compiled javascript code from coffee to show difference between thin arrow and fat arrow

gistfile1

(function() {
  var A,
    __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };

  A = (function() {

    function A(msg) {
      this.msg = msg;
      this.fat = __bind(this.fat, this);

    }

    A.prototype.thin = function() {
      return alert(this.msg);
    };

    A.prototype.fat = function() {
      return alert(this.msg);
    };

    return A;

  })();

}).call(this);