React Js Toast Message | Notification

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/react/17.0.2/umd/react.production.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/17.0.2/umd/react-dom.production.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/babel-standalone/6.26.0/babel.min.js"></script>
</head>
<body>
    <div id="app"></div>
    <script type="text/babel">
        const { useState } = React;

function App() {
            const [toastVisible, setToastVisible] = useState(false);
            const [toastContent, setToastContent] = useState('');

const handleToastClick = () => {
                const dynamicContent = 'This is a dynamically generated message!';
                setToastContent(dynamicContent);
                setToastVisible(true);
                setTimeout(() => {
                    setToastVisible(false);
                }, 5000);
            };

return (
                <div className='container'>
                    <h3>React Js Toast Message | Notification</h3>
                    <button id="toast-btn" className="toast button" onClick={handleToastClick}>
                        Toast Message
                    </button>
                    {toastVisible && (
                        <div className="toast-container ">
                            <div className="toast" role="alert" aria-live="assertive" aria-atomic="true">
                                <div className="toast-body">{toastContent}</div>
                            </div>
                        </div>
                    )}
                </div>
            );
        }

ReactDOM.render(<App />, document.getElementById("app"));
    </script>
    <style>
        * {
            box-sizing: border-box;
        }

body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
        }

.container {
            text-align: center;
            padding: 20px;
            box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.12), 0 2px 4px 0 rgba(0, 0, 0, 0.24);
            margin: 0 auto;
            width: 600px;
        }

h3 {
            margin-bottom: 20px;
        }

.toast.button {
            padding: 10px 20px;
            background-color: #007bff;
            color: #fff;
            border: none;
            border-radius: 4px;
            cursor: pointer;
        }

.toast-container {
            position: fixed;
            bottom: 20px;
            right: 20px;
            z-index: 9999;
        }

.toast {
            position: relative;
            min-width: 300px;
            padding: 10px 20px;
            background-color: #343a40;
            color: #fff;
            border: 1px solid #343a40;
            border-radius: 4px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);

transition: opacity 0.3s ease-in-out;
        }

.toast-body {
            margin-bottom: 0;
        }
    </style>
</body>

</html>