JSFiddle - React, Tailwind, and code Playground

HTML

<a class="class">Something</a>
<a class="class">Something</a>
<a class="class">another</a>
<a class="class">again</a>

CSS

.active { color:red; }

JavaScript

$('.class:contains("Something")').each(function() {
   $(this).accClass('active');
});