<html><script>functionAggregation(name){this.mAggregationName = name;}var oItemAgg =newAggregation("item");// so far, Aggregation oject has no available methoddebugger;
Aggregation.prototype.generate=function(add, prototype){// var that = this, n = that.mAggregationName;add("getAggregation", prototype,function(){
console.log(" getAggregation should be implemented here!");});}functionadd(name, proto, fn){if(!proto[name]){
proto[name]= fn;}}
oItemAgg.generate(add, Aggregation.prototype);
oItemAgg.getAggregation();debugger;varSub=function(name){
Aggregation.call(this, name);// sub own logic here };
Sub.prototype =newAggregation();var subAggregation =newSub("Sub");debugger;</script>
