valor-software/ng2-bootstrap

<div class="row">
  <div class="col-md-2">
    <button type="button" class="btn btn-info"
            popover="I will hide on blur"
            triggers="mouseenter:mouseleave">
      Hover over me!
    </button>
  </div>
  <div class="col-md-2">
    <button type="button" class="btn btn-info"
            popover="Double click one more time"
            triggers="dblclick">
      Double click me!
    </button>
  </div>
  <div class="col-md-3">
    <input type="text"
           class="form-control"
           placeholder="Show popover on input change"
           popover="I will hide on blur"
           triggers="keypress:focusout">
  </div>
</div>