ReactJS: Basic to Advanced

A complete bilingual React course, from what a component is all the way to hooks, routing, performance optimization, and the very latest React 19.2 features and the React Compiler. Every page is written in both English and Bengali, with runnable JSX examples.

Introduction to React

What is React & Why Use It?Setting Up a React Project

JSX & Components

JSX: Syntax & Rules Components & Props

State & Events

State with useState & Handling Events Lists, Keys & Conditional Rendering

Hooks Deep Dive

useEffect: Side Effects & Lifecycle useRef, useContext & useReducer Custom Hooks

Forms & Routing

Forms & Lifting State Up Routing with React Router

Performance Optimization

Performance: memo, useMemo, useCallback & Code Splitting

Latest Functionalities & Features

React 19: Actions, New Hooks & Server Components React Compiler & React 19.2 (2025–2026 Updates)

Practice Exercises & Next Steps

Practice Exercises & Next Steps

ReactJS Tutorial — Basic to Advanced (English & Bengali) | DevNotes