𝗝𝗮𝘃𝗮𝗦𝗰𝗿𝗶𝗽𝘁 𝗮𝗻𝗱 𝗥𝗲𝗮𝗰𝘁𝗝𝗦 (𝗙𝗿𝗼𝗻𝘁-𝗘𝗻𝗱)
- What is the difference between var, let, and const in JavaScript?
- How does the JavaScript event loop work?
- Explain closures in JavaScript with an example.
- What are promises, and how do they differ from async/await?
- What is the difference between shallow and deep copying in JavaScript?
- Explain the difference between == and === in JavaScript.
- What is the virtual DOM, and how does React use it?
- Explain the purpose of React hooks. How does useEffect work?
- What is the difference between controlled and uncontrolled components in React?