e>error_class</code></td>
                  <td><span class="label label-primary">string</span></td>
                  <td><code>error</code></td>
                  <td>The class that will be applied to the button when a promise is rejected (resulted in an error).</td>
                </tr>
                <tr>
                  <td><code>progress_disable</code></td>
                  <td><span class="label label-default">boolean</span></td>
                  <td><code>true</code></td>
                  <td