/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 vote266 views1 answer
Altenrive for react native
Javascript React
0 vote256 views1 answer
How to clear form fields in react after submit
Javascript React
0 vote242 views2 answers
Why we use react js
Javascript React
1 vote255 views1 answer
React render html variable
Javascript React
0 vote287 views1 answer
Infinite scroll for chat react js
Javascript React
0 vote261 views2 answers
React native navigation header Right
Javascript React
0 vote285 views1 answer
Props with ternary in react
Javascript React
0 vote289 views1 answer
Horizontal scrollview in react js
Javascript React
0 vote273 views1 answer
React call component state
Javascript React
1 vote268 views1 answer
React manifest.json 404 (not found)
Javascript React