Why Node.js? What’s so special about it?

Not All Uses Are Good Uses for Node.js. Node.js is a server-side JavaScript environment. It uses an asynchronous event-driven model and is designed for writing scalable internet applications, notably web servers.

Node.js is a platform built on Chrome’s JavaScript runtime for easily building fast, scalable network applications. … Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices.