JSFiddle - React, Tailwind, and code Playground

HTML

<div class="span12">
    <table class="table" id="course-modules">
      <tr>
        <th>Title</th>
        <th>Remove</th>
      </tr>
        <tr>
          <td>col1</td>
          <td>col2</td>
        </tr>
    </table>
      <div>
        <select>
          <option value="volvo">Volvo</option>
          <option value="saab">Saab</option>
          <option value="mercedes">Mercedes</option>
          <option value="audi">Audi</option>
        </select>
        <button type='button' id='add-module'>Add</button>
      </div>
  </div>

JavaScript

$('#add-module').click(function () {
  alert("hello");
  $('#course-modules').append("<tr><td>hello</td><td>there</td></tr>");
});