JSFiddle - React, Tailwind, and code Playground

by tonytlwu

HTML

<div class="c"></div>
<div>
  <div class="c"></div>
</div>
<div class="a">
  <div class="c"></div>
</div>
<div class="b">
  <div class="c"></div>
</div>

CSS

.c {
  height: 10px;
  margin-bottom: 10px;
  background: red;
}

.d {
  background: blue;
}

JavaScript

$('.c').filter(function () {
	return !$(this).parents('.b').length;
}).addClass('d');