popover is a box which appears on clicking the element.it is used to display more amount of content then a tooltip.
<!DOCTYPE html>
<html>
<head>
<title></title>
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.2/jquery.min.js"></script>
<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
</head>
<body>
<div class="row col-md-offset-2">When you click on any button , you will see a different popover in different direction according to instructions.</div>
<br />
<div class="row col-md-offset-2">
<button type="button" class="btn btn-primary" data-container="body" data-toggle="popover" data-placement="bottom" data-content="Popover on left.">
Popover on left
</button>
<button type="button" class="btn btn-info" data-container="body" data-toggle="popover" data-placement="top" data-content="Popover on top.">
Popover on top
</button>
<button type="button" class="btn btn-success" data-container="body" data-toggle="popover" data-placement="bottom" data-content="Popover on bottom.">
Popover on bottom
</button>
<button type="button" class="btn btn-danger" data-container="body" data-toggle="popover" data-placement="right" data-content="Popover on right.">
Popover on right
</button>
</div>
</body>
</html>
<script type="text/javascript">
$(function () {
$('[data-toggle="popover"]').popover();
});
</script>
