Node.js Beginner Tutorial 2025 | Learn in 2 Hours

# 🚀 Pure Node.js Crash Course - Master Core Node.js in 5 Days!

Welcome to the most comprehensive pure Node.js crash course for beginners! In this series, we'll dive deep into the core concepts of Node.js without any external libraries, frameworks, or packages. Learn Node.js the right way - from the ground up!


## 🎯 Course Focus

This course focuses exclusively on pure Node.js, teaching you:

- Core Node.js concepts and internals
- Built-in Node.js modules only
- No external dependencies
- No frameworks or libraries
- Understanding Node.js from first principles

## 📚 What You'll Learn

### Session 1: Introduction to Node.js

- Understanding Node.js internals and event loop
- Setting up your development environment
- Running your first Node.js application
- Getting comfortable with the Node.js REPL

### Session 2: Node.js Core Modules & require

- Working with CommonJS modules
- Creating and using custom modules
- Understanding module.exports
- Exploring built-in globals (**dirname, **filename, process)
- Deep dive into Node.js module system

### Session 3: File System & Path Modules

- Pure Node.js file operations (read, write, create, delete)
- Working with file paths using the path module
- Handling callbacks and errors
- Building a file management system from scratch
- Understanding synchronous vs asynchronous operations

### Session 4: Creating a Basic HTTP Server

- Building a web server using only the http module
- Manual route handling without frameworks
- Sending different response types (HTML, JSON)
- Understanding request and response objects
- Working with raw HTTP


## 🛠️ Prerequisites

- Basic JavaScript knowledge
- A computer with Node.js installed
- VS Code (recommended)
- No prior Node.js experience required

## 🔗 Resources
- Learn MERN Fullstack : https://www.udemy.com/course/fullstack-web-development-course-projects-base/learn/
- GitHub Repository: [https://github.com/tweneboah/Node-crash-course]
- VS Code: [https://code.visualstudio.com/]
- Node.js Documentation: [https://nodejs.org/en]

## 📝 Timestamps

## 🎓 Who is this for?

- Developers wanting to understand Node.js fundamentals
- JavaScript developers looking to learn backend development from scratch
- Programmers interested in understanding Node.js internals
- Anyone who wants to build Node.js applications without dependencies

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00:00 - Intro to Node.js
01:30 - Why learn pure Node.js
02:24 - Course overview
03:38 - Installing Node.js
05:23 - VS Code setup
07:19 - First Node.js script
09:41 - Running Node.js files
14:43 - Using REPL
18:27 - Modules explained
20:27 - CommonJS modules
28:53 - ES6 modules
35:47 - Path module
39:05 - Path module demo
47:45 - File system module
50:52 - FS module demo
57:09 - Async file ops
1:01:43 - Process object
1:11:09 - Process demo
1:18:21 - CLI arguments
1:23:10 - HTTP servers
1:28:44 - Basic server
1:34:55 - Routing
1:37:28 - JSON responses
1:43:52 - Conclusion