valor-software/ng2-bootstrap

<div class="btn-group" dropdown placement="bottom right">
  <button id="button-alignment" dropdownToggle type="button"
          class="btn btn-primary dropdown-toggle" aria-controls="dropdown-alignment">
    This dropdown's menu is right-aligned <span class="caret"></span>
  </button>
  <ul id="dropdown-alignment" *dropdownMenu class="dropdown-menu dropdown-menu-right"
      role="menu" aria-labelledby="button-alignment">
    <li role="menuitem"><a class="dropdown-item" href="#">Action</a></li>
    <li role="menuitem"><a class="dropdown-item" href="#">Another action</a></li>
    <li role="menuitem"><a class="dropdown-item" href="#">Something else here</a></li>
    <li class="divider dropdown-divider"></li>
    <li role="menuitem"><a class="dropdown-item" href="#">Separated link</a></li>
  </ul>
</div>