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

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

<p>
  <a href="#" data-dropdown="drop1">Has Dropdown</a> | <a href="#" data-dropdown="drop2">Has Content Dropdown</a>
  <ul id="drop1" data-dropdown-content class="f-dropdown">
    <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>
  <div id="drop2" data-dropdown-content class="f-dropdown content">
    <p>Some text that people will think is awesome! Some text that people will think is awesome! Some text that people will think is awesome!</p>
  </div>
</p>