What is Node.js and what makes it a preferred backend runtime?

Explores Node.js architecture and asks why developers choose it for server-side applications.

Node.js is a cross-platform, open-source JavaScript runtime built on Chrome’s V8 engine, designed for running code outside the browser ([turn0search49]turn0search13]turn0search31]). It uses an event-driven, non-blocking I/O model for handling large concurrency efficiently. Why it’s preferred: • High performance and scalability • Lightweight and efficient single-threaded model • Enables full-stack development with shared language • Rich ecosystem and package management via npm ([turn0search43]turn0search25]) Category: Backend Development Tags: nodejs, backend, javascript, non-blocking, npm