What exactly is Node.js?

Node.js is an open-source, cross-platform JavaScript runtime environment that executes JavaScript code outside of a web browser. It allows developers to create server-side applications with JavaScript and provides an event-driven architecture and a non-blocking I/O API, which makes it lightweight and efficient. This makes it especially well-suited for building scalable, real-time web applications, such as web servers, chat rooms, online games, and more.

Why Node.js?

Node.js is a popular choice for building server-side applications because it allows…