Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.

Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.

Node.js v25.2.1 Other versions 25.x 24.x LTS 23.x 22.x LTS 21.x 20.x LTS 19.x 18.x 17.x 16.x 15.x 14.x 13.x 12.x 11.x 10.x 9.x 8.x 7.x 6.x 5.x 4.x 0.12.x 0.10.x Options View on single page View as JSON …

Dec 15, 2025 · Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.

Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.

You can write code that's valid TypeScript directly in Node.js without the need to transpile it first. If you are using v22.18.0 or later and your source code contains only erasable TypeScript syntax, you can …

The condition should be such that a Node.js user would expect it to be in Node.js core documentation. The "types" condition is a good example: It doesn't really belong in the Runtime Keys proposal but is …

Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.

Unless you are building an open source application that anyone can deploy anywhere, you know which version of Node.js you will run the application on. Compared to the browser environment, where you …

The usual way to run a Node.js program is to run the globally available node command (once you install Node.js) and pass the name of the file you want to execute.