Random extend example

extendCoffeeStyle.coffee

class Orange extends Fruit
  constructor: ->
    console.log 'Orange created'

  peel: ->
    console.log 'Oh god, that hurts'

orange = new Orange()
orange.peel()

extendCoffeeStyle.compiled.js

var Orange, orange,
  __hasProp = {}.hasOwnProperty,
  __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };

Orange = (function(_super) {
  __extends(Orange, _super);

  function Orange() {
    console.log('Orange created');
  }

  Orange.prototype.peel = function() {
    return console.log('Oh god, that hurts');
  };

  return Orange;

})(Fruit);

orange = new Orange();

orange.peel();

extendJsStyle.js

var util = require('util');

var Orange = function() {
  console.log('Orange created');
};

util.inherits(Orange, Fruit);

Orange.prototype.peel = function() {
  console.log('Oh god, that hurts');
};

var orange = new Orange();
orange.peel();