https://jacyzhotel.com/wp-content/plugins/wp-plugin-iframe-query-master/js/ess-pass-parameters.js?ver=1.1.0

1jQuery(function ($) {
2  if (document.readyState === "complete") {
3    let iframe = document.getElementById("rwcGetParams");
4    if (iframe) {
5      let loc = window.location.href,
6        params = loc.split("?")[1],
7        query;
8      let isrc = iframe.src.split("?")[0]
9      if (params) {
10        if (iframe.src.indexOf("?") >= 0) {
11          query = "&";
12        } else {
13          query = "?";
14        }
15        newsrc = isrc + query + params;
16        // newsrc = "https://jacyzhotel.com/conf-form/" + query + params;
17        $("#rwcGetParams").attr("src", newsrc);
18        $("#rwcGetParams").attr("height", $("#rwcGetParams").contents().find("body").height());
19      }
20    }
21  } else {
22    $(window).on("load", function () {
23      let iframe = document.getElementById("rwcGetParams");
24      if (iframe) {
25        let loc = window.location.href,
26          params = loc.split("?")[1],
27          query;
28        let isrc = iframe.src.split("?")[0]
29        if (params) {
30          if (iframe.src.indexOf("?") >= 0) {
31            query = "&";
32          } else {
33            query = "?";
34          }
35          newsrc = isrc + query + params;
36          // newsrc = "https://jacyzhotel.com/conf-form/" + query + params;
37          $("#rwcGetParams").attr("src", newsrc);
38          $("#rwcGetParams").attr("height", $("#rwcGetParams").contents().find("body").height());
39        }
40      }
41    });
42  }
43});