Using a unique visual format is very effective and that has turned Head First titles to run away bestseller, 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 lasts. Head First Ajax covers: JavaScript event model Making Ajax requests with the XMLHttpRequest object asynchronously Application Model 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 & pattern Prototype Library The book also discusses the implications of server-side build Ajax applications, and use the "black box" approach to server-side component. 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.