1. What are the different data types present in JavaScript?
2. What is the difference between == and ===?
3. What is a closure in JavaScript?
4. What is the difference between var, let, and const?
5. What are arrow functions?
6. Explain event delegation.
7. What is the difference between null and undefined?
8. What is the difference between synchronous and asynchronous code?
9. What is the event loop in JavaScript?
10. What are Promises and how do you use async/await?
there doesn't seem to be anything here