ng2-bootstrap-base-modified/demo/src/app/components/+dropdown/demos/basic/basic-link.html

Native Angular Bootstrap Components Typeahead modified

<span dropdown (onToggle)="toggled($event)">
  <a href id="simple-dropdown" dropdownToggle>
    Click me for a dropdown, yo!
  </a>
  <ul class="dropdown-menu" dropdownMenu aria-labelledby="simple-dropdown">
    <li *ngFor="let choice of items">
      <a class="dropdown-item" href="#">{{choice}}</a>
    </li>
  </ul>
</span>