Avoiding useEffect with callback refs

Ref is a reserved property on build-in primitives, where React will store the DOM node after it was rendered. It will be set back to null when the component is unmounted. The linter won't complain about adding it to the dependency array, and the ref is also not read during render. The effect will run once "on mount" (twice in strict mode. If the react element unmounts, it will be called once more. The react element is called once again. The reaction element was called once further. The ref is called again. It will also be called as an argument.