var person = {
  init : function(id , name) {
    this.id = id;
    this.name = name;
  },
  getName : function() {
    console.log(this.name);
  }
};

person.init(111, "Deepak");
person.getName();               // "Deepak"


function getObject(obj) {
  var extendObj = Object.create(obj);
  var argu = [];
  for(var i=1; i < arguments.length; i=i+1) {
    argu.push(arguments[i]);
  }
  obj.init.apply(extendObj,argu);
  return extendObj;
}

var p1 = getObject(person , 121 , "Chetan");
//var p1 = Object.create(person);
//p1.init(121 , "Chetan");

p1.getName();                 // "Chetan"