http://www.dzhope.com/index.php zh-cn http://www.dzhope.com/post// jed <jed521@163.com> Mon, 16 Oct 2006 03:03:21 +0000 http://www.dzhope.com/post// <input type=checkbox name=mm value=b onclick="checkItem(this, 'mmAll')"><br>
<input type=checkbox name=mm value=c onclick="checkItem(this, 'mmAll')"><br>
<input type=checkbox name=mm value=d onclick="checkItem(this, 'mmAll')"><br>
<input type=checkbox name=mm value=e onclick="checkItem(this, 'mmAll')"><br><br>
<input type=checkbox name=mmAll onclick="checkAll(this, 'mm')">全选与不全选的切换

<script language=Javascript>
function checkAll(e, itemName)
{
 var aa = document.getElementsByName(itemName);
 for (var i=0; i<aa.length; i++)
  aa[i].checked = e.checked;
}
function checkItem(e, allName)
{
 var all = document.getElementsByName(allName)[0];
 if(!e.checked) all.checked = false;
 else
 {
   var aa = document.getElementsByName(e.name);
   for (var i=0; i<aa.length; i++)
    if(!aa[i].checked) return;
   all.checked = true;
 }
}
</script>

   ps:（当然若那个全选框是其它的控件比如是一个按钮，或者一个链接什么的话，那复选框里的 checkItem 点击事件可以去掉，以免出错）

Tags - 复选 ]]> http://www.dzhope.com/post//#blogcomment <user@domain.com> Thu, 01 Jan 1970 00:00:00 +0000 http://www.dzhope.com/post//#blogcomment