import React from 'react';
import ReactDOM from 'react-dom';

const App = () => {
    let myWindow;

    const openWindow = () => {
        myWindow = window.open('https://google.com')
    }

    const closeWindow = () => {
        myWindow.close()
    }

    return (
        <div>
            <button onClick={openWindow}>Open</button>
            <button onClick={closeWindow}>Close</button>
        </div>
    )
}

ReactDOM.render(<App />, document.getElementById('root'))