JSFiddle - React, Tailwind, and code Playground
by jasper
HTML
<ul id="nav">
<li>
<a href="#">text</a>
<ul>
<li>blah</li>
</ul>
</li>
</ul>
CSS
.test {
background : green;
}
JavaScript
$('#nav > li > a:contains("text")').siblings('ul').addClass('test');