js设计模式之单例模式

 1     var xiaowang = (function(argument){
 2             var xiaowangjia = function(message){
 3                 this.menling = message;
 4             }
 5             // function xiaowangjia(message){
 6                 // this.menling = message;
 7             // }
 8             var men ;
 9             var info={
10                 sendMessage:function(message){
11                     if(!men){
12                         men= new xiaowangjia(message);
13                     }
14                     return men;
15                 }
16             }
17             return info;
18         })();
19 
20         var xiaoli = {
21             callxiaowangjia:function(msg){
22                 var _xw = xiaowang.sendMessage(msg);
23                 alert(_xw.menling);
24                 _xw = null;
25             }
26         }
27         xiaoli.callxiaowangjia("dididi");