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CAPTCHA validation using PHP and Ajax Hits: 4991 ***** 4.0 Creating Live Data with AJAX Hits: 4964 ***** 4.0 Ajax For Beginners Hits: 4864 ***** 4.0 Making a Google Suggest-like application Hits: 4388 ***** 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: 4232 ***** 4.5 Head Rush Ajax Hits: 2170 ***** 5.0 Ajax RSS Reader Step by Step Tutorial Hits: 2113 ***** 5.0 Degradable Ajax Form Validation Hits: 2072 ***** 3.5 This tutorial explains from With Head Rush Ajax, in no This Ajax reader is written Thanks to Ajax, we can the very beginning how to time you'll be writing in JavaScript only. provide real-time feedback use AJAX in web JavaScript code that fires Itrequests a backend URL on to the user using applications. It is assumed off asynchronous requests to the same server then server-side validation you have a knowledge of web servers...and having fun displays the feed. scripts and eliminate the Javascript (with a little doing it. By the time you've   need for redundant DOM) as well as a server taken your dynamic HTML,   validation functions without side scripting language, XML, JSON, and DOM skills up   giving up a solution that although you should pick it a few notches, you'll have   degrades gracefully when up easily. solved tons of puzzles,   JavaScript is disabled.   figured out how well       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: Nov, 10 2006 Date: Nov, 10 2006