/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 vote150 views1 answer
Async await react stackoverflow
Javascript React
1 vote162 views1 answer
Disable split screen react native
Javascript React
0 vote154 views1 answer
Require cycle disable warning react native
Javascript React
0 vote185 views1 answer
Set cors for a react node application socket error
Javascript React
17 votes156 views6 answers
React native build android
Javascript React
0 vote154 views1 answer
Js map vs react js map
Javascript React
0 vote152 views1 answer
React hero slider
Javascript React
0 vote110 views3 answers
How to use keyextractor in flatlist react native
Javascript React
0 vote146 views1 answer
How to style navigation drawer react navigation v5
Javascript React
0 vote143 views1 answer
React Spread Attributes conditionally
Javascript React