Professional Ajax (ePub)

Professional Ajax 2nd Edition provides a developer-level tutorialof Ajax techniques, patterns, and use cases. The book begins byexploring the roots of Ajax, covering how the evolution of the weband new technologies directly led to the development of Ajaxtechniques. A detailed discussion of how frames, JavaScript,cookies, XML, and XMLHttp requests (XHR) related to Ajax isincluded. After this introduction, the book moves on to cover theimplementation of specific Ajax techniques. Request brokers such ashidden frames, dynamic iframes, and XHR are compared andcontrasted, explaining when one method should be used over another.To make this discussion clearer, a brief overview of HTTP requestsand responses is included.Once a basic understanding of the various request types isdiscussed, the book moves on to provide in-depth examples of howand when to use Ajax in a web site or web application. Differentdata transmission formats, including plain text, HTML, XML, andJSON are discussed for their advantages and disadvantages. Alsoincluded is a discussion on web services and how they may be usedto perform Ajax techniques. Next, more complex topics are covered.A chapter introducing a request management framework explores howto manage all of the requests inside of an Ajax application. Ajaxdebugging techniques are also discussed.Professional Ajax 2nd edition is written for Web applicationdevelopers looking to enhance the usability of their web sites andweb applications and intermediate JavaScript developers looking tofurther understand the language. Readers should have familiaritywith XML, XSLT, Web Services, PHP or C#, HTML, CSS.Professional Ajax 2nd edition adds nearly 200 pages of new andexpanded coverage compared to the first edition.