Learn REACT with Real Code Examples

Install Node.js and npm/yarn

Create project using Create React App or Vite

Install React and ReactDOM via npm

Use JSX syntax in `.js` or `.jsx` files

Run project using development server (npm start)

Install Node.js and npm

VS Code or preferred IDE

Browser for testing

React DevTools extension

Optional: TypeScript setup

package.json - project dependencies

webpack.config.js - bundler config

.babelrc - transpiler config

tsconfig.json - for TypeScript React

public/index.html - main HTML template

npx create-react-app my-app - initialize project

npm start - run development server

npm run build - create production build

npm test - run tests

npm install package - add dependencies

React-Intl or i18next libraries

Dynamic language switching

RTL and LTR support

Locale-based formatting for dates/numbers

Translation JSON files or APIs

Use semantic HTML

Focus management and keyboard navigation

ARIA attributes for dynamic components

Screen reader support

Avoid visual-only cues

CSS Modules or Styled Components

Inline styles or CSS-in-JS

Theming via context or libraries

Responsive layouts with CSS/JSX

Animations with React Transition Group or Framer Motion

Local state with useState

Side effects with useEffect

Global state with Context API

Advanced state with Redux/MobX

Persist state with localStorage/sessionStorage

Use props for data passing

Fetch APIs with fetch/axios

Use useReducer for complex state

Cache data to optimize performance

Use Context/Redux for app-wide state