maillist.html

深入JavaWeb开发内幕核心基础书中源码

<script language="javascript">
	function checkAll()
	{
		var count = document.mailForm.mail.length;
		for(var i=0; i<count; i++)
		{
			document.mailForm.mail[i].checked = 
				document.mailForm.ifAll.checked;	
		}
	}
</script>	
<form name="mailForm">
	<input type="checkbox" name="mail" value="1">邮件1<br>
	<input type="checkbox" name="mail" value="2">邮件2<br>
	<input type="checkbox" name="mail" value="3">邮件3<br>
	<input type="checkbox" name="ifAll" onclick="checkAll()">全选
</form>