reCAPTCHA rendering in Bootstrap Modal

HTML

<script src="https://www.google.com/recaptcha/api.js?render=explicit&amp;amp;hl=sv"></script>
<button id="showModal" type="button">Show Modal</button>

<div class="modal fade" id="myModal">
  <div class="modal-dialog">
    <div class="modal-content">
      <div class="modal-header">
        <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
        <h4 class="modal-title">Modal title</h4>
      </div>
      <div class="modal-body">
        <div id="captcha"></div>
      </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
      </div>
    </div>
  </div>
</div>

JavaScript

"use strict";

$("#showModal").click(function() {
    $("#myModal").modal("show");
    setTimeout(function() {
        createRecaptcha();
    }, 100);
});



function createRecaptcha() {
	grecaptcha.render("captcha", {sitekey: "6LcgSAMTAAAAACc2C7rc6HB9ZmEX4SyB0bbAJvTG", theme: "light"});
}