class="hl-code">=</span><span class="hl-quotes">"</span><span class="hl-string">myCanvas</span><span class="hl-quotes">"</span><span class="hl-brackets">></span><span class="hl-brackets"></</span><span class="hl-reserved">canvas</span><span class="hl-brackets">></span><span class="hl-code"> </span><span class="hl-brackets"><</span><span class="hl-reserved">script</span><span class="hl-code"> </span><span class="hl-var">type</span><span class="hl-code">=</span><span class="hl-quotes">"</span><span class="hl-string">text/javascript</span><span class="hl-quotes">"</span><span class="hl-brackets">></span><span class="hl-code"> var canvas=document.getElementById('myCanvas'); var ctx=canvas.getContext('2d'); ctx.fillStyle='#FF0000'; ctx.fillRect(0,0,80,100); </span><span class="hl-brackets"></</span><span class="hl-reserved">script</span><span class="hl-brackets">></span></div> </div> <br/> </div><hr/><h2>浏览器支持</h2><p> <img alt="Internet Explorer" height="30" src="/uploadfile/up/4e/a4/5d/6de56157646f895dc3df5461415da44e.jpg" title="Internet Explorer" width="31"/> <img alt="Firefox" height="30" src="/uploadfile/up/00/0c/91/2b336d55073fa6256944bff0e3910c00.jpg" title="Firefox" width="31"/> <img alt="Opera" height="30" src="/uploadfile/up/6f/c9/2f/2fde4bf7adb5ab30bcc93bcca92fc96f.jpg" title="Opera" width="28"/> <img alt="Google Chrome" height="30" src="/uploadfile/up/6a/8e/5a/cb756c591b627ba35012a37de65a8e6a.jpg" title="Google Chrome" width="31"/> <img alt="Safari" height="30" src="/uploadfile/up/a1/dc/41/cb5ba57a8254753663d18a4a0a41dca1.jpg" title="Safari" width="28"/></p><p>IE 9、Firefox、Opera、Chrome 和 Safari 支持 <canvas> 标签。</p><p><b>注释：</b>IE 8 或更早版本的 IE 浏览器不支持 <canvas> 标签。</p><hr/><h2>标签定义及使用说明</h2><p><canvas> 标签通过脚本（通常是 JavaScript）来绘制图形（比如图表和其他图像）。</p><p><canvas> 标签只是图形容器，您必须使用脚本来绘制图形。</p><hr/><h2>HTML 4.01 与 HTML5之间的差异</h2><p><canvas> 标签是 HTML5 中的新标签。</p><hr/><h2>提示和注释</h2><p><b>注释：</b><canvas> 元素中的任何文本将会被显示在不支持 <canvas> 的浏览器中。</p><p><b>提示：</b>如想了解 canvas 对象的所有属性和方法，请参阅<a href="co-983.html">HTML 画布参考手册</a>。</p><hr/><h2>属性</h2><p><span class="new" style="float:left">New</span> : HTML5 中的新属性。</p><table class="reference notranslate"> <tbody><tr> <th align="left" width="20%">属性</th> <th align="left" width="20%">值</th> <th align="left" width="50%">描述</th> </tr> <tr> <td><a href="co-4362.html">height</a><span class="new">New</span></td> <td><i>pixels</i></td> <td>规定画布的高度。</td> </tr> <tr> <td><a href="co-4363.html">width</a><span class="new">New</span></td> <td><i>pixels</i></td> <td>规定画布的宽度。</td> </tr> </tbody></table><h2>全局属性</h2><p><canvas> 标签支持 <a href="co-981.html">HTML 的全局属性</a>。</p><hr/><h2>事件属性</h2><p><canvas> 标签支持 <a href="co-982.html">HTML 的事件属性</a>。</p></div> <div class="pre-and-next"> <a href="co-1019.html">上一篇： <button></a> <a href="co-1021.html" >下一篇： <caption> </a> </div> </div> <div class="right-nav-con" id="rightNavCon"> <ul id="rightNavList"> <li><strong>分类导航</strong></li> <li data-type="dropdown"> <a href="javascript:;">HTML/CSS  <i class="opacity-5 fa fa-angle-down" aria-hidden="true"></i> </a> <dl 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