Event handlers
const theLogoIsClicked = () => alert('Clicked');
// onClick event
<Logo onClick={ theLogoIsClicked } />
// onChange event
<input
type='text'
onChange={event => theInputIsChanged(event.target.value) } />class Switcher extends React.Component {
render() {
return (
<button onClick={ this._handleButtonClick }>
click me
</button>
);
}
_handleButtonClick() {
console.log('Button is clicked');
}
};ข้อคิด
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