Tooltips

Link 
<a href="javascript:void(0);" class="btn btn-primary mb-3 rounded bs-tooltip" title="Tooltip using ANCHOR tag">
    Link
</a>
<button type="button" class="btn btn-success mb-3 rounded bs-tooltip" title="Tooltip using BUTTON tag">
    Button
</button>

Placement

data-placement="top"

data-placement="right"

data-placement="bottom"

data-placement="left"


<!-- TOP -->                                            
<button type="button" class="btn btn-info mb-2 rounded bs-tooltip" data-placement="top" title="Tooltip on top">
    Tooltip on top
</button>

<!-- RIGHT -->                                            
<button type="button" class="btn btn-danger mb-2 rounded bs-tooltip" data-placement="right" title="Tooltip on right">
    Tooltip on right
</button>

<!-- BOTTOM -->                                            
<button type="button" class="btn btn-warning mb-2 rounded bs-tooltip" data-placement="bottom" title="Tooltip on bottom">
    Tooltip on bottom
</button>

<!-- LEFT -->                                            
<button type="button" class="btn btn-secondary mb-2 rounded bs-tooltip" data-placement="left" title="Tooltip on left">
    Tooltip on left
</button>

HTML 

<button type="button" class="btn btn-dark rounded bs-tooltip" data-toggle="tooltip" data-html="true" title="<em>Tooltip</em> <u>with</u> <b>HTML</b>">
    Tooltip with HTML
</button>

Options

data-trigger="click"

Default

data-delay="1000"

data-animation="false"

<!-- On Click -->
<button type="button" class="mt-1 btn btn-primary bs-tooltip mb-4 ml-2 mr-2 rounded" data-trigger="click" title="On Click">
    On Click
</button>

<!-- On Focus -->
<button type="button" class="mt-1 btn btn-secondary bs-tooltip mb-4 ml-2 mr-2 rounded" title="On Focus">
    On Focus
</button>

<!-- Delay -->
<button type="button" class="mt-1 btn btn-info bs-tooltip mb-4 ml-2 mr-2 rounded" data-delay="1000" title="Delay 1s">
    Delay
</button>

<!-- Disabled Animation -->
<button type="button" class="mt-1 btn btn-dark bs-tooltip mb-4 ml-2 mr-2 rounded" data-animation="false" title="Disable Animation">
    Disabled Animation
</button>

Colors

Change tooltip template html as shown below to add color scheme.

<!-- Primary -->
<button type="button" class="mt-1 btn btn-primary primary mb-4 ml-2 mr-2 rounded" data-container="body" data-placement="top" data-html="true"> Primary </button>

$('.primary').tooltip({
    template: '<div class="tooltip tooltip-primary" role="tooltip"><div class="arrow"></div><div class="tooltip-inner"></div></div>',
    title: "Primary"
});