Introduction
JavaScript on the server isn't new. We've had Rhino, SpiderMonkey, and other JavaScript engines for years. But Node.js is different, and it's generating serious excitement.
Released last year by Ryan Dahl, Node.js takes Chrome's V8 JavaScript engine and wraps it with APIs for file I/O, networking, and other server-side tasks. The result is a platform for building scalable network applications using JavaScript.