Aim This document is get to start with the Node.Js. This is a simple introduction to Node and Its corresponding frameworks. This will help you to create a simple chit chat server application using node.js, express.js and socket.io. I have used the chat demo app of socket.io to learn you node. Introduction to Node.Js CLI Introduction to Node If you are from the Java and .net background. You might have create several JSP and ASP application to learn Java and ASP web framework. While create web app. You also learned JavaScript to interact with the HTML dom elements. If you go to the wikipedia definition of node which is “ Node.js is an open source, cross-platform runtime environment for server-side and networking applications. Node.js applications are written in JavaScript, and can be run within the Node.js runtime on OS X, Microsoft Windows, Linux, FreeBSD, and IBM_i ”. It tells that Node is a framework where you can write code in Javascript programming language on s