Tooltip not working on modal button

Created by: dilip-vishwa

<button class="btn btn-primary btn-lg" data-toggle="modal tooltip" title="Tooltip on left" data-target="#myModal">
       Launch demo modal
</button>

In the above modal button code, I have included the tooltip code such as title="Tooltip on left" and data-toggle="tooltip". Then this modal button does not show tooltip and also not modal.

When I remove tooltip from data-toggle, then modal works and when I remove modal from data-toggle, then tooltip works.

Please give some solution to deal with this.