### 1. What is a Meta Type? ### 2. What is DOCTYPE? ### 3. What Happens When We Put the Script File in the Head, Body, and at the Top of the Body Tag? - ### 4. What Are Attributes? ### 5. Which Tag is Used if We Want a Calendar in HTML? ### 6. What Are Semantic Elements? ### 7. What is Defer and Async, and How Does It Affect HTML Parsing? ### 8. Ways to Center a Div ### 9. Pseudo-class and Pseudo-elements ### 10. What is !important? ### 11. Different Ways of Styling HTML ### 12. What is Box Model? ### 13. Difference Between Virtual DOM and Real DOM ### 14. Difference Between Deep Copy and Shallow Copy ### 15. How Browser Updates the Real DOM ### 16. Why Do We Need React When We Could Have Built Web Pages Using JS? ### 17. What Are Hooks? ### 18. What is useCallback, useMemo, and Their Differences?