JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//code.jquery.com/jquery-3.3.1.slim.min.js"></script>
<link rel="stylesheet" href="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
<script src="//cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js"></script>
<script src="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<mark data-content="
    <button class=&quot;btnr&quot; type=&quot;button&quot;>
        Click Me
    </button>
    
    <button class='btn btn-info' type='button'>
        Click Me
    </button>
    " data-html="true" data-toggle="popover">
    Popovered
</mark>

JavaScript

$(function () {
  $('[data-toggle="popover"]').popover()
})