### 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?
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### 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?
