JSFiddle - React, Tailwind, and code Playground

HTML

<table>
  <tbody>
    <tr>
      <td class="ui-datepicker-week-col">
        <a href="#">Link</a>
    	<td>
        </tr>
  </tbody>
</table>

JavaScript

$('.ui-datepicker-week-col').on('click', 'a', function () {
    alert("hello");
});