The internet is full of tutorials explaining those little tricks about AJAX, how to handle XHRequests and all that low level stuff, but nobody tells you how to design the entire application, nobody gives you the overview on how all these things should work together. What good is knowing all those fragments if the developer is unable to put them together to a real use? We have libraries to abstract from the Browser dependant things like actually doing XMLHTTPRequests, and we should concentrate on higher level design to give our clients (or visitors) good and usefull applications.
By now the entire World has heard about AJAX, even those who dont care about Web-Development have seen the potential of this new technology. Everybody is tired of endless introductions on how cool AJAX is and those endless lists of good examples like Google Suggest, GMail and alike, so I decided to cut a long story short and jump right into the real tutorial.
Is this tutorial any different from the others? Well yes and no, it is different in being a tutorial on how to design and build a complete site and not just some fancy little details like how to turn caching in AJAX off or how to create a fancy widget. To keep the tutorial readable, and to avoid having to implement low level functionality,
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