Dialog
A UI that can emphasize and display necessary content such as alerts, sub-windows, and forms.
Invoker Commands API using to set up the open action is simple.
html
<button class="btn btn-fill" commandfor="mydialog" command="show-modal">Show Dialog</button>
<dialog id="mydialog" class="dialog">
<h2 class="dialog-title">Dialog Title</h2>
<p>Auxiliary text for the dialog goes here. Auxiliary text for the dialog goes here.</p>
<div>
<button>Execute</button>
<button>Close</button>
</div>
</dialog>