WEEK 2 (BASIC QUESTION IN JS)

1. What is JavaScript?
2. What is the difference between JavaScript and Java?
3. What are the features of JavaScript?
4. What is a variable in JavaScript?
5. What are the different data types in JavaScript?
6. What is the difference between var, let, and const?
7. What is a function in JavaScript?
8. What is the difference between function declaration and function expression?
9. What is an operator in JavaScript?
10. What is the difference between == and ===?
11. What is hoisting in JavaScript?
12. What is the difference between null and undefined?
13. What is a string, number, boolean in JavaScript?
14. What is an object in JavaScript?
15. What is an array in JavaScript?
16. What is the difference between primitive and reference types?
17. What is the this keyword in JavaScript?
18. What is the difference between synchronous and asynchronous JavaScript?
19. What is an event in JavaScript?
20. What is DOM in JavaScript?