一道js试题

直接上试题

 1 <script type="text/javascript">
 2     var output = '123js';
 3     var object = {
 4         output : "1234",
 5         get : function(){
 6             return function(){
 7                 return this.output
 8             }
 9         }
10     }
11     console.log(object.get()())
12 </script>

答案是:123js 你猜对了吗