What is Node.js?
Node.js is an open-source, cross-platform JavaScript runtime environment that allows developers to run JavaScript code on the server-side. It uses the V8 JavaScript engine from Google Chrome and is commonly used for building fast and scalable network applications. Here are some key points about Node.js:
Main Features:
- Asynchronous and event-driven
- Single-threaded, non-blocking
- Highly performant
Common Use Cases:
- Web servers and APIs
- Real-time applications like chat or gaming
- Microservices architecture

Why Use Node.js?
Node.js is a versatile and powerful runtime environment for server-side applications. Below are some reasons why you should consider using Node.js:
Benefits of Node.js:
- Efficiency: Node.js is known for its lightweight and efficient nature, making it ideal for building fast and scalable applications.
- JavaScript Everywhere: With Node.js, you can use JavaScript on both the client and server side, offering a consistent development experience.
- Large Ecosystem: Node.js has a vast ecosystem of modules and packages available through npm, providing solutions for almost any use case.
- Non-blocking I/O: Node.js uses asynchronous, non-blocking I/O operations, allowing for high-performance handling of multiple concurrent requests.
