/Javascript/React/React usestate functional update

React usestate functional update

() => setCount(prevCount => prevCount - 1)

Source: reactjs.org

Update state in useState hook

// declare state using useState hook.
// someState is set to someInitialState
const [someState, setSomeState] = useState(someInitialState);

// setSomeState updates the current state 
setSomeState(someOtherState);

Source: reactjs.org

Similar codes

0 vote132 views1 answer
React add link to button
Javascript React
1 vote140 views1 answer
How to set state when change viewport react
Javascript React
0 vote128 views1 answer
Reactjs exemple class component
Javascript React
55 votes114 views6 answers
Useref in react
Javascript React
-2 votes96 views2 answers
React gsap
Javascript React
0 vote127 views1 answer
Npm react-native-async-storage
Javascript React
0 vote130 views1 answer
Label tag alternative in react native
Javascript React
1 vote125 views1 answer
REACt helmet og tags DONT WORK
Javascript React
0 vote134 views1 answer
Angular reactive form remove validation
Javascript React
0 vote132 views2 answers
.env file example react native
Javascript React