JSFiddle - React, Tailwind, and code Playground

by Alexey Ukolov

HTML

<div id='orders'>
  <div class='order'>
    <div class='b1'>X</div>
    <div class='b2'>Y</div>
    <div class='b3'>Z</div>
  </div>
  <div class='order'>
    <div class='b1'>X</div>
    <div class='b2'>Y</div>
    <div class='b3'>Z</div>
  </div>
  <div class='order'>
    <div class='b1'>X</div>
    <div class='b2'>Y</div>
    <div class='b3'>Z1</div>
  </div>
</div>

CSS

.order {
  display: inline-block;
  padding: 5px;
}

.green {
  background-color: green;
}

JavaScript

$('#orders .order :last-child').each(function() {
  var $el = $(this);

  if ($el.text() === 'Z') {
    $el.addClass('green');
  }
});