JavaScript中this指针指向的彻底理解

 1      var object = {
 2             name : ‘The Kite Runner‘,
 3             obj : {
 4                 name : ‘childProperty‘,
 5                 fn : function(x, y){
 6                     var result = x + y;
 7                     console.log(‘this-context‘+this);
 8                     console.log(‘this-property‘+this.name);
 9                     console.log(‘result‘+result);
10                 }
11             }
12         }
13 
14         var f = object.obj.fn;  //函数引用
15 
16         f();  // this --window
17 
18         //修改this指向--object.obj对象
19         f.apply(object.obj, [10,25]); 
20         f.call(object.obj, 25,45);