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CAPTCHA validation using PHP and Ajax Hits: 4335 ***** 4.0 Creating Live Data with AJAX Hits: 3919 ***** 4.0 Ajax For Beginners Hits: 3908 ***** 4.0 Making a Google Suggest-like application Hits: 3426 ***** 4.0 CAPTCHA has become a popular If you want to have live data AJAX allows you to make a Ever wanted to make your own means of securing forms on your website, that will call to an http server "live" advanced against automated change all on its own (typically an RSS feed or a search that gives you submission, by requiring without you having to webpage), get it’s content suggestions as you type. users to enter a string constantly refresh the page, and load them into your This tutorial will show you displayed in an then this tutorial will show existing page without having how to make one just like automatically generated you how to. Assumes you have to refresh the whole page. Google's new image. This implementation an understanding of the AJAX This means that services "Suggest" search uses Ajax to conveniently (XMLHttpRequest) object. like email don’t have to feature. combine CAPTCHA into normal   reload the whole page   pre-submission form   everytime you click a   verification. You'll need   message, saving on bandwidth   PHP to be installed with the   (loading the header/footer   GD image library (most PHP   all over again) and making   implementations will have   things more efficient.   this as standard).       Date: Dec, 20 2006 Date: Dec, 29 2006 Date: Jan, 02 2007 Date: Dec, 29 2006

Simple Introduction to AJAX and XMLHttpRequest Hits: 3316 ***** 4.5 Ajax RSS Reader Step by Step Tutorial Hits: 2113 ***** 5.0 Tutorial with demos Hits: 1834 ***** 4.0 Head Rush Ajax Hits: 1803 ***** 5.0 This tutorial explains from This Ajax reader is written Step-by-step tutorial to With Head Rush Ajax, in no the very beginning how to in JavaScript only. understand the time you'll be writing use AJAX in web Itrequests a backend URL on XMLHttpRequest object and JavaScript code that fires applications. It is assumed the same server then how to use it from off asynchronous requests to you have a knowledge of displays the feed. JavaScript. Examples with web servers...and having fun Javascript (with a little   text, XML and JSON files. doing it. By the time you've DOM) as well as a server   The tutorial is completed by taken your dynamic HTML, side scripting language,   demo pages that you can use XML, JSON, and DOM skills up although you should pick it   as templates for you own a few notches, you'll have up easily.   website. Plus a specific solved tons of puzzles,     JSON tutorial a very simple figured out how well     to use format. snowboards sell in Vail.If       you thought Ajax was rocket       science, this book is for       you. Head Rush Ajax puts       dynamic, compelling       experiences within reach for       every web developer. Date: Dec, 29 2006 Date: Nov, 10 2006 Date: Dec, 19 2006 Date: Nov, 10 2006