JSFiddle - React, Tailwind, and code Playground

by Anik Islam Abhi

HTML

<div class="xyz">123</div>
<div class="add">ADD</div>


<div class="xyz">sadasd</div>
<div class="add">ADD</div>

<div class="xyz">123</div>
<div class="add">ADD</div>

CSS

.long {
  background :#000;
  color : #fff;
}

JavaScript

$('div.xyz:contains("123")').each(function(){
  $(this).next(".add").addClass("long");
})