callback de jquery

http://api.jquery.com/jquery/#jQuery3
http://jasonwyatt.tumblr.com/post/866536821/anonymous-classes-with-javascript-and-self-calling
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Introduction_to_Object-Oriented_JavaScript
http://stackoverflow.com/questions/10835184/anonymous-classes-in-my-javascript
http://fernetjs.com/2011/10/alcance-de-variables-parte-2-funciones/