Join Joe Chellman for an in-depth discussion in this video Updating information without reloading the page using AJAX, part of jQuery Data with AJAX.
And indeed, you can grab data from just about anywhere at all, which is something we're going to be looking at later in this chapter. This technique also powers a lot of mobile apps. So if you're looking to get into building something for IOS or Android, and you know web technologies, becoming familiar with AJAX will be really helpful. So, that's what AJAX is, now let's look at how you can acutally use this technology in jQuery
This course is a short companion piece to jQuery for Web Designers. See that course for information about building your core jQuery skill set.