inheritance of private members in javascript without prototype

gistfile1.js

function animal(p){

	var note = "a note from animal";
	var name = p
	
	this.getNote=function(){return note}
	this.setNote=function(value){note = value}
	
	this.getName=function(){return name;}
	this.setName=function(value){name=value;}
	
	test=function(){return 'this is a test';}
	this.callTest=function(){return test();}

}

function dog(p){
	var self = new animal(p);
	
	var specy = "???";
	
	self.getSpecy=function(){return specy}
	self.setSpecy=function(value){specy = value}
	
	self.hello = function(){return 'Hello from '+self.getName();}
	
	return self;
}

function puppy(p){
	var self = new dog(p);
	return self;
}

a = new animal("Bouba");
b = new dog("Rex"); b.setNote("a note from Rex"); b.setSpecy("Berger Belge");
c = new dog("Wolf"); c.setNote("a note from Wolf"); c.setSpecy("Chien Loup");
d = new puppy("Junior"); d.setNote("a note from Junior"); d.setSpecy("Caniche");
e = new puppy("Germaine"); e.setNote("a note from Germaine"); e.setSpecy("York");

console.log(a.getName()+' '+a.getNote());

console.log(d.getName()+' '+d.getNote()+' '+d.getSpecy());
console.log(e.getName()+' '+e.getNote()+' '+e.getSpecy());

console.log(b.getName()+' '+b.getNote()+' '+b.getSpecy());
console.log(c.getName()+' '+c.getNote()+' '+c.getSpecy());

console.log(b.hello());
console.log(c.hello());
console.log(b.hello());
console.log(d.hello());
console.log(e.hello());

console.log(e.callTest());