Node.js for beginners
Get started with Node.js: what it is and how it differs from browser JavaScript, running scripts, modules with import and export, the built-in fs, path and http modules, npm packages, building a small JSON API with Express, environment variables, error handling, and running it in production.
CodexBash, , 5 min read
Node.js runs JavaScript outside the browser. Built on Chrome's V8 engine, it lets you write servers, command-line tools, build scripts and APIs in the same language used for web front ends. Its event-driven, non-blocking design handles many simultaneous connections efficiently, which made it a popular choice for APIs and real-time applications. This guide covers the essentials: running code, modules, the built-in libraries, npm packages, and building a small JSON API with Express.
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