​x
 
<html>
<head>
<script type="text/javascript" src="/example/xdom/loadxmldoc.js"> 
</script>
</head>
<body>
​
<script type="text/javascript">
xmlDoc=loadXMLDoc("/example/xdom/books.xml");
​
x=xmlDoc.getElementsByTagName('book');
​
x[0].setAttribute("category","child");
​
document.write(x[0].getAttribute("category"));
</script>
</body>
</html>
​