Desired effect: rows (tr) with class do-not-sort excluded from containment using jQuery.sortable.
Current code: (containment: 'parent'/containment: '.sortable-body')
<table>
    <thead>
        <tr>
            <th>Field 1</th>
            <th>Field 2</th>
        </tr>
    </thead>
    <tbody class="sortable-body">
        <tr>
            <td>Sortable Field 1</td>
            <td>Sortable Field 2</td>
        </tr>
        <tr>
            <td>Sortable Field 1</td>
            <td>Sortable Field 2</td>
        </tr>
        <tr class="do-not-sort">
            <td colspan="2"><a href="#">Add Row</a></td>
        </tr>
    </tbody>
</table>
How can I exclude the 'do-not-sort' row at the end (!) of a tbody from the containment? The following didn't work:
containment: '.sortable-body tr:not(.menu-rij-toevoegen)'
 
     
     
    