n Parameters</a>
        </li>
        <li>
          <a href="#toc_specifying-the-type-of-event">Specifying the Type of Event</a>
        </li>
        <li>
          <a href="#toc_allowing-modifier-keys">Allowing Modifier Keys</a>
        </li>
        <li>
          <a href="#toc_allowing-default-browser-action">Allowing Default Browser Action</a>
        </li>
        <li>
          <a href="#toc_modifying-the-actions-first-parameter">Modifying the action's first parameter</a>
        </li>
        <li>