1 var name = "window"; 2         var foo = { 3             name: "hello", 4             setName:function(){ 5                 return function(){ 6                     return this.name; 7                 }; 8             } 9         };10         alert(foo.setName()());  11 // window

 1 var name = "window"; 2         var foo = { 3             name: "hello", 4             setName:function(){ 5                 var that = this; 6                 return function(){ 7                     return that.name; 8                 }; 9             }10         };11         alert(foo.setName()());12 //hello