Introduction to Node.js:

Overview of Node.js and its key features
Installation and setup of Node.js and npm (Node Package Manager)
Understanding the event-driven, non-blocking nature of Node.js
Node.js Modules and File System:

Introduction to CommonJS modules and module.exports
Working with built-in modules like fs (File System)
Reading, writing, and manipulating files with Node.js
Asynchronous Programming with Callbacks:

Understanding asynchronous programming in Node.js
Working with callbacks to handle asynchronous operations
Handling errors with callbacks
Promises and Async/Await:

Introduction to Promises and their role in handling asynchronous operations
Chaining Promises and error handling
Using async/await for writing cleaner and more readable asynchronous code
 

Express.js:

• Building web applications with Express.js framework
  Routing and handling HTTP requests in Express
  Middleware and request/response processing
  Working with Databases:
• Connecting to databases (SQL and NoSQL) using Node.js
  Performing CRUD operations with databases
  Using database query builders and ORMs (Object-Relational Mappers)
  RESTful APIs and JSON:
• Designing and implementing RESTful APIs using Express.js
  Handling JSON data and parsing JSON responses
  Consuming external APIs with Node.js
  Authentication and Authorization:
• Implementing user authentication and authorization in Node.js applications
  Using popular authentication libraries (e.g., Passport.js)
  Session management and token-based authentication
  Real-time Communication with WebSockets:

Introduction to WebSockets and real-time communication
Building real-time applications using libraries like Socket.io
Testing and Debugging:

Testing Node.js applications using frameworks like Mocha and Chai
Debugging techniques and tools for Node.js development
Writing unit tests and integration tests
Deployment and Scaling:

Deploying Node.js applications to servers or cloud platforms
Working with process managers (e.g., PM2) for application management
Scaling Node.js applications for high traffic and performance
Project Work:

Applying Node.js concepts to real-world projects
Building scalable and performant web applications using Node.js