jQuery实现CheckBox全选、全不选 - www.


        $(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);
            });
        });