JSFiddle - React, Tailwind, and code Playground
HTML
<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.4/themes/ui-lightness/jquery-ui.css">
<table>
<tr>
<td>Element 1</td>
<td>…</td>
<td>2008-02-02</td>
<td class="jander" data-pos="0" data-category="1">
</td>
</tr>
<tr>
<td>Element 2</td>
<td>…</td>
<td>2007-02-02</td>
<td class="jander" data-pos="1" data-category="1">
<span> click to move up</span>
</td>
</tr>
</table>
JavaScript
$('span').click(function() {
var row = $(this).closest('tr');
row.prev().insertAfter(row);
});