CAPTCHA has become a popular means of securing forms against automated submission, by requiring users to enter a string displayed in an automatically generated image.
This implementation uses Ajax to conveniently combine CAPTCHA into normal pre-submission form verification. You'll need PHP to be installed with the GD image library (most PHP implementations will have this as standard).
FreeVersion: n/a Platform(s): linux, windows, freebsd, sun Updated: Wed Dec 20 2006
If you want to have live data on your website, that will change all on its own without you having to constantly refresh the page, then this tutorial will show you how to. Assumes you have an understanding of the AJAX (XMLHttpRequest) object.
FreeVersion: n/a Platform(s): linux, windows, freebsd, osx, sun Updated: Fri Dec 29 2006
This tutorial explains from the very beginning how to use AJAX in web applications. It is assumed you have a knowledge of Javascript (with a little DOM) as well as a server side scripting language, although you should pick it up easily.
FreeVersion: n/a Platform(s): linux, windows, freebsd, osx, sun Updated: Fri Dec 29 2006
Ever wanted to make your own "live" advanced search that gives you suggestions as you type. This tutorial will show you how to make one just like Google's new "Suggest" search feature.
FreeVersion: n/a Platform(s): linux, windows, freebsd, osx, sun Updated: Fri Dec 29 2006
Step-by-step tutorial to understand the XMLHttpRequest object and how to use it from JavaScript. Examples with text, XML and JSON files. The tutorial is completed by demo pages that you can use as templates for you own website. Plus a specific JSON tutorial a very simple to use format.
FreeVersion: 1.0 Platform(s): linux, windows, freebsd, osx, sun Updated: Tue Dec 19 2006
In this workshop, you'll be building a tabbed content browser that's Ajax powered. Whenever a user clicks a tab the script will communicate with the server and send back the appropriate data for that tab.
FreeVersion: n/a Platform(s): n/a Updated: Fri Nov 10 2006
Thanks to Ajax, we can provide real-time feedback to the user using server-side validation scripts and eliminate the need for redundant validation functions without giving up a solution that degrades gracefully when JavaScript is disabled.
FreeVersion: n/a Platform(s): n/a Updated: Fri Nov 10 2006
In this article, the first of three parts, you will start creating a simple web-based POP 3 client using AJAX, which will use "XMLHttpRequest" objects to retrieve messages from a mail server.
FreeVersion: n/a Platform(s): n/a Updated: Fri Nov 10 2006
In this article, we will take fresh approach and implement an AJAX-powered component that will not only upload the file to server, but also monitor the actual progress of a file upload request in "real time."
FreeVersion: n/a Platform(s): n/a Updated: Fri Nov 10 2006
The goal of this Ajax example is to allow a user who is registering for your site to see if the username they want to use is taken already or not, without having to submit a form and reload the page.
FreeVersion: n/a Platform(s): n/a Updated: Fri Nov 10 2006
This is an example of a good use of Ajax, and at the same time keeps it simple. It is a zip code verifier. As soon as the person enters the zip code it makes a request to the server to see if the zip code is in the database, and returns the city and state.
FreeVersion: n/a Platform(s): n/a Updated: Fri Nov 10 2006
In this article I'm going to show you three simple and practical uses for Ajax on your Web site. You'll need to know a bit of HTML, JavaScript, and PHP to follow along, but I'll do my best to explain everything in simple terms so you don't get lost.
FreeVersion: n/a Platform(s): n/a Updated: Fri Nov 10 2006
