React usePrevious custom hook | Track last value of state | React Machine Coding
🚀🚀 Hello Everyone,
In this video, we have discussed, How we can track the last value of any state inside the function component. Such problems are generally asked in the React Coding/ Machine Coding round at the Frontend interview.
Problem Statement: Write the usePrevious hook that helps track the last value of the state inside the function component.
We have discussed the following aspects:
1. useEffect render cycle & useRef
2. Approach to the solution
3. Refactor the solution/create the re-useable hook
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Thanks,
Manish K. Dudeja
#javascript #reactjs #frontendinterview #interviewquestion