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="
    
    <mark data-content='
      <button class=&quot;btnr&quot; type=&quot;button&quot;>
          Click Me
      </button>
      ' data-html='true' data-toggle='popover'>
    Inner Mark
    </mark>
     
    " id="outerPopover" data-html="true" data-toggle="popover">
    Outer Mark
</mark>

CSS

.row {
  background: #f8f9fa;
  margin-top: 20px;
}

.col {
  border: solid 1px #6c757d;
  padding: 10px;
}

JavaScript

$(function () {
  $('[data-toggle="popover"]').popover()
  
  $('#outerPopover').on('shown.bs.popover', function () {
    $('[data-toggle="popover"]').popover()
  })
})