Node.js

Lesson in the Next.js Roadmap · Stage 22: Runtimes and Types

Last updated 14 September 2026

What is Node.js?

Node.js is a JavaScript runtime environment that executes JavaScript code outside of a web browser. It allows developers to use JavaScript for server-side scripting and to build scalable network applications. Node.js uses an event-driven, non-blocking I/O model that makes it efficient and well-suited for real-time applications.

Study this in the interactive course See the whole Next.js roadmap

Free resources to learn Node.js

RoadmapVisit de Dedicated Node.js Roadmap
Official docsNode.js
Official docsEdge Runtime

Node.js: common questions

Can I learn Node.js in Hindi?

This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain Node.js in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.

Is this Node.js tutorial for beginners?

It is lesson 55 of 94 in the free Next.js roadmap, in stage 22, Runtimes and Types. If you are new to Next.js, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.