joboccara · April 23, 2021 12:52
diff --git a/CountContextProvider.js b/CountContextProvider.js
 const countRef = React.useRef(count);
  countRef.current = count;
  const onClickMemo = React.useCallback(
    () => window.alert(`clickMemo, count: ${countRef.current}`),
    []
  );
	const countRef = React.useRef(count);
	countRef.current = count;
	const onClickMemo = React.useCallback(
	() => window.alert(`clickMemo, count: ${countRef.current}`),
	[]
	);