The id property sets or returns the id of a link element.
linkObject.id=id
The following example outputs the id of a link element:
<html>
<head>
<link rel="stylesheet" type="text/css"
id="style1" href="try_dom_link.css" />
</head>
<body>
<script type="text/javascript">
x=document.getElementById("style1");
document.write("Id of link=" + x.id);
</script>
</body>
</html>