Node.js is a very powerful cross-platform runtime environment built on Chrome’s V8 Javascript engine for executing JS code outside of a browser. You need to understand that Node.js is not a framework or programming language.
It just provides an asynchronous, event-driven I / O and cross-platform environment for building high scalable server-side applications.
Node.js is easy to understand and learn. Today, many companies like Walmart, PayPal, Uber, etc use it for building their mobile and web apps.
Now, let’s get on the road to learn it.
Prerequisites: Since Node.js is based on JS, it is advised to have some basic knowledge of Javascript and Ajax before learning Node.js.
Step1:
Begin with setting its environment on your system. Learn about REPL terminal and NPM.
Step2:
Learn Call back concept, event loops, event emitters, buffers, and streams.
Step3:
Move on to some more important concepts. Understand the concept of file systems, global objects, utility modules, and web modules.
Step4:
Learn express framework, RESTful API, scaling, and packaging.
Step5:
Yahoo! We are done with Node.js now. Build applications using it to deepen your knowledge in it.
