Js - Object.create

JavaScript

var Mammal = {
    name: "Bob",
    something: "Else"
}; 

var cat = Object.create(Mammal);
console.log(cat.name);

cat.name = "new name";
console.log(cat.name);

cat.saying = "Purr...";
console.log(cat.saying);

cat.f = function() {
    return "fffff";
};
console.log(cat.f());