ajax im ("asynchronous javascript and xml instant messenger") is a browser-based instant messaging client.
It uses AJAX to create a near real-time IM environment that can be used in conjunction with community, intranet, and social websites. No refreshing of the page is ever needed for this "web application" to work, as everything is updated in real-time via JavaScript.
The XMLHTTPRequest object allows HTTP requests to be sent to the server and get input back from the server. There are two parts to the client-server interaction through this object:
The client "pings" the server (a PHP script) for new messages. The server in turn queries a database for any messages for the client, and returns them as JSON. The XMLHTTPRequest object passes this JSON text be parsed by the rest of the JavaScript.
The client sends data to the server (a PHP script), such as a new message to another user. This data is then processed by the server ("cleaning" the data of any thing invalid) and put into the database, which is later "pinged" by another client.
Changes in version 3.3:
- No more PHP file for languages, all language information is stored in Javascript
- Language files are loaded dynamically and can be switched by user before login
- index.php is now index.html, as there is now no PHP in the index file
- Fixed issue regarding buddies and letter casing
- IM sounds fixed
- IM timestamp format is now fully configurable
- Selecting/hovering over users in chatlists fixed
- Chatrooms can now be predefined for the "Join Room" chatlist
- Added previously nonexistent "Make Admin" PHP function
- Fixed error when "Sign On" button clicked a second time
- Various minor issues
- Page title is now modifyable via config.js
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