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JavaScript by Example, Second Edition by Ellie Quigley

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Chapter 18. An Introduction to Ajax (with JSON)

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18.1 Why Ajax?

JavaScript has gone through kind of a Renaissance of its own since this book was first published in 2002 largely due to the hype and promises it offers. Traditionally Web applications have been somewhat clumsy and slow, and the level of interactivity and usability inferior to their counterpart desktop applications, yet the number of Web applications available continues to grow at an amazing rate. Part of that growth has been spurred on by AJAX, “Asynchronous JavaScript and XML,”1 not a new programming language, but a methodology for creating fast, rich, user-friendly, and interactive ...

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