Let's create a javascript library
jsfiddle http://jsfiddle.net/lucianonapoli/cfjhjLc4 Moondragon library has been included via rawgit https://rawgit.com/lucnap/moondragon/master/moondragon.js
This is a great book from Addy Osmani Learning JavaScript Design Patterns
Another great book by Marijn Haverbeke http://eloquentjavascript.net
coded by Luciano Napoli