zurb-foundation-5/doc/includes/dropdown/examples_dropdown_hoverable.html

Foundation 5 for npm (no code modification from original repo)

<a href="#" data-dropdown="hover1" data-options="is_hover:true;">Has Hover Dropdown</a>

<ul id="hover1" class="f-dropdown" data-dropdown-content>
  <li><a href="#">This is a link</a></li>
  <li><a href="#">This is another</a></li>
  <li><a href="#">Yet another</a></li>
</ul>