Learn React

Learn what React is, how it works, and why it is one of the most widely used UI libraries.

Set up Node.js, package manager, and a React project with modern tooling for development.

Understand a scalable React folder structure and how to organize UI, logic, and data layers.

Learn JSX syntax, function components, props, and rendering basics in React.

Understand how JSX works and how React renders and updates UI efficiently.

Build reusable components and compose complex screens from simple building blocks.

Understand data flow with props and manage local interactive data with state.

Capture and handle user interactions in React using event handlers and synthetic events.

Render alternate UI states based on conditions such as loading, auth, or error states.

Render collections efficiently and avoid UI bugs by using stable keys for list items.

Understand mount, update, and unmount phases and model lifecycle logic with hooks.

Explore practical styling approaches in React including CSS modules, utility CSS, and CSS-in-JS.

Manage local component state and updates correctly using the useState hook.

Run side effects such as data fetching, subscriptions, and DOM syncing with useEffect.

Share data across component trees without prop drilling using context and useContext.

Use refs for DOM access and mutable values that persist across renders without re-rendering.

Optimize rendering by memoizing expensive values and callback references when needed.

Extract reusable stateful logic into custom hooks for cleaner and more maintainable components.

Set up client-side routing for multi-page experiences in single-page React applications.

Build layout-driven route hierarchies using nested routes and the Outlet component.

Protect routes with authentication and authorization checks using wrapper components.

Build predictable and testable forms using controlled inputs in React.

Validate user input with field-level and schema-based strategies for robust form workflows.

Fetch, display, and mutate backend data while handling loading, error, and success states.

Share data between sibling components by moving state to the nearest common ancestor.

Use context effectively with provider and custom-hook patterns for scalable shared state.

Set up predictable global state with Redux Toolkit slices, store configuration, and async logic.

Test React components and user flows using modern unit, integration, and end-to-end strategies.

Catch UI rendering errors and show fallback screens to improve production reliability.

Build inclusive React applications with semantic markup, keyboard support, and ARIA best practices.

Improve app speed with profiling, memoization, code splitting, and efficient rendering patterns.

Build, deploy, and operate React apps in production with CI/CD and runtime best practices.