Professional Ajax, 2nd Edition (Programmer to Programmer)

图书介绍

Professional Ajax 2nd Edition provides a developer-level tutorial of Ajax techniques, patterns, and use cases. The book begins by exploring the roots of Ajax, covering how the evolution of the web and new technologies directly led to the development of Ajax techniques. A detailed discussion of how frames, JavaScript, cookies, XML, and XMLHttp requests (XHR) related to Ajax is included. After this introduction, the book moves on to cover the implementation of specific Ajax techniques. Request brokers such as hidden frames, dynamic iframes, and XHR are compared and contrasted, explaining when one method should be used over another. To make this discussion clearer, a brief overview of HTTP requests and responses is included.



Once a basic understanding of the various request types is discussed, the book moves on to provide in-depth examples of how and when to use Ajax in a web site or web application. Different data transmission formats, including plain text, HTML, XML, and JSON are discussed for their advantages and disadvantages. Also included is a discussion on web services and how they may be used to perform Ajax techniques. Next, more complex topics are covered. A chapter introducing a request management framework explores how to manage all of the requests inside of an Ajax application. Ajax debugging techniques are also discussed.



The last part of the book walks through the creation of two full-fledged Ajax web applications. The first, FooReader.NET, is an Ajax-powered RSS reader. The second, called AjaxMail, is an Ajax-enabled email system. Both of these applications incorporate many of the techniques discussed throughout the book.



Professional Ajax 2nd edition is written for Web application developers looking to enhance the usability of their web sites and web applications and intermediate JavaScript developers looking to further understand the language. Readers should have familiarity with XML, XSLT, Web Services, PHP or C#, HTML, CSS. This book is not aimed at beginners without a basic understanding of the aforementioned technologies. Also, a good understanding of JavaScript is vitally important to understanding this book. Those readers without such knowledge should instead refer to books such as Beginning JavaScript, Second Edition (Wrox, 2004, ISBN: 978-0-7645-5587-9) and Professional JavaScript for Web Developers (Wrox, 2005, ISBN: 978-0-7645-7908-0).



Professional Ajax 2nd edition adds nearly 200 pages of new and expanded coverage compared to the first edition. Some of the new topics covered here include:

Ajax Libraries including the Yahoo! Connection Manager, Prototype, and jQuery

Request Management with Priority Queues and the RequestManager Object

Comet push-based web systems and HTTP streaming

Maps and Mashups with Geocoding, Google Maps API and Yahoo! Maps API

Ajax Debugging with FireBug and Microsoft Fiddler



ASP.NET AJAX Extensions (formerly code-named Atlas)



And of course the Second Edition retains and updates the core first edition content including:

the range of request brokers (including the hidden frame technique, iframes, and XMLHttp) and explains when one should be used over another

different Ajax techniques and patterns for executing client-server communication

Ajax patterns including predictive fetch, page preloading, submission throttling, incremental field and form validation, periodic refresh, multi-stage download and more

Syndication with RSS, Atom, and XParser

JSON and creating an autosuggest textbox example

web site widgets for a news ticker, weather information, web search, and site search

Ajax Frameworks JSpan, DWR, and Ajax.NET Professional

A Web-based RSS/Atom aggregator case study

An AjaxMail case study

Book Info:
Published in 2007
Published by Wrox
Author Nicholas C. Zakas
ISBN 0470109491  Size 5.44MB

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