React Js Refresh Page onClick

<!DOCTYPE html>
<html>

<body>
    <div id="app"></div>
    <script type="text/babel">
        function App() {
            const reloadPage = () => {
                 window.parent.location.reload();
            };

return (
                <div className='container'>
                    <h1>React Js Reload/Refresh Page on click</h1>
                    <button onClick={reloadPage}>Reload Page</button>
                </div>
            );

}

ReactDOM.render(<App />, document.getElementById("app"));
    </script>

}

</style>
</body>

</html>

 
<!DOCTYPE html>
<html>
​
<head>
    <meta charset="UTF-8" />
    <script src="https://unpkg.com/react@17.0.2/umd/react.development.js"></script>
    <script src="https://unpkg.com/react-dom@17.0.2/umd/react-dom.development.js"></script>
    <script src="https://unpkg.com/@babel/standalone@7.14.7/babel.min.js"></script>
</head>
​
<body>
    <div id="app"></div>
    <script type="text/babel">
        function App() {
            const reloadPage = () => {
                 window.parent.location.reload();
            };
​
            return (
                <div className='container'>
                    <h1>React Js Reload/Refresh Page on click</h1>
                    <button onClick={reloadPage}>Reload Page</button>
                </div>
            );
​
        }
​
        ReactDOM.render(<App />, document.getElementById("app"));
    </script>
​
​
    <style>
        .container {
            margin: 0 auto;
            width: 500px;
            text-align: center;
            box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.12), 0 2px 4px 0 rgba(0, 0, 0, 0.24);
            padding: 20px;
​
        }
​
      
    </style>
</body>
​
</html>