/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

1 vote254 views2 answers
How to use gif in react native
Javascript React
0 vote263 views1 answer
Ionic react exit app
Javascript React
4 votes270 views1 answer
External site links in react Link
Javascript React
16 votes249 views2 answers
Where to put background images in react app
Javascript React
0 vote274 views1 answer
React how to block render if data is not fetched yet
Javascript React
0 vote248 views1 answer
React native text input number only
Javascript React
0 vote244 views1 answer
Too many open files react native
Javascript React
0 vote261 views1 answer
How to make image slider in react js
Javascript React
0 vote251 views2 answers
React rating with fractions
Javascript React
0 vote256 views1 answer
React make setstate synchronous
Javascript React