[javascript patterns] Javascript inheritance.

gistfile1.js

var inherit = (function () {
  var F = function () {};
  return function (C, P) {
    F.prototype = P.prototype;
    C.prototype = new F();
    C.uber = P.prototype;
    C.prototype.constructor = C;
  };
}());

// usage
var Parent = function () {};
Parent.prototype.say = function () {
  console.log('hello');
};

var Child = function () {};

inherit(Child, Parent);

var obj = new Child();
obj.say();