A few extremely basic web component examples (using Custom elements, Shadow DOM, HTML templates and HTML imports).
<!-- Ex Clock Component -->
<ex-clock hours="24" display="fill"></ex-clock>
<!-- Ex Hero Component -->
<ex-hero display="outline">
<h1 slot="title">Lorem Ipsum</h1>
<p slot="content">Vestibulum eleifend porttitor mollis.</p>
</ex-hero>
<!-- Ex Lifecycle Component -->
<ex-lifecycle></ex-lifecycle>