Toggle contextual overlays for displaying lists of links and more with the Bootstrap dropdown plugin.
<div class="dropdown">
<button class="btn btn-secondary dropdown-toggle" type="button" id="dropdownMenuButton" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
Regular
</button>
<div class="dropdown-menu" aria-labelledby="dropdownMenuButton">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</div>
You can add dropdowns to any button class.
<div class="btn-group" role="group" aria-label="Button group with nested dropdown">
<button type="button" class="btn btn-primary">Primary</button>
<div class="btn-group" role="group">
<button id="btnGroupDrop1" type="button" class="btn btn-primary dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"></button>
<div class="dropdown-menu" aria-labelledby="btnGroupDrop1">
<a class="dropdown-item" href="#">Dropdown link</a>
<a class="dropdown-item" href="#">Dropdown link</a>
</div>
</div>
</div>
<div class="btn-group" role="group" aria-label="Button group with nested dropdown">
<button type="button" class="btn btn-success">Success</button>
<div class="btn-group" role="group">
<button id="btnGroupDrop2" type="button" class="btn btn-success dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"></button>
<div class="dropdown-menu" aria-labelledby="btnGroupDrop2">
<a class="dropdown-item" href="#">Dropdown link</a>
<a class="dropdown-item" href="#">Dropdown link</a>
</div>
</div>
</div>
<div class="btn-group" role="group" aria-label="Button group with nested dropdown">
<button type="button" class="btn btn-info">Info</button>
<div class="btn-group" role="group">
<button id="btnGroupDrop3" type="button" class="btn btn-info dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"></button>
<div class="dropdown-menu" aria-labelledby="btnGroupDrop3">
<a class="dropdown-item" href="#">Dropdown link</a>
<a class="dropdown-item" href="#">Dropdown link</a>
</div>
</div>
</div>
<div class="btn-group" role="group" aria-label="Button group with nested dropdown">
<button type="button" class="btn btn-danger">Danger</button>
<div class="btn-group" role="group">
<button id="btnGroupDrop4" type="button" class="btn btn-danger dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"></button>
<div class="dropdown-menu" aria-labelledby="btnGroupDrop4">
<a class="dropdown-item" href="#">Dropdown link</a>
<a class="dropdown-item" href="#">Dropdown link</a>
</div>
</div>
</div>