<button type="button" class="btn btn-primary me-2" data-bs-toggle="tooltip" data-bs-placement="top" title="Tooltip on top">Tooltip on top</button>
<button type="button" class="btn btn-primary me-2" data-bs-toggle="tooltip" data-bs-placement="right" title="Tooltip on end">Tooltip on end</button>
<button type="button" class="btn btn-primary me-2" data-bs-toggle="tooltip" data-bs-placement="bottom" title="Tooltip on bottom">Tooltip on bottom</button>
<button type="button" class="btn btn-primary me-2" data-bs-toggle="tooltip" data-bs-placement="left" title="Tooltip on start">Tooltip on start</button>
<button type="button" class="btn btn-primary" data-bs-toggle="tooltip" data-bs-html="true" title="<em>Tooltip</em> <u>with</u> <b>HTML</b>">Tooltip with HTML</button>