Introduction to Node.js

What is Node.js?

Node.js is an environment to execute JavaScript on the server. We could just execute JavaScript on the browser, but now we can use it on the server after Node.js.

Node.js is built on V8 JavaScript Engine. This engine is Google’s open source JavaScript and WebAssembly engine, written in C++.

JavaScript can be used on both client and server side, so Node.js has become popular in the industry. And also Node.js is asynchronous by default, so it makes its app so efficient.

Because Node.js is so good environment, many apps are built with it (ex. React.js, Angular.js, Vue.js, Express.js, etc.)

Expectation about what to learn from now

I use Firebase to manage backend features like database, but I think there is something we can’t do with Firebase. So I would like to know about such things with learning Node.js or Express.js.