import usestate
import React, { useState } from 'react';import usestate
class Example extends React.Component {
constructor(props) {
super(props);
this.state = {
count: 0
};
}
render() {
return (
<div>
<p>You clicked {this.state.count} times</p>
<button onClick={() => this.setState({ count: this.state.count + 1 })}>
Click me
</button>
</div>
);
}
}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);Copyright © 2021 Codeinu
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