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Ajax Starter Kit by Phil Ballard

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13. AHAH—Asynchronous HTML and HTTP

In this lesson you will learn how to use AHAH (Asynchronous HTML and HTTP) to build Ajax-style applications without using XML.

Introducing AHAH

You saw in Lesson 12, “Returning Data as Text,” just how much can be achieved with an Ajax application without using any XML at all. Many tasks, from simply updating the text on a page to dealing with complicated data structures, can be carried out using only the text string whose value is returned in the XMLHTTPRequest object’s responseText property.

It is possible to build complete and useful applications without any XML at all. In fact, the term AHAH (Asynchronous HTML and HTTP) has been coined for just such applications.

This lesson takes the concepts of Lesson ...

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