日期:2014-05-16 浏览次数:20505 次
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title></title>
 
</head>
<body>
 全选<input type="checkbox" onclick="checkall(this.checked)" />
 <div>
 选项一 <input  type="checkbox" name="ck" /><br />
 选项二 <input  type="checkbox" name="ck" /><br />
 选项三 <input  type="checkbox" name="ck" />
 </div>
 
  
 <script type="text/javascript" >
     function checkall(checked) {
         var ocks = document.getElementsByName("ck");
         for (var i = 0; i < ocks.length; i++) {
             ocks[i].checked = checked;
          }
     }
     
 </script>
 
</body>
</html>