Implement MVC and PubSub in JavaScript

Image may be NSFW.
Clik here to view.

We know what is MVC? MVC stands for Model-View-Controller. In simple words, MVC is a design technique in which application components are divided into 3 groups so that they can be developed separately without concerning, how they will interact. If build properly, few configuration code will bind them and they will be ready to use. [...]