node server.js
$ node server.js
Server running...
Listening on :3000
[GET] /api/users
[POST] /api/data
●
🟢
RuntimeNPMFile SystemHTTP
JavaScript beyond the browser. Build servers, CLI tools, and APIs with Node.js - the runtime that powers modern web backends.
Free Tutorial
Learn Node.js - Server-Side JavaScript
Master Node.js, the runtime that lets you run JavaScript on the server. Learn to build web servers, work with files, use npm packages, and create APIs with Express.js.
📋 Prerequisites
Before learning Node.js, you should be comfortable with JavaScript fundamentals including functions, arrays, objects, and ES6+ features like arrow functions and destructuring.
🎯 What You'll Learn
- ✓ Run JavaScript outside the browser
- ✓ Work with the file system
- ✓ Use npm and manage packages
- ✓ Build HTTP servers
- ✓ Create APIs with Express.js
- ✓ Master async programming
Course Topics
Lesson 1
Beginner
15 min
Introduction to Node.js
What is Node.js, why it matters, and how to get started with server-side JavaScript
Lesson 2
Beginner
20 min
Modules & NPM
Learn how to organize code with modules and use npm to manage packages
Lesson 3
Beginner
20 min
File System Operations
Read, write, and manipulate files and directories using the fs module
Lesson 4
Beginner
25 min
Building HTTP Servers
Create web servers and handle HTTP requests using Node.js built-in http module
Lesson 5
Intermediate
25 min
Async Programming Patterns
Master callbacks, promises, and async/await for handling asynchronous operations
Lesson 6
Node.js File System (fs) Module
Master advanced fs operations including streams for large files, fs.promises API, file watching, recursive directories, and metadata
Lesson 7
Building HTTP Servers with Node.js
Build complete REST APIs from scratch with the Node.js http module: routing, POST data parsing, CORS, static files, and the HTTP lifecycle
Lesson 8
Error Handling in Node.js
Handle errors properly: custom error classes, async error patterns, graceful shutdown, and operational vs programmer errors
Lesson 9
Node.js Streams Deep Dive
Master Readable, Writable, Duplex, and Transform streams with backpressure handling, stream.pipeline(), and real-world streaming patterns
Lesson 10
Worker Threads & Clustering
Scale Node.js apps with worker threads for CPU-intensive tasks, cluster module for multi-core servers, and child processes for isolation
Lesson 11
npm & Package Management
Master package.json configuration, semantic versioning, lock files, npm workspaces for monorepos, publishing packages, and dependency auditing
Lesson 12
Debugging Node.js Applications
Debug effectively with Chrome DevTools, VS Code debugger, memory leak detection, CPU profiling, heap snapshots, and advanced console methods
Lesson 13
Node.js Security Best Practices
Secure your Node.js apps: input validation, injection prevention, rate limiting, secure headers, and dependency scanning
Lesson 14
Testing Node.js with Jest & Vitest
Write unit tests, mock modules and functions, test async code, measure coverage reports, and integration test HTTP endpoints with supertest
Lesson 15
Connecting Node.js to Databases
Connect to PostgreSQL, MongoDB, and Redis using ORMs like Prisma and Drizzle, connection pooling, transactions, and database migrations
Lesson 16
Deploying Node.js Applications
Deploy Node.js to production with PM2, Docker containerization, health checks, structured logging with Pino, graceful shutdown, and CI/CD
Ready to Start?
Begin your Node.js journey with the introduction. You'll learn what Node.js is, how to install it, and write your first server-side JavaScript program.
Start Learning Node.js →