The VuPoint application

Let's turn our attention again to our application code. We will start with the user interface aspect of our application. This is the code that handles the user's interaction with the application. Since this is a web application, this code will run in a web browser. JavaScript has become the de facto language for writing code that runs in a web browser.

jQuery

As mentioned previously, we need to have a few places to write code. In the previous chapter this was mainly in the database. Here we're turning our attention to the server (PHP) and client (jQuery).

Before we go any further, let's create a directory structure for the VuPoint application inside the root (www) folder of our Wamp Server installation. This is what you should have when you're done:

jQuery is a popular open source JavaScript framework that allows us to search for (or query) items in browsers using Document Object Model (DOM) and interact with those items. Hence the name jQuery. One of the main advantages...