Node.js is not technically a JavaScript framework, but rather a runtime environment that allows developers to run JavaScript code outside of the browser. Node.js is built on Chrome's V8 JavaScript engine and provides an event-driven, non-blocking I/O model that makes it ideal for building scalable network applications. While Node.js is not a framework itself, it has spawned many popular frameworks such as Express.js and NestJS which are built specifically for web applications and APIs using Node.js. So while Node.js may not be classified as a traditional framework, it plays an important role in the JavaScript ecosystem and is often used in tandem with other frameworks to build robust web applications.
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