Node.js is a free, open-source JavaScript runtime environment that allows developers to create web applications, command line tools, and scripts. It can run on many operating systems, including Windows, Linux, Unix, and macOS.
Features
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- Event-driven: Node.js is designed to handle many input/output operations simultaneously.
- Asynchronous: Node.js can handle thousands of concurrent connections with a single server.
- Event-driven: Node.js is designed to handle many input/output operations simultaneously.
- Built on Google Chrome’s V8 JavaScript engine: Node.js runs the V8 JavaScript engine outside of the browser.
- Cross-platform: Node.js can run on many operating systems.
- Open-source: Node.js is free to use and is constantly improved by a global community of developers.
Use cases
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Server-side applications
Node.js can be used to create server-side web applications, including back-end API services.
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Real-time applications
Node.js can be used to create real-time applications like chat applications, online gaming, and live streaming services.
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IoT applications
Node.js can be used to process real-time data for IoT devices like sensors and smart home systems.
Package manager
The standard package manager for Node.js is npm.
