Add shoppingCart object and persist to localStorage by add two function in the prototype of Array
Add event handles for each button and update the cart count and sum price
Add a function of item list printing
Change the underscore each to jquery's
Refactor the loop of Array.getElementByKey
Refactor the loop of ShoppingCart.updateCart
Fix the bug of item count in index.html
Change ShopingCart.updateCart to private
Refactor loop in ShopingCart.updateCart with lodash
Add angular.min.js.map file
Refactor the methods of Array.prototype
Merge pull request #2 from SanCoder-Q/SanCoder

Story #1 implementation