nextUntil accepts DOM nodes and jQuery objects
This fiddle confirms that parentsUntil now accepts DOM nodes and jQuery objects.
HTML
<ul class="level-1">
<li class="item-i">I</li>
<li class="item-ii">II
<ul class="level-2">
<li class="item-a">A</li>
<li class="item-b">B
<ul class="level-3">
<li class="item-1">1</li>
<li class="item-2">2</li>
<li class="item-3">3</li>
</ul>
</li>
<li class="item-c">C</li>
</ul>
</li>
<li class="item-iii">III</li>
</ul>
JavaScript
/** Lines 2 - 8 will turn red if the DOM node works
* They will turn bold if the jQuery-object works
*/
$(function(){
var level1 = $('.level-1');
$('li.item-b').parentsUntil(level1[0]).css('background-color', 'red');
$('li.item-b').parentsUntil(level1).css('font-weight', 'bold');
});