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1 var a={ 2 name:‘tom‘, 3 say:function(){ 4 alert(this.name) 5 } 6 }; 7 var b={ 8 name:‘jerry‘ 9 }; 10 a.say.call(b)
apply和call
原文地址:http://www.cnblogs.com/Nomand/p/4310139.html