<td>uk-sortable-placeholder</td>
                            <td>The placeholder class.</td>
                        </tr>
                        <tr>
                            <td><code>cls-drag</code></td>
                            <td>String</td>
                            <td>uk-sortable-drag</td>
                            <td>The ghost class.</td>
                        </tr>
                        <tr>
                            <td><code>cls-drag-state</code></td>
                         