Choose a Category
Select a topic to start an AI-powered interview quiz
JS
JavaScript
Core JS concepts, closures, async/await, prototypes, and more
TS
TypeScript
Types, generics, utility types, decorators, and type narrowing
⚛
React
Hooks, component lifecycle, state management, and patterns
N
Next.js
App Router, Server Components, data fetching, and deployment
CSS
CSS
Flexbox, Grid, animations, specificity, and modern CSS features
⚡
Web Performance
Core Web Vitals, loading strategies, caching, and optimization
🏗
System Design
Frontend architecture, scalability, APIs, and design patterns