td><code><b>hasLayer</b>(
<nobr>&lt;<a href="/mapbox.js/api/v3.3.1/l-ilayer">ILayer</a>&gt; <i>layer</i> )</nobr>
</code></td>

<td><code>Boolean</code></td>
<td>Returns <code><span class="literal">true</span></code> if the given layer is currently added to the group.</td>
	</tr>
	<tr>
<td><code><b>getLayer</b>(
<nobr>&lt;String&gt; <i>id</i> )</nobr>
</code></td>

<td><code><a href="/mapbox.js/api/v3.3.1/l-ilayer">ILayer</a></code></td>
<td>Returns the layer with the given id.</td>
	</tr>
	<