菜鸟教程在线编辑器

AI 编程工具

 
                <!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body>

<form name="Form1"></form>
<form name="Form2"></form>
<form></form>
<p>表单数目:
<script>
document.write(document.forms.length);
</script></p>

</body>
</html>
              