JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.1.1/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.1.1/css/bootstrap-theme.css">
<a href="#" class="btn btn-default" data-toggle="modal" data-target="#videoModal" data-theVideo="http://www.youtube.com/embed/loFtozxZG0s">VIDEO</a>
<a href="#" class="btn btn-default" data-toggle="modal" data-target="#videoModal" data-theVideo="https://www.youtube.com/embed/qTLuPuUbb-4">VIDEO</a>
<div class="modal fade" id="videoModal" tabindex="-1" role="dialog" aria-labelledby="videoModal" aria-hidden="true">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-body">
                <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
                <div>
                    <iframe width="100%" height="350" src=""></iframe>
                </div>
            </div>
        </div>
    </div>
</div>

JavaScript

autoPlayYouTubeModal();

  //FUNCTION TO GET AND AUTO PLAY YOUTUBE VIDEO FROM DATATAG
  function autoPlayYouTubeModal() {
      var trigger = $("body").find('[data-toggle="modal"]');
      trigger.click(function () {
          var theModal = $(this).data("target"),
              videoSRC = $(this).attr("data-theVideo"),
              videoSRCauto = videoSRC + "?autoplay=1";
          $(theModal + ' iframe').attr('src', videoSRCauto);
          $(theModal + ' button.close').click(function () {
              $(theModal + ' iframe').attr('src', videoSRC);
          });
      });
  }