text: NodeJs for beginners: 01 - What is node js ? - Symentix : Symentix
  NodeJs for beginners: 01 – What is node js ?
  Ans : Node.js is a cross-platform runtime environment and library for running JavaScript applications outside the browser. It is used for creating server-side and networking web applications. It is open source and free to use.
  Many of the basic modules of Node.js are written in JavaScript. Node.js is mostly used to run real-time server applications. Node.js also provides a rich library of various JavaScript modules to simplify the development of web applications.
  Ans: Node.js uses asynchronous programming!
  Node.js eliminates the waiting, and simply continues with the next request. Node.js runs single-threaded, non-blocking, asynchronous programming, which is very memory efficient.