download - JavaScript: The Basics and Overview of Working with AJAX -lynda

Working with AJAX provides you with in-depth training on Developer. Taught by Simon Allardice as part of the JavaScript Essential Training

Working with AJAX

One of the reasons for the resurgence of JavaScript in recent years is the enormous popularity of what's come to be known as AJAX. Now, AJAX sounds like a separate technology or a language; it isn't. It's just a useful buzzword to describe a cool technique we can do with JavaScript. While it officially stands for Asynchronous JavaScript and XML, well, it's really more to do with AJAX being a good acronym than anything else, because it doesn't even require XML. As far as we're concerned, AJAX is JavaScript.

It's just a very specific use of it. What it means is that after a web page has opened in the user's browser, we can have JavaScript behind the scenes communicate back to the server, even pass and retrieve data, and update parts of the page without the entire page itself needing to reload. A simple example, if you've used, for example, Google, and started typing, and found it able to start to fill out the information that it thinks you're looking for and actually update the page as you'...

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download - JavaScript: The Basics and Overview of Working with AJAX -lynda