JAVASCRIPT

Object.create Polyfill

if (!Object.create) {
  Object.create = function(base) {
    function F() {};
    F.prototype = base;
    return new F();
  }
}

!Object.construct polyfill

if (!Object.construct) {
  Object.construct = function(base) {
    var instance = Object.create(base);
    if (instance.initialize)
      instance.initialize.apply(instance, [].slice.call(arguments, 1));
    return instance;
  }
}