usestate hook
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>
);
}initialize state react
class App extends React.Component {
constructor(props) {
// Required step: always call the parent class' constructor
super(props);
// Set the state directly. Use props if necessary.
this.state = {
loggedIn: false,
currentState: "not-panic",
// Note: think carefully before initializing
// state based on props!
someInitialValue: this.props.initialValue
}
}
render() {
// whatever you like
}
}Copyright © 2021 Codeinu
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