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cheatsheets
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Add deps to useEffect

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Kier Borromeo 2020-04-04 04:54:30 +08:00 committed by GitHub
parent 447de944e4
commit a652d427eb
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1 changed files with 3 additions and 3 deletions
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react.md
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@ -365,7 +365,7 @@ function Example() {
useEffect(() => { useEffect(() => {
// Update the document title using the browser API // Update the document title using the browser API
document.title = `You clicked ${count} times`; document.title = `You clicked ${count} times`;
}); }, [count]);
return ( return (
<div> <div>
@ -401,7 +401,7 @@ function FriendStatus(props) {
return () => { return () => {
ChatAPI.unsubscribeFromFriendStatus(props.friend.id, handleStatusChange); ChatAPI.unsubscribeFromFriendStatus(props.friend.id, handleStatusChange);
}; };
}); }, [props.friend.id]);
if (isOnline === null) { if (isOnline === null) {
return 'Loading...'; return 'Loading...';