Node.js applications are written in JavaScript and can be run within the Node.js runtime on OS X, Microsoft Windows, and Linux.
Node.js also provides a rich library of various JavaScript modules which simplifies the development of web applications using Node.js to a great extent.
1.
Easily scale applications in a horizontal manner.
2. Write front-end and back-end of applications.
3. Implement code much faster and effectively.
4. Non-blocking I/O systems to handle heavy traffic.
5. Highly extensible and customizable environment.