react usestate functional component code example
Example 1: functional component react with state
import React, { useState } from 'react';
function Example() {
// Declare a new state variable, which we'll call "count" const [count, setCount] = useState(0);
return (
<div>
<p>You clicked {count} times</p>
<button onClick={() => setCount(count + 1)}>
Click me
</button>
</div>
);
}
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);