JSFiddle - React, Tailwind, and code Playground
by toroncino
HTML
<p class="a b c">Hello</p>
<p class="a b c">Hello</p>
<p class="a c">Hello</p>
<p class="a b c">Hello</p>
CSS
.d { color: red; }
JavaScript
$("[class*='a c']").addClass('d');