JSFiddle - React, Tailwind, and code Playground

HTML

<div id="main">
 <div class="a">aaaa</div>
 <div class="b"><p>not me</p></div>
 <div class="b">bbbb</div>
 <div class="b">bbbb</div>
 <div class="c">cccc</div>
</div>

JavaScript

$('div.b').not(':has(p:contains("not me"))').css('color', 'red');