Beginner’s Guide to React: Learn Components, JSX, Props, and State – A Hands-on Introduction to Modern Frontend Development with React by Frontend Warrior

This presentation is brought to you by Frontend Warrior — a platform dedicated to helping developers master frontend technologies through real-world practice.

In this deck, you'll get a beginner-friendly introduction to React, covering key concepts like components, JSX, props, state, and more.

Whether you're new to frontend development or looking to sharpen your skills, this is the perfect place to start.

👉 Explore more at frontendwarrior.com

Transcript

1. Confidential Copyright © 1 React Learn React Once and Write Everywhere
2. Confidential Copyright © 2 Prerequisites for Learning ReactJS? 1. HTML 2. CSS 3. Javascript(ES6) 4. DOM Manipulation Using JS
3. Confidential Copyright © 3 What Is React
4. Confidential 4 Copyright © 4 React is a Most Popular JS Library to create Fast & Interactive UIs
5. Confidential Copyright © 5 Founded by facebook team in 2011, Open sourced and now loved by the world!
6. Confidential Copyright © 6 React is built on top of Javascript, so all rules of JS still apply to React
7. Confidential Copyright © 7 Top Companies Using Reactjs 1. Netflix 2. Whatsapp 3. Facebook 4. Instagram 5. Salesforce 6. Dropbox 7. Walmart 8. Yahoo
8. Confidential Copyright © 8 What makes React so popular? 1. Ease of Development 2. Single page application 3. Fast Performance 4. Declarative UI 5. Easy to maintain
9. Confidential Copyright © 9 What makes React so popular? 1. Ease of Development 2. Single page application 3. Fast Performance 4. Declarative UI 5. Easy to maintain
10. Confidential Copyright © 10 What makes React so popular? 1. Ease of Development 2. Single page application 3. Fast Performance 4. Declarative UI 5. Easy to maintain Reusable components Avoid Re Rendering of same components
11. Confidential Copyright © 11 What makes React so popular? 1. Ease of Development 2. Single page application 3. Fast Performance 4. Declarative UI 5. Easy to maintain Slowest part of webpage is DOMʼs UI rendering
12. Confidential Copyright © 12 What makes React so popular? 1. Ease of Development 2. Single page application 3. Fast Performance 4. Declarative UI 5. Easy to maintain React batches your updates
13. Confidential Copyright © 13 What makes React so popular? 1. Ease of Development 2. Single page application 3. Fast Performance 4. Declarative UI 5. Easy to maintain
14. Confidential Copyright © 14 What makes React so popular? 1. Ease of Development 2. Single page application 3. Fast Performance 4. Declarative UI 5. Easy to maintain We will discuss point 4 and 5 later. Now itʼs time to Code!
15. Confidential Copyright © 15 Thatʼs it for today!