日期:2014-05-17  浏览次数:20751 次

HTML&JavaScript实现全选小例子
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>全选或其全不选</title>
<script language="javascript">
function checkAll()
{
 var allCheckBoxs=document.getElementsByName("isBuy");
 for(var i = 0; i<allCheckBoxs.length;i++)
 {
  if(allCheckBoxs[i].type="checkbox")
  {
	if(allCheckBoxs[i].checked==true){
		allCheckBoxs[i].checked=false;
	}else if(allCheckBoxs[i].checked==false){
		allCheckBoxs[i].checked=true;
	}
  }
 }
}
</script>
</head>
<body>
<a href="javascript:checkAll(true)">全选</a>
<a href="javascript:checkAll(false)">全不选</a>
<input type="checkbox" name="" onclick="javascript:checkAll()">全选
<table width="250" height="194" border="0">
  <tr>
   <td width="105"> <input type="checkbox" name="isBuy" /> </td>
    <td width="129" colspan="2">张三</td>
  </tr>
  <tr>
    <td width="105"> <input type="checkbox" name="isBuy" /></td>
    <td width="129" colspan="2">李四</td>
  </tr>
  <tr>
  <td width="105" > <input type="checkbox" name="isBuy"/></td>
    <td width="129" colspan="2">王麻子</td>
  </tr>
   <td width="105"> <input type="checkbox" name="isBuy"/></td>
    <td width="129" colspan="2">赵六</td>
  </tr>
</table>
</body>
</html>