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Introduction to Node.js

Welcome to the Node.js learning guide! Node.js is a powerful JavaScript runtime built on Chrome’s V8 engine, designed for building scalable network applications.

This guide is structured to take you from the very basics to advanced professional-level concepts.

🚀 Beginner Topics

  1. What is Node.js? - Overview and history.
  2. Hello World & REPL - Running your first script and interactive terminal.
  3. Event Loop Architecture - How Node handles async tasks behind the scenes.
  4. Asynchronous Programming - Deep dive into Promises and Async/Await.
  5. Node.js Modules System - CommonJS vs ES Modules.
  6. Built-in Modules (Path & OS) - Interacting with the system.
  7. File System (FS) - Reading and writing files.

🛠️ Intermediate Topics

  1. Streams & Buffers - Efficient data handling for large files.
  2. NPM Package Manager - Managing dependencies and scripts.
  3. Event Emitter - Custom events and triggers.
  4. HTTP Module (Web Server) - Building your own server from scratch.
  5. Express.js Framework - Routing, Middleware, and simplified web dev.
  6. Error Handling Strategies - Professional methods for stability.

⛓️ Advanced Topics

  1. Worker Threads & Child Processes - Multi-threading and system commands.
  2. Databases & Performance - SQL/NoSQL patterns and optimization tips.
  3. Security Best Practices - Securing your production applications.
  4. RSA Worker Authentication - Advanced authentication implementation.

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