class Counter extends React.Component {
    constructor() {
        super();
        this.state = {
            count: 0,
        }
        this.handleClick = this.handleClick.bind(this);
    }

    handleClick = () =>  {
        const newCount = this.state.count + 1;
        this.setState({count: newCount});
    }

    render() {
        const { count } = this.state;
        return (
            <div>
                <p> You've clicked the button {count} times. </p>
                <button onClick={this.handleClick}>Click Me </button>

            </div>
        )
    }
}