        alert('observed unload fired!')
      });

      this.update('Registered two unload events, one inline ("onunload") and one regular - try to refresh, both should fire')
      this._done = true
      log(e);
    })
  </script>
  
  <div id="delegation_container">
    Event delegation
    <ul>
      <li>
        <span class="delegation-child-1">Child 1 (click)</span>
      </li>
      <li>
        <span class="delegation-child-2">Child 2 (mouseover)</span>
      </li>
      <li class="delegation-child