Custom React Hooks: Creating a simple useClock hook to display the time
Let's build a simple custom hook in React that displays the time. The hook can be re-used across different components.
We are going to learn about the importance of returning a clean up function in our useEffect to avoid processes running unnecessarily when our components using the custom hook have been unmounted.
Live demo: https://codesandbox.io/s/github/kosta...
Source code: https://github.com/kostasx/LearnJavas...
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