Context Menu is the method of defining a toolbar menu, a context menu or a list of (interactive) options using the menu element.

Browser Support

Sadly this feature is currently not supported by any browser.

Code Example

You can use Context Menu like this:

<menu type="context" id="mymenu">
  <menuitem label="Refresh" onclick="window.location.reload();" icon="ico_reload.png">
  </menuitem>
  <menu label="Share on...">
    <menuitem label="Twitter" icon="ico_twitter.png" onclick="window.open('//twitter.com/intent/tweet?text='+window.location.href);">
    </menuitem>
    <menuitem label="Facebook" icon="ico_facebook.png" onclick="window.open('//facebook.com/sharer/sharer.php?u='+window.location.href);">
    </menuitem>
  </menu>
  <menuitem label="Email This Page" onclick="window.location='mailto:?body='+window.location.href;"></menuitem>
</menu>

More Information

More information can be found here.