How Node.js Works: A Comprehensive Guide in 2025
Node.js has revolutionized web development by enabling developers to use JavaScript, a traditionally client-side language, on the server side. Created in 2009 by Ryan Dahl, Node.js is an open-source, cross-platform runtime built on Chrome’s V8 JavaScript engine. This breakthrough has unified front-end and back-end development under a single language, transforming how modern applications are built.