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An Introduction To Ajax
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08/29/2005, By David Teare
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As J2EE developers, it seems we are constantly focused on backend mechanics. Often, we forget that the main success of J2EE has been around the Web application; people love developing applications that utilize the Web for many reasons, but mainly because the ease of deployment allows a site to have millions of users with minimal cost. Unfortunately, over the years we have invested too much time in the back end and not enough time in making our Web user interfaces natural and responsive to our users.
This article introduces a methodology, Ajax, you can use to build more dynamic and responsive Web applications. The key lies in the combination of browser-side JavaScript, DHTML, and asynchronous communication with the server. This article also demonstrates just how easy it is to start using this approach, by leveraging an Ajax framework (DWR) to construct an application that communicates with backend services directly from the browser. If used properly, this tremendous power allows your application to be more natural and responsive to your users, thereby providing an improved browsing experience.
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