What is React and why would you use it? React is a JavaScript library for building user interfaces, mainly for single-page

pplications. It helps developers create reusable UI components, manage state efficiently,

nd update the UI in a performant way.

✅ Why use React?

• Easy to break UIs into components
• Efficient updates with Virtual DOM
• Rich ecosystem (React Router, Redux, etc.)
• Backed by Facebook and a large community