代码示例:(标识:xdom_getelementsbytagname)
<html>
<head>
<script type="text/javascript" src="/static/demo/html/js/loadxmldoc.js"></script>
</head>
<body>

<script type="text/javascript">

xmlDoc=loadXMLDoc("/static/demo/xdom/books.xml");

x=xmlDoc.getElementsByTagName("title")[0]
y=x.childNodes[0];
document.write(y.nodeValue);

</script>
</body>
</html>
运行结果: