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function class1(){
}
function class2(){
}
class2.prototype=class1.prototype;
class2.prototype.moreProperty="xxx";
class2.prototype.moreMethod1=function(){
}
var obj = new class2();
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}
class1.prototype={
method:function(){
alert(1);
};
method2:function(){
alert("method2");
}
}
function class2(){
}
for(var p in class1.prototype){
class2.prototype[p]=class1.prototype[p];
}
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class2.prototype.method={
alert(2);
}
var obj1=new class1();
var obj2=new class2();
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obj2.method();
obj1.method2();
obj2.mentod2();
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