https://video.ramboll.com/resources/um/integrations/core-consent-status/consent-status.js

1/*
2   Usage:
3   <script src="https://my.domain.com/resources/um/integrations/core-consent-status/consent-status.js"></script>
4   var twentyThreeConsentStatus = new TwentyThreeConsentStatus('my.domain.com');
5   twentyThreeConsentStatus.setConsentStatus('given');
6   twentyThreeConsentStatus.setConsentStatus('denied');
7 */
8
9(function(){
10  TwentyThreeConsentStatus = function(domain){
11    var $this = this;
12    $this.domain = domain;
13
14    $this.setContentStatus = $this.setConsentStatus = function(consent){
15      if (consent !== 'given') {
16        consent = 'denied';
17      }
18      var message = "consent"+consent;
19
20      var hosts = document.querySelectorAll('iframe[src^="https://'+$this.domain+'"]');
21      if(hosts.length>0) {
22        // If there are existing hosts, post to them.
23        hosts.forEach(function(host){
24          host.contentWindow.postMessage(message, '*')
25        });
26      } else {
27        // If not, create a new one.
28        // (This will serve as a host on subsequent calls.)
29        var hostUrl = 'https://'+$this.domain+'/resources/um/integrations/core-consent-status/host.html#'+message;
30        var frame = window.document.createElement('iframe');
31        frame.style.width = '1px';
32        frame.style.height = '1px';
33        frame.style.border = '0';
34        frame.style.visibility = 'hidden';
35        window.document.body.appendChild(frame);
36        frame.src = hostUrl;
37      }
38    }
39    return $this;
40  }
41})();