Are you preparing for React.js or MERN Stack interviews in 2025? In this video, I explain the most important React interview questions with simple examples and real-time scenarios. Perfect for beginners, freshers, and 1–2 years experienced developers. 🎯 What You Will Learn in This Video ✔ React disadvantages ✔ Difference between React and Angular ✔ What is DOM & Virtual DOM ✔ Real-world React interview questions ✔ How React works behind the scenes ✔ Best answers for React developer interviews ✔ Tips to crack MERN/Frontend Developer interviews 🔥 Topics Covered in Detail 1️⃣ Disadvantages of React JSX complexity Too many updates/libraries Depends on third-party libraries No full framework structure Steep learning curve for beginners 2️⃣ React vs Angular 🔸 React: Library, virtual DOM, faster, flexible 🔸 Angular: Full framework, real DOM/Shadow DOM, opinionated, built-in tools 3️⃣ What is DOM? DOM stands for Document Object Model Browser structure of HTML as nodes & elements React improves performance using Virtual DOM 💼 Ideal For: MERN Stack developers React.js beginners & intermediate Frontend Developer job seekers Students preparing for technical rounds Anyone learning React fundamentals React interview questions 2025 React vs Angular React disadvantages DOM vs Virtual DOM React interview preparation MERN stack interview questions Frontend developer interview questions React JS tutorial for beginners React technical interview React concepts explained React 18 interview questions JavaScript interview questions React learning for beginners Virtual DOM explained Angular vs React vs Vue React coding interview questions