
<td>A deserialization method to be applied to the <code>xhr.response</code> or normalized <code>xhr.responseText</code>. Defaults to the <a href=https://en.wikipedia.org/wiki/Identity_function>identity function</a>. If <code>extract</code> is defined, <code>deserialize</code> will be skipped.</td>
</tr>
<tr>
<td><code>options.extract</code></td>
<td><code>any = Function(xhr, options)</code></td>
<td>No</td>
<td>A hook to specify how the XMLHttpRequest response should be read. Useful for processing response