<!-- Note: A custom script is used to activate tooltips:
$(function(){
$('[data-toggle="tooltip"]').tooltip();
});
-->
<button type="button" class="btn btn-secondary" data-toggle="tooltip"
data-placement="top" title="Tooltip on top"> Tooltip on top
</button>
<button type="button" class="btn btn-secondary" data-toggle="tooltip"
data-placement="right" title="Tooltip on right"> Tooltip on right
</button>
<button type="button" class="btn btn-secondary" data-toggle="tooltip"
data-placement="bottom" title="Tooltip on bottom"> Tooltip on bottom
</button>
<button type="button" class="btn btn-secondary" data-toggle="tooltip"
data-placement="left" title="Tooltip on left"> Tooltip on left
</button>