JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="//netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/css/bootstrap-combined.min.css">
<script src="//netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/js/bootstrap.min.js"></script>
<p>Popover</p>

<a href="#" id="example" class="btn btn-primary" rel="popover"
   data-content="This is the body of Popover"
   data-original-title="Creativity Tuts">Click
</a>

JavaScript

$('#example').popover();
$(document).keyup(function (event) {
    if (event.which === 27) {
        $('#example').popover('hide');
    }
});