✅ 1. What ReactJS Is (2025 Definition)
ReactJS is a JavaScript library for building fast, interactive, component-based user interfaces.
Created by Facebook (Meta), React is known for:
Reusable UI components
Virtual DOM for high performance
Unidirectional data flow
Strong ecosystem & community support
🚀 2. What’s New in React (2024–2025 updates)
✔ React Server Components (RSC) – Default in modern apps
RSC improves performance by running components on the server, reducing bundle size significantly.
If you want, I can also prepare:
✅ ReactJS Syllabus (Beginner to Advanced)
✅ ReactJS Interview Questions (2025)
✅ React + Next.js Full Roadmap
✅ React Project Ideas (2025)
