<!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>jQuery实现checkbox全选全取消</title>
<script type="text/javascript" src="js/jquery-1.3.2.min.js"></script>
<script type="text/javascript">
function selectAll(obj){
var b = $(obj).attr("checked");
$("#boxes input").each(function(){
$(this).attr("checked",b);
});
}
</script>
</head>
<body>
<div><input id="Checkbox1" type="checkbox" onclick="selectAll(this);" />全选</div>
<div id="boxes">
<input id="Checkbox2" type="checkbox" />001<br />
<input id="Checkbox3" type="checkbox" />001<br />
<input id="Checkbox4" type="checkbox" />001<br />
</div>
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>jQuery实现checkbox全选全取消</title>
<script type="text/javascript" src="js/jquery-1.3.2.min.js"></script>
<script type="text/javascript">
function selectAll(obj){
var b = $(obj).attr("checked");
$("#boxes input").each(function(){
$(this).attr("checked",b);
});
}
</script>
</head>
<body>
<div><input id="Checkbox1" type="checkbox" onclick="selectAll(this);" />全选</div>
<div id="boxes">
<input id="Checkbox2" type="checkbox" />001<br />
<input id="Checkbox3" type="checkbox" />001<br />
<input id="Checkbox4" type="checkbox" />001<br />
</div>
</body>
</html>