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function Employ(name,salary){
this.name=name;
this.salary=salary;
this.getSalary=function(){
return this.salary;
};
this.addSalary=addSalary;
}
function addSalary(addtion){
return this.salary+=addtion;
}
var e1 = new Employ("cici",100);
var e2 = new Employ("titi",50);
e1.getSalary.owner="e1";
e2.getSalary.owner="e2";
alert(e1.getSalary.owner);
alert(e2.getSalary.owner);

e1.addSalary(30).owner="e1";
                                e2.addSalary(30).owner="e2";
                                alert(e1.getSalary.owner);//**
alert(e2.getSalary.owner);//**
Ϊʲô **±ê¼ÇµÄÁ½Ðв»Êä³öͬÑùµÄÖµ"e2"?
¶øÊÇÒ»¸öÊä³ö "e1" Ò»¸öÊä³ö"e2"?
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¸ã¶®ÁËÊÇÕâÑù:
function Employ(name,salary){
this.name=name;
this.salary=salary;
this.getSalary=function(){
return this.salary;
};
this.addSalary=addSalary;


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