Learn more about AJAX, a technique that uses JavaScript and the XMLHTTPRequest object to create faster and better interactive web apps.

Changing Content With a Dropdown in AJAX. Asynchronous JavaScript and XML can make your business Web pages more responsive and interactive. AJAX technology allows site visitors to use drop-down ...

Of all the hats JavaScript can wear, its form-processing features are among the most sought and used. Learn how to use JavaScript for form processing, validation, and more.