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  this.a=function(){
  alert("Parent Method count");
}}

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function Children() {
/*
  this.a = function(cc) {
  alert("Child Method count" + cc);
  }
*/
  }


var c = new Children();


c.a();



function Parent() {
   
  this.a=function(){
  alert("Parent Method");
}}

Children.prototype = new Parent();

function Children() {

  this.b = funct


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