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

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

{{#markdown}}
```html
<a href="#" data-dropdown="drop1">Has Dropdown</a>

<ul id="drop1" class="your-class-name" 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>
```
{{/markdown}}