gistfile1.js

(function (parent) {

  /* Scope Private Variables */

  var example_var = 'This var is private to the closure',
      apple_count = 0; // Let's deal with counters too

  /* Fruit Object */

  var Fruit = parent.Fruit = {};

      Fruit.name = 'Fruit';

      Fruit.seal();

  
  /* Apple Object : Extends Fruit Object */

  var Apple = Object.create(Fruit, {
    name: {
      value: 'Apple'
    }
  });

  Object.defineProperty(Apple, color, {
    value: 'Red'
  });

  Object.defineProperty(Apple, number, {
    get: function () {
      return apple_count;
    }
  });

  Apple.add = function (inc) {
    apple_count += inc;
  }

}) (window || export)