【javascript设计模式】构造器模式、模块模式、单例模式

1 function myObject(name){
2   this.name = name;    
3 }
4 
5 myObect.propotype = function sayName(){
6   alert(this.name);  
7 }

1 var myObj = new myObject(‘hello‘);
2 myObj.sayName();

 1 var myObject = (function($){
 2     var myName = ‘‘; //私有变量
 3     var sayName = function(){
 4         alert(myName);
 5     };
 6     return{
 7         setName : function(name){
 8              myName = name;
 9         },
10         sayName : sayName
11     }
12 })(jQuery);

1 myObject.setName(‘hello‘);
2 myObject.sayName();

 1 var myObject = (function(){
 2     var instance; //实例持有者
 3     function init( name ){
 4         var myname = name;
 5         var sayName = function(){
 6             alert(myname);
 7         };
 8         return {
 9             sayName : sayName
10         };
11     };
12     return {
13     　　getInstance : function(name){
 　　　　　　　　return instance || instance = init(name);
18 　　　　}
19     }
20 })(jQuery);            

1 var instan = myObject.getInstance(‘hello‘);
2 instan.sayName();