ng2-bootstrap-base-modified/demo/src/app/components/+popover/demos/triggers-manual/triggers-manual.html

Native Angular Bootstrap Components Typeahead modified

<p>
  <span popover="Hello there! I was triggered manually"
        triggers="" #pop="bs-popover">
  This text has attached popover
  </span>
</p>

<button type="button" class="btn btn-success" (click)="pop.show()">
  Show
</button>
<button type="button" class="btn btn-warning" (click)="pop.hide()">
  Hide
</button>