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React Interview Questions

100 questions · Page 7 of 10

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Q61.

What is incremental static regeneration (ISR)?

Q62.

How to implement code splitting in React?

Q63.

Explain suspense for data fetching.

Q64.

What is transition API in React 18?

Q65.

What is useTransition?

Q66.

What is useDeferredValue?

Q67.

What are portals in React?

Q68.

How does React handle memory leaks?

Q69.

How to cancel async requests in useEffect?

Q70.

How does React handle reconciliation with keys?