Introduction to Node/Express

Node.js is a cross-platform, open-source JavaScript runtime environment that executes JavaScript code outside of a web browser. It allows developers to use JavaScript for server-side scripting and creating command-line tools.

Core Features

  • Asynchronous, Event-Driven: Handles multiple concurrent connections efficiently.
  • Non-Blocking I/O: Improves performance by preventing blocking operations.
  • Single-Threaded: Efficiently handles multiple requests using the event loop.
  • Cross-Platform: Runs on various operating systems.
  • Large Ecosystem: Extensive collection of modules and packages through npm.

Key Benefits

  • High Performance: Ideal for I/O-bound applications.
  • Scalability: Handles multiple concurrent connections efficiently.
  • Full-Stack JavaScript: Use JavaScript for both frontend and backend development.
  • Active Community: Large and supportive community with abundant resources.
  • Open Source: Free to use and modify.

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