案例：XML DOM案例     状态：可编辑再运行    进入竖版
 运行结果　
​x
 
1
<html>
2
<head>
3
<script type="text/javascript" src="/example/xdom/loadxmldoc.js"></script>
4
</head>
5
<body>
6
​
7
<script type="text/javascript">
8
xmlDoc=loadXMLDoc("/example/xdom/books.xml");
9
​
10
newComment=xmlDoc.createComment("Revised March 2008");
11
​
12
x=xmlDoc.getElementsByTagName("book")[0];
13
x.appendChild(newComment);
14
​
15
document.write(x.lastChild.nodeValue);
16
</script>
17
</body>
18
</html>
19
​