React Basics

React Basics is a comprehensive learning repository centered on React 19 and the wider modern React ecosystem. It covers JSX, components, props, state, lifecycle behavior, forms, Context, and major React hooks. Intermediate and advanced material explores performance optimization, error boundaries, lazy loading, Suspense, and code splitting. State management resources include Redux, Redux Toolkit, middleware, selectors, and RTK Query. Testing material covers Jest, React Testing Library, snapshots, mocks, and unit-testing patterns. The repository also extends into React Router and Next.js concepts such as Server Components, App Router, SSR, SSG, and ISR. Coding exercises, quick references, FAQs, best practices, and scenario-based questions support both learning and interview preparation.