3 hours/week
Build small CLI and HTTP exercises.
Programming technologie guide
Learn Node.js
Learn Node.js through prerequisites, core workflows, projects, troubleshooting, and production practices.
Best for
- Server-side JavaScript
- Command-line tools and automation
- HTTP APIs and real-time services
Prerequisites
- JavaScript functions, modules, objects, promises, and async/await
- HTTP and JSON basics
- Terminal and npm basics
Learning sequence
Recommended Learning Order
- 1
Stage 1
Node.js runtime, modules, package management, and environment variables
- 2
Stage 2
Files, streams, events, errors, and asynchronous I/O
- 3
Stage 3
HTTP servers and request lifecycle
- 4
Stage 4
Database access, validation, authentication, and testing
- 5
Stage 5
Logging, performance, deployment, and process management
Study Timeline
6 hours/week
Add API routing, persistence, validation, and tests.
10 hours/week
Build and deploy a production-style API service.
Project Progression
Beginner: CLI file utility
Intermediate: REST API with persistence and validation
Portfolio: authenticated service with tests, logging, rate limits, and deployment
Common Mistakes
- Blocking the event loop with CPU-heavy synchronous work
- Ignoring rejected promises and error middleware
- Putting secrets in source control
- Trusting request data without validation
Job-Ready Skills
- Node.js runtime
- Async I/O
- HTTP
- npm
- Databases
- Testing and observability
Frequently Asked Questions
Is Node.js a framework?
No. Node.js is a JavaScript runtime. Frameworks such as Express add routing and application structure on top of it.