Build fast, resilient optimistic UI updates in React. Learn patterns, rollback, and examples using plain hooks and TanStack Query.
Build a headless React UI component library step by step—accessibility, state, TypeScript, testing, and packaging—using a fully featured Tabs example.
Learn React lazy loading and code splitting with Suspense, routes, and bundlers. Includes patterns, pitfalls, and performance tips.
Learn how to diagnose and fix React hydration mismatches with step-by-step checks, common causes, and production-safe patterns for SSR and Next.js.
A practical guide to React Jotai atomic state: concepts, patterns, async atoms, performance, TypeScript, SSR, testing, and pitfalls.
Learn modern form handling with React Server Actions: validation, pending UI, redirects, file uploads, security, and testing—using practical Next.js examples.
