<html>
<body>
<a name="html">HTML Tutorial</a><br />
<a name="css">CSS Tutorial</a><br />
<a name="xml">XML Tutorial</a><br />
<a href="/js/">JavaScript Tutorial</a><p>Number of anchors:
<script type="text/javascript">
document.write(document.anchors.length);
</script></p></body>
</html>
这个事3:<html>
<body><form name="Form1"></form>
<form name="Form2"></form>
<form></form><p>Number of forms:
<script type="text/javascript">
document.write(document.forms.length);
</script></p></body>
</html>
后面的那个是指form了 所以有3个