Learn how to use asynchronous javascript™+ XML (Ajax) and PHP to build a chat system in your WEB application. Your customer does not need to download or install any special instant messaging software to discuss the content of the site with you and other customers.
Since the advent of the word WEB 2.0 , developers have been talking about the community. Whether you think it's a bit exaggerated or not, it's tempting to make it easy for users or readers to talk about page themes or sell products in real time. But what do we do? Can you add a chat to a product-selling page without having the customer install any special software including Adobe Flash Player? Of course! Practice has proven that free off-the-shelf tools such as PHP, MySQL, dynamic HTML (DHTML), Ajax, and prototype.js libraries can be completely done.
No more wordy, let's start at once.
This article turns from: IBM DeveloperWorks China
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