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® 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.

Now, you can use the --env-file flag to specify an environment file when running your Node.js application. Here's an example .env file and how to access its variables using process.env.

Node.js v22 empowers applications to seamlessly interact with WebSocket servers as clients, but the creation of WebSocket servers within Node.js remains dependent on established libraries.

An example of a web server written with Node.js which responds with 'Hello, World!': Commands in this document start with $ or > to replicate how they would appear in a user's terminal.

../ docs/ - - win-arm64/ - - win-x64/ - - SHASUMS256.txt.asc 11-Nov-2025 22:32 3.2 KB SHASUMS256.txt.sig 11-Nov-2025 22:32 119 B SHASUMS256.txt 11-Nov-2025 22:31 2.9 KB …

Let's walk through a simple example to demonstrate how code coverage works in Node.js. Note: This example, and all other ones in this file, are written using CommonJS.

Feb 16, 2023 · Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.