<!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 runat="server">
<title>jQuery实现CheckBox全选、全不选</title>
<script src="jquery-1.6.2.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(function() {
$("#checkAll").click(function() {
$('input[name=subBox]').attr("checked",this.checked);
});
var $subBox = $("input[name='subBox']");
$subBox.click(function(){
$("#checkAll").attr("checked",$subBox.length == $("input[name='subBox']:checked").length ? true : false);
});
$("#reverse").click(function(){
$subBox.each(function(){
if($(this).attr("checked")){
$(this).attr("checked", false);
}else{
$(this).attr("checked", true);
}
})
})
});
</script>
</head>
<body>
<div>
<input id="checkAll" type="checkbox" />全选
<input id="reverse" type="checkbox" />反选
<input name="subBox" type="checkbox" />项1
<input name="subBox" type="checkbox" />项2
<input name="subBox" type="checkbox" />项3
<input name="subBox" type="checkbox" />项4
</div>
</body>
</html>
