xxxxxxxxxx
<html>
<head>
<meta charset="utf-8">
<title>W3Cschool教程(w3cschool.cn)</title>
</head>
<body>
<p><a id="w3s" href="http://www.w3cschool.cn/">W3Cschool教程</a></p>
<script>
document.write("返回 href 链接: ");
document.write(document.getElementById('w3s').href);
</script>
</body>
</html>