OOLO

oolo.md

var Foo = {
  init: function(who) {
    this.me = who;
  },
  identify: function() {
    return "I am " + this.me;
  }
}

var Bar = Object.create(Foo);

Bar.speak = function () {
  console.log('Hello, ' + this.identify() + ".");
}

var b1 = Object.create(Bar);
b1.init('b1')
b1.speak();