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Welcome to NodeJS

Congratulations on taking the first step toward becoming a real programmer.

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Learn. Practice. Build.

This course is designed to take you from the fundamentals to advanced programming concepts through structured learning, practical examples, and hands-on experience.

Whether you're completely new to programming or an experienced developer looking to expand your skills, you'll find everything you need to move forward with confidence.

Your Path to Becoming a Code Hero

01

Learn

Understand programming concepts step by step and build a strong technical foundation.

02

Practice

Reinforce your knowledge with examples, exercises, and practical coding challenges.

03

Build

Turn what you learn into practical programming skills that you can use in real projects.

user@zero-to-hero:~/course$ start --learning
// Your journey begins now...
✓ Course initialized
✓ Learning path ready
✓ Time to become a Code Hero

Ready to Level Up?

Start the course, keep practicing, and take your programming skills from zero to hero.

Course Syllabus

Explore the complete learning path and see exactly what you'll learn throughout this course.

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What You'll Learn

Follow the roadmap below and progress from the fundamentals to advanced concepts.

Our Node.js course covers async programming, RESTful APIs, Express.js, MongoDB integration, WebSocket implementation, npm, error handling, testing, and debugging. Participants become proficient Node.js developers, ready to create high-performance applications.

Course Outline:

1. Intro

  1. Introduction to Node JS
  2. The first application on Node

2. Basics of working with Node.js

  1. Modules
  2. Working with Modules
  3. Object global and global Variables
  4. Passing Parameters to the App
  5. npm batch manager and package management
  6. File package.json and Project Configuration
  7. Nodemon
  8. Working with Files
  9. Events
  10. Stream threads
  11. Channels Pipe

3. Server

  1. Creating Server
  2. Sending Files
  3. Retrieving data from the client
  4. Submitting Forms

4. Express

  1. Getting Started with Express
  2. Request processing pipeline and middleware
  3. Send a response
  4. Static Files in Express
  5. Routing in Express
  6. Forwarding
  7. Pass data to the application
  8. POST Requests and Form Submission
  9. Route Parameters
  10. Router
  11. JSON and AJAX
  12. Views and the Handlebars View Engine
  13. Partial views in Handlebars
  14. Layout in Handlebars
  15. Helpers in Handlebars
  16. EJS Engine
  17. Pug Engine
  18. Partial views and layouts in Pug
  19. Creating an API

5. Testing

  1. Testing Mocha
  2. Assert
  3. Testing Express
  4. Test Organization and the method

6. Node.js and MongoDB

  1. Getting started with MongoDB
  2. Adding data to MongoDB
  3. Retrieving data in MongoDB
  4. Deleting Documents in MongoDB
  5. Updating Documents in MongoDB
  6. Express and MongoDB
  7. Mongoose
  8. Schema definition in Mongoose
  9. CRUD in Mongoose
  10. Express and Mongoose

7. MySQL

  1. Connecting to MySQL
  2. Execute queries with MySQL
  3. Promise API
  4. Basic Data Operations
  5. Connection pools
  6. MySQL and Express

8. Sequelize

  1. Sequelize
  2. Defining Models
  3. Database Queries
  4. Sequelize and Express
  5. One-to-many connection
  6. One-to-one connection
  7. Many-to-many connection

9. MVC Pattern

  1. Controllers
  2. Models and Views
  3. Connection to a MongoDB database

10. Uploading files

  1. Uploading files with multer
  2. Setting up a multer

Why Enroll

Enroll in our Node.js course for a comprehensive learning experience. Learn from industry experts through practical exercises, real-world projects, and personalized guidance. Stay updated with the latest trends and develop problem-solving skills for dynamic work environments. Start your transformative journey today!

Learn. Practice. Build.

Work through each section, practice what you learn, and keep progressing toward becoming a Code Hero.

Node.js Interview Questions

Core Concepts

1. What is Node.js and how does it differ from traditional server-side platforms?

2. Explain the event-driven architecture in Node.js.

3. How does Node.js handle asynchronous operations?

4. What is the purpose of the `package.json` file in a Node.js project?

5. How do you handle errors in Node.js?

6. Explain the concept of middleware in Express.js.

7. What are streams in Node.js and how are they used?

8. How do you manage environment variables in a Node.js application?

9. What is the purpose of the `cluster` module in Node.js?

10. How can you implement authentication and authorization in a Node.js application?

11. What is the role of the `process` object in Node.js?

12. How do you handle concurrency in Node.js?

13. What is a callback hell and how can you avoid it in Node.js?

14. What is the purpose of `npm` and `yarn` in a Node.js project?

15. Explain the difference between `require` and `import` in Node.js.

16. How can you optimize the performance of a Node.js application?

17. What are `Promises` and how do they improve asynchronous programming in Node.js?

18. What is the `event` module in Node.js and how is it used?

19. What are `Worker Threads` and when would you use them in Node.js?

20. How does Node.js manage memory and prevent memory leaks?

21. What is the `process.nextTick()` function and how is it different from `setImmediate()`?

22. How does Node.js handle file uploads and what are some common libraries used for this?

23. What are `streams` in Node.js and how do they differ from buffers?

24. What is the difference between `process.env` and `.env` files in a Node.js project?

25. How do you use `async_hooks` in Node.js to track asynchronous operations?

26. What is the `child_process` module and how can it be used in Node.js?

27. How can you implement rate limiting in a Node.js application?

28. What is the `http` module in Node.js and how does it facilitate communication between servers and clients?

29. How do you handle caching in Node.js applications?

30. What is the `os` module in Node.js and what functionalities does it provide?

31. What is the difference between `fs.readFile()` and `fs.createReadStream()` in Node.js?

32. What is the purpose of the `cluster` module in Node.js?

33. How do you use `express` middleware to handle errors in an application?

34. What are &grave;npm&grave; scripts and how can they be used in a Node.js project?

35. How can you secure a Node.js application against common vulnerabilities?

36. What is the `debug` module and how is it used for debugging Node.js applications?

37. How can you handle file system operations asynchronously in Node.js?

38. What is the `path` module and how does it assist with file and directory manipulation in Node.js?

39. How does Node.js handle asynchronous operations and what role do event emitters play in this?

40. What is the difference between a `GET` and `POST` request in HTTP, and how are they handled in Node.js?

41. How can you handle memory leaks in a Node.js application, and what tools can help with this?

42. What is the `vm` module in Node.js, and how can it be used to execute code in a sandboxed environment?

43. Explain how `async/await` improves error handling in asynchronous code compared to using callbacks or promises.





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