[...]... Contents Introduction Chapter 1: Introducing Ajax xxi 1 What Is Ajax? 2 Ajax in Action 3 flickr Basecamp Amazon (A9.com) Google Suggest and Google Maps Other Sites Bad Examples Ajax: The Acronym XHTML and CSS The Document Object Model (DOM) JavaScript XML, XSLT, and XPath The XMLHttpRequest Object Server-Side Technologies The Ajax Application Model Why Should I Use Ajax? Partial Page Updating Invisible Data... and overnight job ads were reworded — “Wanted: developers with five years JavaScript Ajax experience.” This doesn’t really give you a feel for what Ajax does, and as always, the best way is to walk though some Ajax techniques currently being used on the Web 2 Chapter 1: Introducing Ajax Ajax in Action Undoubtedly, the Ajax “killer” application is Gmail, which allows users to edit and update their e-mails... (REST and SOAP) As with other Wrox Beginning books, you’ll find that the concepts discussed in one chapter are then used and extended in other chapters What This Book Covers 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... 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 Here’s a chapter by chapter breakdown of what to expect: ❑ ❑ Chapter 2: “JavaScript Refresher” — Before beginning. .. to search by ISBN For this book the ISBN is 978-0-470-10675-4 After you download the code, just decompress it with your favorite compression tool Alternately, you can go to the main Wrox code download page at www .wrox. com/dynamic/books/download.aspx to see the code available for this book and all other Wrox books xxv Introduction Errata Every effort has been made to ensure that there are no errors in... new job positions are requiring that programmers know how to program Ajax- style applications This book helps programmers to understand the core technologies behind the term Ajax and to start building sites using Ajax techniques While many people have heard of Ajax, few understand how to write applications using these techniques Ajax blurs the traditional boundaries between front-end developers and... beginning to discuss the building of Ajax applications in any detail, all readers should be starting from the same level This chapter provides a quick refresher of JavaScript techniques and talks about the DOM, including why it has such an important role in Ajax applications ❑ xxii Chapter 1: “Introducing Ajax — This chapter provides an open-minded assessment of what Ajax is, what is good about it, and... part of the page is changing While the term Ajax appeared only fairly recently, the technologies used in Ajax applications have been around for several years, and some programmers have been using Ajax- style technologies and techniques for half a decade at least In the past year, though, there has been a rapid increase in the number of Web sites that are using Ajax- style techniques Furthermore, a lot... the book p2p .wrox. com For author and peer discussion, join the P2P forums at http://p2p .wrox. com The forums are a Webbased system for you to post messages relating to Wrox books and related technologies and to interact with other readers and technology users The forums offer a subscription feature to e-mail you topics of interest of your choosing when new posts are made to the forums Wrox authors,... all were lacking a common way of describing their features, until an online article in 2005 changed all that by christening these techniques Ajax What Is Ajax? Ajax is the catchy term coined by Jesse James Garrett in his 2005 article for Adaptive Path called Ajax: A New Approach to Web Applications,” which can still be found at http://adaptivepath.com/ publications/essays/archives/000385.php You should . class="bi x0 y0 w0 h0" alt="" Beginning Ajax Chris Ullman Lucinda Dykes 01_106754 ffirs.qxp 2/9/07 6:13 PM Page iii 01_106754 ffirs.qxp 2/9/07 6:13 PM Page ii Beginning Ajax 01_106754 ffirs.qxp 2/9/07. Page i 01_106754 ffirs.qxp 2/9/07 6:13 PM Page ii Beginning Ajax Chris Ullman Lucinda Dykes 01_106754 ffirs.qxp 2/9/07 6:13 PM Page iii Beginning Ajax Published by Wiley Publishing, Inc. 10475 Crosspoint. (1997). He cut his teeth on Wrox Press ASP guides, and since then he has written and contributed to more than 25 books, most notably as lead author for Wrox s bestselling Beginning ASP/ASP.NET 1.x