Node.js Exercises
Exercises
Test your Node.js skills with exercises from all categories:
Introduction
Get Started
JS Requirements
vs Browser
Command Line
V8 Engine
Architecture
Event Loop
Async
Promise
Async/Await
Error Handling
Modules
ES Modules
NPM
package.json
Scripts
Dependencies
Publish Package
HTTP
HTTPS
File System
Path
OS
URL
Events
Streams
Buffer
Crypto
Timers
DNS
Assert
Util
Readline
ES6
Process Management
TypeScript
Lint & Formatting
Frameworks
Express.js
Middleware
REST API
API Authentication
Frontend
MySQL
MySQL Create DB
MySQL Create Table
MySQL Insert
MySQL Select
MySQL Where
MySQL Order By
MySQL Delete
MySQL Drop Table
MySQL Update
MySQL Limit
MySQL Join
MongoDB
MongoDB Create DB
MongoDB Create Collection
MongoDB Insert
MongoDB Find
MongoDB Query
MongoDB Sort
MongoDB Delete
MongoDB Drop Collection
MongoDB Update
MongoDB Limit
MongoDB Join
GraphQL
Socket.IO
WebSockets
Advanced Debugging
Testing
Testing Frameworks
Test Runner
Environment Variables
Dev vs Prod
CI/CD
Security
Deployment
Logging
Monitoring & Observability
Performance
Child Process
Cluster
Worker Threads
Microservices
WebAssembly
HTTP/2
Performance Hooks
VM
TLS/SSL
Network
Compression
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The Exercise
The exercises are a mix of "multiple choice" and "fill in the blanks" questions. There are between 3 and 9 questions in each catergory. The answer can be found in the corresponding tutorial chapter. If you're stuck, or answer wrong, you can try again or hit the "Show Answer" button to see the correct answer.