/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 vote147 views1 answer
Get height webview from url video react native
Javascript React
0 vote148 views3 answers
React loop through array
Javascript React
0 vote142 views1 answer
How to set dynamic size in react js
Javascript React
1 vote128 views2 answers
React capitalize first letter
Javascript React
1 vote180 views1 answer
Angular validators number only in reactive form
Javascript React
0 vote85 views1 answer
React node github project
Javascript React
0 vote135 views1 answer
React-with-firebase-auth
Javascript React
0 vote168 views1 answer
Set cors for a react node application socket error
Javascript React
0 vote143 views2 answers
React rating with fractions
Javascript React
0 vote146 views1 answer
React firebase add doc to collection
Javascript React