CoffeeScript to JS closure and context demonstration

beany.coffee

class @Beany extends Array
  constructor: (@souffle = true) -> console.log @souffle

beany = new Beany

beany.js

// Generated by CoffeeScript 1.4.0
(function() {
  var beany,
    __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; };

  this.Beany = (function(_super) {

    __extends(Beany, _super);

    function Beany(souffle) {
      this.souffle = souffle != null ? souffle : true;
      console.log(this.souffle);
    }

    return Beany;

  })(Array);

  beany = new Beany;

}).call(this);