<![CDATA[<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>W3C菜鸟教程(w3cdata.com)</title>
</head>
<body>
<a rel='external nofollow' title=''id="w3cdata" charset="ISO-8859-1" href="//www.w3cdata.com/">菜鸟教程</a><br>
<script>
document.write("返回链接的charset: ");
document.write(document.getElementById('w3cdata').charset);
document.write("<br><br>");
</script>
<a rel='external nofollow' title=''id="google" href="//www.google.com/">Google</a><br>
<script>
document.getElementById('google').charset="utf-8";
document.write("设置链接的charset: ");
document.write(document.getElementById('google').charset);
</script>
</body>
</html>]]>