对ajax返回的json内容排序的方法分享

<script>
//排序json内容
$.post("json.json",function(data){
               data.sort(function(a,b){return a.num-b.num;});
               for(var i=0;i<data.length;i++){
                    var nums=data[i].num;
                    document.writeln(nums);
               } //by www.jb200.com
          },"json")
</script>