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Is Ajax a new technology, or the same old stuff web developers have been using for years? Both, actually. This book demonstrates not only how tried-and-true web standards make Ajax possible, but how these older technologies allow you to give sites a decidedly modern Web 2.0 feel. Ajax: The Definitive Guide explains how to use standards like JavaScript, XML, CSS, and XHTML, along with the XMLHttpRequest object, to build browser-based web applications that function like desktop programs. You get a complete background on what goes into today's web sites and applications, and learn to leverage these tools along with Ajax for advanced browser searching, web services, mashups, and more. You discover how to turn a web browser and web site into a true application, and why developing with Ajax is faster, easier and cheaper. The book also explains: How to connect server-side backend components to user interfaces in the browser Loading and manipulating XML documents, and how to replace XML with JSON Manipulating the Document Object Model (DOM) Designing Ajax interfaces for usability, functionality, visualization, and accessibility Site navigation layout, including issues with Ajax and the browser's back button Adding life to tables & lists, navigation boxes and windows Animation creation, interactive forms, and data validation Search, web services and mash-ups Applying Ajax to business communications, and creating Internet games without plug-ins The advantages of modular coding, ways to optimize Ajax applications, and more This book also provides references to XML and XSLT, popular JavaScript Frameworks, Libraries, and Toolkits, and various Web Service APIs. By offering web developers a muchbroader set of tools and options, Ajax gives developers a new way to create content on the Web, while throwing off the constraints of the past. Ajax: The Definitive Guide describes the contents of this unique toolbox in exhaustive detail, and explains how to get the most out of it.

Ajax is no longer an experimental approach to website development, but the key to building browser-based applications that form the cornerstone of Web 2.0. Head First Ajax gives you an up-to-date perspective that lets you see exactly what you can do -- and has been done -- with Ajax. With it, you get a highly practical, in-depth, and mature view of what is now a mature development approach.

Using the unique and highly effective visual format that has turned Head First titles into runaway bestsellers, this book offers a big picture overview to introduce Ajax, and then explores the use of individual Ajax components -- including the JavaScript event model, DOM, XML, JSON, and more -- as it progresses. You'll find plenty of sample applications that illustrate the concepts, along with exercises, quizzes, and other interactive features to help you retain what you've learned.

Head First Ajax covers:

• The JavaScript event model
• Making Ajax requests with XMLHTTPREQUEST objects
• The asynchronous application model
• The Document Object Model (DOM)
• Manipulating the DOM in JavaScript
• Controlling the browser with the Browser Object Model
• XHTML Forms
• POST Requests
• XML Syntax and the XML DOM tree
• XML Requests & Responses
• JSON -- an alternative to XML
• Ajax architecture & patterns
• The Prototype Library

The book also discusses the server-side implications of building Ajax applications, and uses a "black box" approach to server-side components.

Head First Ajax is the ideal guide for experienced web developers comfortable with scripting -- particularly those who have completed the exercises in Head First JavaScript -- and for experienced programmers in Java, PHP, and C# who want to learn client-side programming.

Ajax is at the heart of the Web 2.0 revolution. It isn't a technology but, rather, is a technique that leverages other technologies and techniques, such as CSS, XML, DHTML, and XHTML. Many Web designers and programmers would like to incorporate Ajax in their projects because of the amazing functionality it can add to a Web site, but they can't because of the steep learning curve. That's where this book steps in. It makes learning Ajax fun and easy -- a great place to start! Visual QuickProject Guides focus on a single project. In this case the project is creating a business employee directory, like an address book. What's being created is a better, new kind of Web site.

Ajax: The baron of kampbootytek, the prince of disconouveaux and the Tsar of all things glampopfuzzbop, is now regarded as one of Australasia's best mashup DJ's. His dense rockin' irreverent dancefloor sets at the most acclaimed clubs and festivals. He was recently awarded 3D World Magazine Best Dj 2005 (for the third year running),and voted as the Technics & In the Mix No# 5 Australian Dj 2005. SPIN CITY is the latest offering from Ajax, the first in his own series to offer something outside the regular DJ mix compilation and in the spirit of 2 Many DJs Live at Radio Soulwax boy does he come up with the goods!!!

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

This book is also available as part of the 4-book JavaScript and Ajax Wrox Box (ISBN: 0470227818). This 4-book set includes:

• Professional JavaScript for Web Developers (ISBN: 0764579088)
• Professional Ajax 2nd edition (ISBN: 0470109491)
• Professional Web 2.0 Programming (ISBN: 0470087889)
• Professional Rich Internet Applications: Ajax and Beyond (ISBN: 0470082801)

Enhance the user experience of your PHP website using AJAX with this practical tutorial featuring detailed case studies

• Build a solid foundation for your next generation of web applications
• Use better JavaScript code to enable powerful web features
• Leverage the power of PHP and MySQL to create powerful back-end functionality and make it work in harmony with the smart AJAX client
• Go through numerous case studies that demonstrate how to implement AJAX-enabled features in your site such as: real-time form validation, online chat, suggest & autocomplete, whiteboard, SVG realtime charting, whiteboard, web data grid, RSS reader, drag & drop

In Detail

Assuming a basic knowledge of PHP, XML, JavaScript and MySQL, this book will help you understand how the heart of AJAX beats and how the constituent technologies work together. After teaching the foundations, the book will walk you through numerous real-world case studies covering tasks you'll be likely to need for your own applications:

• Server-enabled form-validation page
• Online chat collaboration tool
• Customized type-ahead text entry solution
• Real-time charting using SVG
• Database-enabled, editable and customizable data grid
• RSS aggregator application
• A server-managed sortable list with drag&drop support using the script.aculo.us JavaScript toolkit

The appendices guide you through installing your working environment, using powerful tools that enable debugging, improving, and profiling your code, working with XSLT and XPath.

What you will learn from this book?

AJAX and PHP: Building Responsive Web Applications is the most practical and efficient resource a reader can get to enter the exciting world of AJAX. This book will teach you how to create faster, lighter, better web applications by using the AJAX ingredients technologies to their full potential.

Who this book is written for?

This book is for web developers willing to build better web applications. A basic knowledge of PHP, XML, JavaScript and MySQL, or a strong will to learn-as-you-type, is assumed.

ASP.NET 2.0 AJAX is Microsoft's Ajax tool for ASP.NET developers and this book covers the ASP.NET 2.0 AJAX final release. You’ll learn how to use the ASP.NET 2.0 AJAX features in order to create richer, more responsive dynamic Web sites. The book walks you through examples for each featured element, demonstrating how the client and server interact to produce a better Web application, and reviews such topics as client framework, script manager control, networking stack, application services, partial page updates, control extenders, client form elements, and client behaviors.

14 OZ Ajax Cleanser, Cleans & Shines Without Scratching.

Step-by-step guide reveals best practices for enhancing Web sites with Ajax

• A step-by-step guide to enhancing Web sites with Ajax.
• Uses progressive enhancement techniques to ensure graceful degradation (which makes sites usable in all browsers).
• Shows readers how to write their own Ajax scripts instead of relying on third-party libraries.

Web site designers love the idea of Ajax--of creating Web pages in which information can be updated without refreshing the entire page. But for those who aren't hard-core programmers, enhancing pages using Ajax can be a challenge. Even more of a challenge is making sure those pages work for all users. In Bulletproof Ajax, author Jeremy Keith demonstrates how developers comfortable with CSS and (X)HTML can build Ajax functionality without frameworks, using the ideas of graceful degradation and progressive enhancement to ensure that the pages work for all users. Throughout this step-by-step guide, his emphasis is on best practices with an approach to building Ajax pages called Hijax, which improves flexibility and avoids worst-case scenarios.