Udemy – Complete React JS Front-End Development (React 19)

This comprehensive React JS course is designed to take you from absolute fundamentals to advanced, real-world React development, including the latest features introduced in React 19. Whether you are a beginner starting your React journey or a developer looking to upgrade your skills with modern hooks, routing, APIs, and performance optimization, this course provides a complete, structured learning path.

Section 1: Course Introduction & Learning Roadmap

Section 2: React JS Fundamentals – Core Concepts You Must Know

• 1. React JS Introduction & Project Setup (Beginner Guide)
•  2. JSX in React: Basics of Rendering Elements
• 3. JSX Expressions in React: Rendering Variables, Arrays & Objects
• 4. Rendering Lists in React Using map()
• 5. Conditional Rendering in React Applications
• 6. React Functional Components & Props Explained
• 7. Styling React Apps with CSS, CSS Modules & Bootstrap
• 8. Event Handling in React: User Interactions Explained
• 9. Event Propagation & Controlled Components in React Forms
• 10. Component Composition in React for Reusable UI

Section 3: Forms & User Input Handling in React (Complete Guide)

• 1.  Forms in React vs Traditional HTML Forms
• 2. Controlled Components in React (Managing Inputs with State)
• 3. Uncontrolled Components in React (Using useRef)
• 4. Handling User Input & Form Submission in React
• 5. Working with Number Inputs & Textarea Fields
• 6. Handling Checkboxes & Radio Buttons in React
• 7. Select Dropdowns & Option Lists in React
• 8. File Upload Input Handling in React
• 9. Managing Multiple Form Inputs with a Single State Object
• 10. Basic Form Validation & Displaying Error Messages

Section 4: Client-Side Navigation with React Router DOM

• 1. React Router DOM Explained – What, Why & How
• 2. React Router Basics: BrowserRouter, Routes & Route
• 3. React Navbar with React Router: Link & NavLink
• 4. Nested & Index Routes in React Router (Advanced)
• 5. Dynamic Routes in React using useParams Hook
• 6. Query Parameters in React Router with useSearchParams
• 7. Lazy Loading Routes & Code Splitting in React
• 8. 404 Page in React Router & Passing Props to Routes
• 9.  Programmatic Navigation in React Router using useNavigate