AlpineJS Hello World

index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>AlpineJS Hello World</title>
</head>
<body>
    <div x-data="app()">
        <button x-on:click="toggleMessage()" x-text="messageShow ? 'Hide': 'Show'"></button>
        <h1 x-show="messageShow" x-text="message"></h1>
    </div>
    <script>
        function app() {
            return {
                message: 'Hello World',
                messageShow: true,
                toggleMessage() {
                    this.messageShow = !this.messageShow
                }
            }
        }
    </script>
    <script src="https://cdn.jsdelivr.net/gh/alpinejs/alpine@v2.x.x/dist/alpine.min.js" defer></script>
</body>
</html>