JavaScript: 20 Lessons to Successful Web Development

Using Ajax

         To view the accompanying video for this lesson, please visit mhprofessional.com/nixonjavascript/.

Ajax is the power behind what came to be known as Web 2.0. It transformed the Internet because it replaced static pages that had to be posted using forms to make changes with much simpler behind-the-scenes communication with a web server, so that you merely had to type on a web page for that data to get sent to the server. Likewise, Ajax-enabled sites offer assistance whenever you need it, for example, by instantly telling you whether ...