案例：javascript案例     状态：可编辑再运行    进入竖版
 运行结果　
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<html>
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<head>
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<link rel="stylesheet" type="text/css"
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id="style1" href="/example/hdom/try_dom_link.css" />
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​
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<script type="text/javascript">
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function disableStyle()
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{
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document.getElementById("style1").disabled=true
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}
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</script>
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</head>
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<body>
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​
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<form>
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<input type="button" onclick="disableStyle()" value="Disable style sheet" />
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</form>
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​
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</body>
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</html>
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​