JSFiddle - React, Tailwind, and code Playground
by j08691
HTML
<ul>
<li data-sel='foo'>a</li>
<li>b</li>
<li data-sel='foo'>c</li>
<li class='selected'>d</li>
<li data-sel='foo'>e</li>
</ul>
JavaScript
var element = $('.selected').prevAll("li[data-sel='foo']")[0];
console.log(element);