State on React class Component
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>
);
}
}use state in className
Standard fair:
const [toggleClass, setToggleClass] = useState(false)
return <div className={toggleClass ? 'some-class' : ''} />
Using template literals:
const [toggleClass, setToggleClass] = useState(false)
return <div className={`some-class ${toggleClass ? 'some-class' :''}`} />Copyright © 2021 Codeinu
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