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JavaScript The Complete Reference, 3rd Edition by Fritz Schneider, Thomas Powell

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CHAPTER 15Ajax and Remote JavaScript

Ajax (Asynchronous JavaScript and XML) encompasses much more than the technologies that make up this catchy acronym. The general term Ajax describes the usage of various Web technologies to transform the sluggish batch submission of traditional Web applications into a highly responsive, near-desktop-software-like user experience. However, such a dramatic improvement does come with the price of a significant rise in programming complexity, increased network concerns, and new user experience design challenges.

This chapter presents a complete overview of the XMLHttpRequest object that is at the heart of most Ajax applications. It also serves as an introduction to the challenges of using remote JavaScript for ...

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