To demonstrate the true power of jQuery, we’re going to make a fully featured Ajax chat application. This will allow users to post messages, and automatically update itself — all without any page refreshes. As we’re now dealing with a slightly more complex application, I’ll also take you deeper into jQuery, demonstrating other handy functions.
First, we’ll plan out the application. We won’t need much for this app — a front end, a back end, and the jQuery library. However, there will be a fair bit of code for both the back and front ends of the app, so our basic plan will let you know what to expect from the system. Continue reading