  }),
])</code></pre>
<p>And yes, this translates to both attributes and properties, and it works just like they would in the DOM. Using <a href=http://brick.mozilla.io/docs/brick-deck>Brick&#39;s <code>brick-deck</code></a> as an example, they have a <code>selected-index</code> attribute with a corresponding <code>selectedIndex</code> getter/setter property.</p>
<pre><code class=language-javascript>m(&quot;brick-deck[selected-index=0]&quot;, [/* ... */]) // lowercase
m(&quot;brick-deck[selectedIndex=0]&quo