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This book discusses what Ajax is and what it means to Web developers, as

well as the technologies behind Ajax applications. The early chapters of

this book begin with a discussion of the pros and cons of Ajax

techniques, and they provide a quick refresher of JavaScript techniques.

Working through this book, you'll discover how Ajax applications cross

between client-side and server-side development techniques, examine some

common Ajax patterns, and see how Ajax links in to existing technologies

such as XSLT, web services, and the DOM. The final chapter provides an

in-depth case study in creating Ajax applications. This book teaches you

how to create applications according to Ajax principles. This book takes

no views on web browser is superior, and it offers examples that work

across all major browsers. Because of the complexities involved,

however, Ajax is not something a complete novice can expect to pick up.

The reader is expected to be familiar with the following client-side

technologies: HTML (and/or) XHTML, JavaScript, and Cascading style

sheets (CSS). The reader will also need to be familiar with at least one

of the two following server-side technologies: PHP or ASP.NET. The

reader is not expected to know any of the following because full

introductions to each technology will be given (although familiarity

with one or many of them may be useful): Document Object Model (DOM),

XML, XPath, Extensible Stylesheet Language Transformations (XSLT), and

Web services (REST and SOAP). Some of the topics covered include:

- A JavaScript refresher and JavaScript reference

- Ajax and server-side technologies including the XMLHttpRequest

object and how it can call ASP.NET, PHP, and Java applications

- The different techniques that can be considered Ajax techniques,

regardless of whether they make use of the XMLHttpRequest object, hidden

frames, hidden inline frames, dynamic image loading, and dynamic script

loading.

- Working with XML and the XMLHttpRequest object

- Debugging and Error Handling

- Web Services, APIs, and Mashups including embedded maps,

photographs, weather forecasts, or music playlists in applications via

either web services or APIs

- XSLT and XPath

- Common Ajax patterns such as page preloading and form validation

- Working with external data including how to use external feeds such

as RSS and Atom and how you can create applications to consume data

sources that push data at regular intervals.

- JSON, JavaScript's alternative format for transmitting data,

JavaScript Object Notation (JSON), which returns a set of array and

object literals.

- How to install and use some of the most common Ajax frameworks and

libraries, such as Prototype, Scriptaculous, Dojo, and more.

Book Info:

Published in 2007

Published by Wrox

Author Chris Ullman

ISBN 0470106751 Size 3.22MB

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