/Javascript/React/Javascript react useState update object

Javascript react useState update object

- Through Input

        const [state, setState] = useState({ fName: "", lName: "" });
        const handleChange = e => {
            const { name, value } = e.target;
            setState(prevState => ({
                ...prevState,
                [name]: value
            }));
        };

        <input
            value={state.fName}
            type="text"
            onChange={handleChange}
            name="fName"
        />
        <input
            value={state.lName}
            type="text"
            onChange={handleChange}
            name="lName"
        />
   ***************************

 - Through onSubmit or button click
    
        setState(prevState => ({
            ...prevState,
            fName: 'your updated value here'
         }));

Source: stackoverflow.com

Similar codes

0 vote210 views1 answer
Nextjs react native web typescript
Javascript React
1 vote214 views1 answer
Minimum flatlist size react native
Javascript React
0 vote267 views1 answer
Attempted import error: 'useDispatch' is not exported from 'react-redux'
Javascript React
0 vote240 views1 answer
Cookies in react native
Javascript React
0 vote199 views1 answer
How to rerender a page in React when the user clicks the back button
Javascript React
1 vote207 views1 answer
React native textinput no keyboard
Javascript React
1 vote189 views1 answer
React 360
Javascript React
23 votes224 views6 answers
Map react
Javascript React
0 vote198 views1 answer
Add two export in same page react
Javascript React
0 vote242 views1 answer
Jest mock react-redux hooks
Javascript React