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React Interview Questions

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61.

What is the `key` prop and why is it important?

intermediate

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62.

What is React.StrictMode?

intermediate

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63.

What are React Portals?

intermediate

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64.

How do you handle forms with multiple inputs efficiently?

intermediate

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65.

What is useId hook?

intermediate

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66.

What is the Container/Presentational component pattern?

intermediate

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67.

How do you optimize images in React applications?

intermediate

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68.

How do you test custom hooks?

intermediate

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69.

What is Server-Side Rendering (SSR) vs Client-Side Rendering (CSR)?

intermediate

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70.

What is Static Site Generation (SSG)?

intermediate

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71.

How do you handle state persistence across page refreshes?

intermediate

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72.

What is the difference between useLayoutEffect and useEffect?

intermediate

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73.

What are the performance implications of Context?

expert

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74.

What is Redux and how does it work with React?

expert

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75.

What are some common React performance optimization techniques?

expert

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76.

How do you create Error Boundaries with Hooks?

expert

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77.

What are Higher-Order Components (HOCs)?

expert

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78.

What is the Render Props pattern?

expert

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79.

What is Component Composition and how does it compare to inheritance?

expert

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80.

What are Compound Components?

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Showing 61 to 80 of 103 results

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