module">
      import { modalController } from 'https://cdn.jsdelivr.net/npm/@ionic/core@7/dist/ionic/index.esm.js';
      window.modalController = modalController;
    </script>
  </head>

  <body>
    <ion-app>
      <ion-header>
        <ion-toolbar>
          <ion-title>Controller Modal</ion-title>
        </ion-toolbar>
      </ion-header>
      <ion-content class="ion-padding">
        <ion-button expand="block" onclick="openModal()">Open</ion-button>
        <p id="message">This modal example uses th