ent.body, Component)
</code></pre>
<hr>
<h3 id="signature">Signature</h3>
<p><code>m.withAttr(attrName, callback, thisArg?)</code></p>
<table>
<thead>
<tr>
<th>Argument</th>
<th>Type</th>
<th>Required</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>attrName</code></td>
<td><code>String</code></td>
<td>Yes</td>
<td>The name of the attribute or property whose value will be used</td>
</tr>
<tr>
<td><code>callback</code></td>
<td><code>any -&gt; undefined</code></td>
<td>Yes</td>
<td>The callbac