s of the tile service. Can be passed in the form of one string (where each letter is a subdomain name) or an array of strings.</td>
	</tr>
	<tr>
<td><code><b>errorTileUrl</b></code></td>
<td><code>String</code></td>
<td><code><span class="string">''</span></code></td>
<td>URL to the tile image to show in place of the tile that failed to load.</td>
	</tr>
	<tr>
<td><code><b>attribution</b></code></td>
<td><code>String</code></td>
<td><code><span class="string">''</span></code></td>
<td>e.g. "&cop