JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://popcornjs.org/code/dist/popcorn-complete.min.js"></script>
<script src="http://popcornjs.org/code/unsupported/gml/popcorn.gml.js"></script>
<video height="180" width="300" id="video" controls> 
<source src="http://videos.mozilla.org/serv/webmademovies/popcornplug.mp4"></source>
<source src="http://videos.mozilla.org/serv/webmademovies/popcornplug.ogv"></source>
<source src="http://videos.mozilla.org/serv/webmademovies/popcornplug.webm"></source>
</video>
<div id="footnotediv"></div>

JavaScript

// create our popcorn instance
var p = Popcorn( "#video" ).footnote({
       start: 5,
       end: 15,
       text: 'This text will appear in "target". ',
       target: "footnotediv"
     });