javascript里的封装

 1 var myObject = =(function(){
 2     var privateValue;
 3     function privateMethod(){}
 4 
 5     return {
 6          getValue: function(){
 7              return privateValue;
 8          },
 9          publicMethod: function(){}
10     };
11 
12 })();

 1 var ObjFactory = (function(){
 2     function Constructor(){
 3         var privateValue;
 4         return {
 5             getValue: function(){return privateValue;}
 6         };
 7     }
 8 
 9     return {
10          getInstance: function(){return Constructor();}
11     };
12 })();

var aService = (function(){
    function realMethod1(){}
    function realMethod2(){}

    return {
        method1: realMethod1,
        method2: realMethod2
    };
})();