案例：XML DOM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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<script type="text/javascript" src="/example/xdom/loadxmldoc.js">
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</script>
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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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xmlDoc=loadXMLDoc("/example/xdom/books.xml");
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​
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x=xmlDoc.getElementsByTagName('title');
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​
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//add a new attribute to each title element
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for(i=0;i<x.length;i++)
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{
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x[i].setAttribute("edition","first");
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}
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​
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//Output title and edition value
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for (i=0;i<x.length;i++)
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{
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document.write(x[i].childNodes[0].nodeValue);
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document.write(" - Edition: ");
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document.write(x[i].getAttribute('edition'));
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document.write("<br />");
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}
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</script>
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</body>
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</html>
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​