react hooks update state property code example
Example 1: update object in react hooks
- Through Input
const [state, setState] = useState({ fName: "", lName: "" });
const handleChange = e => {
const { name, value } = e.target;
setState(prevState => ({
...prevState,
[name]: value
}));
};
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- Through onSubmit or button click
setState(prevState => ({
...prevState,
fName: 'your updated value here'
}));
Example 2: update state in useState hook
// declare state using useState hook.
// someState is set to someInitialState
const [someState, setSomeState] = useState(someInitialState);
// setSomeState updates the current state
setSomeState(someOtherState);