JSFiddle - React, Tailwind, and code Playground

HTML

<table class="variations">
   <tr>
      <td>
          <select name="up_options">
             <option value="" selected>Select Value</option>
             <option value="a">A</option>
             <option value="b">B</option>
             <option value="c">C</option>
             <option value="d">D</option>
             <option value="e">E</option>
          </select>
      </td>
   </tr>
</table>
<span class="single_variation"></span>

JavaScript

jQuery(document).ready(function() {
  jQuery('.variations select').change(function(){
      jQuery('.single_variation').text(jQuery(this).val());
  });
});