tawk-to-iframe.html.twig in Tawk.to - Live chat application (Drupal 8) 8.2

{% autoescape false %}
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>

<iframe id="tawkIframe" src="" style="min-height: 400px; width : 100%; border: none">
</iframe>

<script type="text/javascript">
  var currentHost = window.location.protocol + "//" + window.location.host;
  var url = "{{ items.iframeUrl }}&parentDomain=" + currentHost;

  jQuery("#tawkIframe").attr("src", url);

  var iframe = jQuery("#tawk_widget_customization")[0];

  window.addEventListener("message", function (e) {
    if (e.origin === "{{ items.baseUrl }}") {

      if (e.data.action === "setWidget") {
        setWidget(e);
      }

      if (e.data.action === "removeWidget") {
        removeWidget(e);
      }
    }
  });

  function setWidget(e) {
    jQuery.post("{{ path('tawk_to.set_widget') }}", {
      pageId: e.data.pageId,
      widgetId: e.data.widgetId
    }, function (r) {
      if (r.success) {
        e.source.postMessage({action: "setDone"}, "{{ items.baseUrl }}");
      } else {
        e.source.postMessage({action: "setFail"}, "{{ items.baseUrl }}");
      }
    });
  }

  function removeWidget(e) {
    jQuery.post("{{ path('tawk_to.remove_widget') }}", function (r) {
      if (r.success) {
        e.source.postMessage({action: "removeDone"}, "{{ items.baseUrl }}");
      } else {
        e.source.postMessage({action: "removeFail"}, "{{ items.baseUrl }}");
      }
    });
  }
</script>
{% endautoescape %}