参数
name
必选项。form的ID
返回值
表单内元素数组
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示例
<form method="post" name="reg" action=""><input type="text" name="username" />
<input type="password" name="password" />
<input type="button" name="button1" value="获取表单元素" onclick="test()" />
</form>
<script language="javascript">
function test(){
alert(Form.getElements("reg").length);
//3 (username, password, button1)
}
</script>