日期:2014-05-17 浏览次数:20843 次
<html>
<head>
<script type="text/javascript">
function checkEvent(name,allCheckId)
{
  var allCk=document.getElementById(allCheckId);
  if(allCk.checked==true)
  checkAll(name);
  else
  checkAllNo(name);
  
}
//全选
function checkAll(name)
{
  var names=document.getElementsByName(name);
  var len=names.length;
  if(len>0)
  {
   var i=0;
   for(i=0;i<len;i++)
   names[i].checked=true;
    
  }
}
//全不选
function checkAllNo(name)
{
  var names=document.getElementsByName(name);
 var len=names.length;
 if(len>0)
  {
    var i=0;
    for(i=0;i<len;i++)
    names[i].checked=false;
  }
}
//反选
function reserveCheck(name)
{
  var names=document.getElementsByName(name);
 var len=names.length;
 if(len>0)
 {
 var i=0;
   for(i=0;i<len;i++)
   {
     if(names[i].checked)
     names[i].checked=false;
     else
     names[i].checked=true;
     
   }
 } 
}
</script>
</head>
<body>
<input type="checkbox" id="ckall" onclick="checkEvent('ck','ckall')" />全选
<input type="checkbox" id="ckReserve" onclick="reserveCheck('ck','ckReserve')" />反选
    <br />
<input type="checkbox" name="ck" value="1" />篮球
    <br />
<input type="checkbox" name="ck" value="2" />旅游
    <br />
<input type="checkbox" name="ck" value="3" />读书
 <br />
<input type="checkbox" name="ck" value="4" />美食
    <br />
<input type="checkbox" name="ck" value="5" />睡觉
</body>
</html>