- addListener('selector', 'click, mouseover', cb)</h3>
        <ul id='click-or-hover-comma'>
          <li>Click once one</li>
          <li>Click once two</li>
          <li>Click once three</li>
        </ul>
      </div>
      <script>
      addListener('#click-or-hover-comma li', 'click, mouseover', (e) => {
        console.log(`Fired comma ${e.type}`, e.target)
      });
      </script>


      <div>
        <h3>Space separated events - addListener('selector', 'click mouseover', cb)</h3>
        <ul i