Node.js is a very powerful JavaScript-based framework/platform built on Google Chrome's JavaScript V8 Engine.It is used to develop web and mobile applications.. Node.js is open source, completely free, and used by thousands of developers around the world. Node was built with JavaScript so it helps if you have some understanding of how JavaScript actually works.Also having some understanding of other web technologies such as HTML, CSS, AJAX is useful.This course is an absolute beginners course that will teach you some Node .js basic fundamentals.