HackerEarth
HackerEarth

Frontend Engineer

Creating a Custom React Hook

Hard
ROUND 1codingCandidate Not Selected

Create a custom React hook that synchronizes a state value with localStorage. The hook should: - Read the initial value from localStorage - Keep React state and localStorage in sync - Return the current value and a setter function - Handle changes to the storage key correctly.

This question was asked in

HackerEarth Frontend Engineer Interview Experience

The HackerEarth interview process involved a single round and covered a broad range of topics related to CSS, JavaScript, and React. Candidates can expect questions focused on event handling, CSS layout properties, and the workings of React hooks and components. Overall, the interview presented a moderate difficulty level, challenging candidates to demonstrate both their technical knowledge and practical coding skills.

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