Introduction to Server-side JavaScript

Although rich web sites and applications have become the norm in recent years, they can still be difficult to develop, maintain, and expand. Many of the challenges stem from the schism between client and server components. The Jaxer server, developed by Aptana, is an open source Ajax web server for building rich web pages and applications in JavaScript. Writing code for Jaxer is the focus of this article.

Excerpted from:
Introduction to Server-side JavaScript