If you are a front-end programmer and you don't know a dynamic programming language like PHP, Python or Ruby, and you want to create your own service, then Node.js is a very good choice.
Node.js is JavaScript that runs on the server side. If you are familiar with Javascript, you will easily learn Node.js.
Of course, if you are a back-end programmer and want to deploy some high-performance services, then learning Node.js is also a very good choice.
What you need to know before studying this tutorial
Before proceeding with this tutorial, you should know some basic computer programming terminology. If you have studied Javascript, PHP, Java and other programming languages, it will help you understand Node.js programming faster.