JSFiddle - React, Tailwind, and code Playground

HTML

<table>
   <tbody>
      <tr>
         <td><a href="#">text</a></td>
         <td>text</td>
      </tr>
   </tbody>
</table>

JavaScript

$('table tbody tr').each(function(){
     $(this).find('a:first').click(function(){
         
        if($(this).parents().get(1).tagName == 'TR') {
         $($(this).parents().get(1)).css("background-color", 'red'); //What's wrong?
        }
});
    
});