React 16 portals event bubbling demo

amd-medium-portals-event-bubbling.jsx

class Modal extends Component {
   constructor(props) {
        super(props);
   }
   
    render() {
        const node = document.getElementById(‘modal’);
        return ReactDOM.createPortal(this.props.children, node);
    }
}

class Info extends Component {
   constructor(props) {
        super(props);
   }
   
   render() {
       return (
	    <div onClick={this.handleClick}>
		<Modal>
		    <div>
			Modal
			<button>click</button>
		    </div>
		</Modal>
	    </div>
       );
    }
}