案例：javascript案例     状态：可编辑再运行    进入竖版
 运行结果　
​x
 
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<html>
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<head>
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<link rel="stylesheet" type="text/css" media="screen"
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id="style1" href="/example/hdom/try_dom_link.css" />
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</head>
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<body>
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​
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<script type="text/javascript">
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x=document.getElementById("style1");
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document.write("Intended media type=" + x.media);
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</script>
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​
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</body>
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</html>
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​