Thanks to this, JavaScript code running in Node.js can become very performant.Ī Node.js app is run by a single process, without creating a new thread for every request. Node.js is able to leverage the work of the engineers that made (and will continue to make) the Chrome JavaScript runtime blazing fast, and this allows Node.js to benefit from the huge performance improvements and the Just-In-Time compilation that V8 performs. Node.js runs the V8 JavaScript engine, the core of Google Chrome, outside of the browser. If GitHub stars are one popularity indication factor, having 58000+ stars means being very popular. Node.js is open source, cross-platform, and since its introduction in 2009, it got hugely popular and now plays a significant role in the web development scene. Node.js is a runtime environment for JavaScript that runs on the server.

Node.js is built on top of the Google Chrome V8 JavaScript engine, and it's mainly used to create web servers - but it's not limited to that This post is a getting started guide to Node.js, the server-side JavaScript runtime environment.

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