Node.js is an open-source server-side runtime environment that allows developers to run JavaScript outside of a browser. It's built on Chrome's V8 JavaScript engine and is widely used for building scalable network applications.

Getting Started 📚

  1. Install Node.js
    Visit Node.js Official Website to download the latest LTS version.
    📦 Ubuntu: sudo apt-get install nodejs
    📦 macOS: brew install node
    📦 Windows: Download the installer from the official site.

  2. Verify Installation
    Open terminal and run: 

    node -v
npm -v

    ✅ If both commands return versions, the installation is successful.

Key Features 🔍

  • Asynchronous I/O: Handles multiple requests efficiently.
  • Event-driven: Uses an event loop for non-blocking operations.
  • npm Package Manager: Access millions of packages via npm.
  • Cross-platform: Works on Windows, macOS, and Linux.

Common Use Cases 🌐

  • Building APIs with Express.js
  • Real-time applications using Socket.io
  • CLI tools development
  • Microservices architecture

Tips and Tricks 💡

  • Use npm init to create a package.json file.
  • Explore Node.js documentation for advanced topics.
  • Always use async/await for handling asynchronous operations.

Further Reading 📚

Node_js_Logo
Node_js_Installation