CSS, JavaScript, and Ajax
Apress eBooks · 2009
One of the definitive technologies of Web 2.0 is Ajax, which means Asynchronous JavaScript and XML and allows the browser to communicate with a server without needing to refresh the page the user is viewing. Interestingly, Ajax doesn’t necessarily need to use JavaScript or XML, so it is only the Asynchronous part of the name that is the truly important aspect of the technology.