JavaScript: Build an AJAX Powered Shopping Cart

The NETTUTS community asked for it. So here you are! One of the innovations of the web is online shopping. It allows us to buy things without ever leaving the comfort of our homes. However, the most basic element of online shopping, the shopping cart, has not evolved much. In this tutorial, we're going to make an AJAX powered shopping cart using PHP, jQuery, and a few nifty plugins.