NodeJS Is Opensource cross platform run time environment for developing server side web application. It runs on google's V8 JavaScript engine. NodeJS Is Not Another web framework. It is a module of JavaScript. For beginners. Multi thread. What is unique about NodeJS Server side module. Servers are normally thread based. But NodeJS is event based. NodeJS programs are executed by V8 JavaScript Engine the same used by Google Chrome browser.
Don’t patch bugs out, Rewrite them out. That's the way you find new things.