<button type="button" class="btn btn-default tip" data-toggle="tooltip" data-placement="left" title="Tooltip on left">Tooltip on left</button>
<button type="button" class="btn btn-default tip" data-toggle="tooltip" data-placement="top" title="Tooltip on top">Tooltip on top</button>
<button type="button" class="btn btn-default tip" data-toggle="tooltip" data-placement="bottom" title="Tooltip on bottom">Tooltip on bottom</button>
<button type="button" class="btn btn-default tip" data-toggle="tooltip" data-placement="right" title="Tooltip on right">Tooltip on right</button>
<script>
  window.addEventListener("load", function() {
    jQuery(function () {
      jQuery('.tip').tooltip();
    });
  });
</script>
