Tooltip">Left</button>

          <button type="button" class="btn btn-secondary" data-toggle="tooltip" data-placement="top" title="上方向にでるTooltip">Top</button>

          <button type="button" class="btn btn-secondary" data-toggle="tooltip" data-placement="bottom" title="下方向にでるTooltip">Bottom</button>

          <button type="button" class="btn btn-secondary" data-toggle="tooltip" data-placement="right" title="右方向にでるTooltip">Right</button>
        </div>
      </div>
    