https://blog.cloudboost.io/event-driven-programming-with-nodejs-net-and-events-9e4e14f561f3

By definition, NodeJS is an event-driven nonblocking runtime environment for JavaScript that has become very popular on the server side. This is because Nodejs has an event-driven architecture capable of asynchronous I/O. This post explores what this event-driven architecture is like and how to exploit the event-driven nature of Nodejs in very simple and basic way.

If you already have been programming in Nodejs, this post is for you because with the available libraries and frameworks in npmjs community, most developers never get the necessity to experience the core driving capabilities of Nodejs. If you are new to Nodejs, this beginners guide by is good for you. As a new beginner, you can also go through this tutorial though you might find some hard time you will start the right way. Either way, you will learn how awesome Nodejs is when approached from this direction.