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


      <div>
        <h3>Array syntax events - addListener('selector', ['click',  'mouseover'], cb)</h3>
        <ul id='click-or-hover-array'>
          <li>Click once one</li>
   