SOURCE

var person = {
		name : "Nicholas",
		friends : ["Shelby","Court","Van"]
	};
	
	var anotherPerson = Object.create(person);
	anotherPerson.name = "Greg";
	anotherPerson.friends.push("Rob");
	
	var yetAnotherPerson = Object.create(person);
	yetAnotherPerson.name = "Linda";
	yetAnotherPerson.friends.push("Barbie");
	
	alert(person.friends);