Practice what they ask, not what's trendy.
Every category groups questions by interview surface. Pick one and drill in. Every answer comes with depth, code, and trade-offs.
Hooks, Fiber, concurrent rendering, hydration, and performance.
169 problem set covering every 75 problems plus deeper coverage across all major patterns.
Closures, async, prototypes, modules, and language internals.
Frontend architecture for scale, micro-frontends, modular apps.
Bundle size, Core Web Vitals, virtualization, caching.
75 hand-picked, priority-ranked LeetCode problems. Arrays, graphs, trees, DP, and more
Build live: autocomplete, infinite scroll, carousels, etc.
Project deep dives, leadership, collaboration, trade-offs.
Event loop, V8, GC, rendering pipeline, paint and layout.
Layout, specificity, animations, modern Grid/Flex.
Curated frontend friendly DSA: BFS/DFS, sliding window, binary search, trees, and patterns.
HTTP, caching, CORS, WebSockets, HTTP/2 vs HTTP/3.
XSS, CSRF, CSP, cookies, auth flows, OWASP for frontend.
ARIA, keyboard navigation, screen readers, WCAG.
App Router, server components, SSR/SSG/ISR, hydration, and data fetching.
Unit, integration, E2E, mocking, RTL, Playwright, Cypress.
Generics, conditional types, inference, and design patterns.
Semantics, forms, accessibility primitives, web components.