<html>
<body>
<p>
<a href="/html/default.asp">HTML</a>
<br>
<a href="/css/default.asp">CSS</a>
</p>
<p id="demo"></p>
<script>
document.getElementById("demo").innerHTML =
"第一个链接的 href 是 " + document.links[0].href;
</script>
</body>
</html>