Components in React Explained | Functional vs Class Components (With Examples) Part -1

Are you confused about what components really are in React?
Or wondering what is the difference between functional components and class components, and which one you should use today?

Components are the foundation of React, and this is a very common React interview topic. Many beginners get confused between functional and class components.

In this video, we’ll explain React components clearly, deeply, and from an interview + internals perspective.

📌 In this video, you’ll learn:
✅ What is a component in React
✅ Why React uses a component‑based architecture
✅ What are functional components
✅ What are class‑based components
✅ Functional vs class components (clear differences)
✅ State & lifecycle in functional components (hooks)
✅ State & lifecycle in class components
✅ Why modern React prefers functional components
✅ Interview tips to explain components confidently

📌 This is Episode 7 of the React Interview Series from Fullstack Diaries — focused on React fundamentals, internals, and interview‑ready concepts.

👨‍💻 Whether you’re a React beginner, JavaScript developer, or preparing for React interviews, this video is for you.

💬 Let’s Connect:
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📧 Business inquiries: fullstackdiaries01@gmail.com
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💡 Don’t Forget To:
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💬 Comment: Which component do you use more — functional or class?
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