Why is there a delay in reflecting a change when using the useState set method?

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The delay in reflecting a change when using the useState set method is due to the asynchronous nature of the React state updates. When the set method is called, React schedules a re-render of the component and updates the state in the next render cycle. Therefore, any code that relies on the updated state should be written in a way that takes into account this delay. React also batches multiple state updates that occur during the same render cycle into a single update for better performance, which can also cause delays in reflecting the changes.