HTML DOM id 属性
Link 对象参考手册定义和用法
The id property sets or returns the id of a link element.
语法
linkObject.id=id
实例
The following example outputs the id of a link element:
<html>
<head>
<link rel="stylesheet" type="text/css"
id="style1" href="link.css" />
</head>
<body>
<script type="text/javascript">
x=document.getElementById("style1");
document.write("Id of link=" + x.id);
</script>
</body>
</html>Get the id of a <link> element