代码示例：（标识：xdom_attr_nodename）
<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('book');
for(i=0;i<x.length;i++)
{
document.write(x.item(i).attributes[0].nodeName);
document.write(" = ");
document.write(x.item(i).attributes[0].nodeValue);
document.write(" (nodetype: " + x.item(i).attributes[0].nodeType + ")");
document.write("<br />");
}
</script>
</body>
</html>
