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React Developer Interview Questions

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3,484 react developer interview questions shared by candidates

Event loop debounce & throttling hooks and what you are using explain useEffect redux & context when and where you will use explained lazy loading & suspense & usecallback usememo, react.memo discussed about optimization
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React Developer

Interviewed at Persistent Systems

4.2★
Dec 24, 2025

Event loop debounce & throttling hooks and what you are using explain useEffect redux & context when and where you will use explained lazy loading & suspense & usecallback usememo, react.memo discussed about optimization

JS closure, hoisting, setTimeout Reverse String without in-built function. Component Life-cycle. CSS - positions in css, pseudo-element and pseudo-class, difference between inline, block and inline-block. few js coding problem.
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React Developer

Interviewed at HashedIn by Deloitte

4★
Oct 5, 2020

JS closure, hoisting, setTimeout Reverse String without in-built function. Component Life-cycle. CSS - positions in css, pseudo-element and pseudo-class, difference between inline, block and inline-block. few js coding problem.

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