/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 vote189 views1 answer
Background image in react from variable
Javascript React
1 vote197 views1 answer
React admin newrecords.foreach is not a function
Javascript React
4 votes197 views2 answers
React get url params in class component
Javascript React
0 vote175 views1 answer
React-redux form preventdefault
Javascript React
0 vote179 views1 answer
React firebase add doc to collection
Javascript React
2 votes209 views3 answers
Select the items from selectors in .map reactjs
Javascript React
0 vote192 views1 answer
Installe datatable to reactjs project
Javascript React
0 vote177 views1 answer
React features
Javascript React
0 vote173 views1 answer
I18n react get current language
Javascript React
33 votes182 views5 answers
Img tag in react
Javascript React