https://www.polskieforumrodzicow.pl/portal/ticker-loader.js?v=1

1(function(){
2  function articleUrl(a){
3    if(!a)return null;
4    if(a.sourcePath)return a.sourcePath;
5    if(a.slug&&a.category)return'/'+a.category+'/'+a.slug;
6    var id=a.id!=null?String(a.id):'';
7    return'/portal/article.html?id='+encodeURIComponent(id);
8  }
9  function safeUrl(u){
10    if(typeof u!=='string'||!u)return null;
11    if(u.startsWith('//'))return null;
12    if(/^[a-z][a-z0-9+.-]*:/i.test(u))return null;
13    if(/[\x00-\x1F"'<>`\\]/.test(u))return null;
14    return u;
15  }
16  function makeItem(a){
17    var url=safeUrl(articleUrl(a));
18    if(!url)return null;
19    var link=document.createElement('a');
20    link.className='ticker-item';
21    link.href=url;
22    var title=document.createElement('span');
23    title.textContent=a.title||'';
24    var sep=document.createElement('span');
25    sep.className='ticker-sep';
26    sep.textContent='\u00a0\u2022\u00a0';
27    link.appendChild(title);
28    link.appendChild(sep);
29    return link;
30  }
31  function load(){
32    var bar=document.getElementById('breaking-bar');
33    var el=document.getElementById('ticker');
34    if(!bar||!el)return;
35    fetch('/api/site-settings/news-ticker').then(function(r){
36      if(!r.ok)return;
37      r.json().then(function(data){
38        var items=Array.isArray(data&&data.items)?data.items:[];
39        if(!items.length)return;
40        var nodes=items.map(makeItem).filter(Boolean);
41        if(!nodes.length)return;
42        var frag=document.createDocumentFragment();
43        nodes.forEach(function(n){frag.appendChild(n);});
44        nodes.forEach(function(n){frag.appendChild(n.cloneNode(true));});
45        el.replaceChildren(frag);
46        bar.hidden=false;
47      });
48    }).catch(function(){});
49  }
50  if(document.readyState==='loading'){
51    document.addEventListener('DOMContentLoaded',load);
52  } else {
53    load();
54  }
55})();