td>No</td>
<td>A serialization method to be applied to <code>body</code>. Defaults to <code>JSON.stringify</code>, or if <code>options.body</code> is an instance of <a href=https://developer.mozilla.org/en/docs/Web/API/FormData><code>FormData</code></a>, defaults to the <a href=https://en.wikipedia.org/wiki/Identity_function>identity function</a> (i.e. <code>function(value) {return value}</code>).</td>
</tr>
<tr>
<td><code>options.deserialize</code></td>
<td><code>any = Function(any)</code></td>
<td>No</td>