gistfile1.txt

//
// "Framework"
//
window.object = Object.prototype;

Object.define = function(arg) {
  var prototype = arg.__prototype__ || Object.prototype;
  var object = Object.create(prototype);
  var property;

  for (property in arg) {
    if (arg.hasOwnProperty(property)) {
      object[property] = arg[property];      
    }
  }

  delete object.__prototype__;
  return object;
}

//
// Example
//
var animal = Object.define({
  __prototype__: object,

  init: function(name) {
    this.name = name;
    return this;
  },

  move: function(meters) {
    console.log(this.name + " moved " + meters + "m.");
  },
});

var snake = Object.define({
  __prototype__: animal,

  move: function() {
    console.log("Slithering...");
    animal.move.apply(this, arguments);
  },
});

var horse = Object.define({
  __prototype__: animal,

  move: function() {
    console.log("Galloping...");
    animal.move.apply(this, arguments);
  },
});

var sam = Object.create(snake).init("Sammy the Python");
var tom = Object.create(horse).init("Tommy the Palomino");

sam.move(10);
tom.move(120);