https://www.ostfriesland.de/typo3temp/assets/compressed/FormCrShie…415fc54850a40ee088d6ffe01ce44.js?1744012131

1/**
2 * Required JavaScript for challenge/response spam protection
3 */
4document.addEventListener('DOMContentLoaded', () =>
5{
6  [...document.querySelectorAll('[id$="-cr-field"]')].forEach(element =>
7  {
8    let [expiration,challenge,delay] = atob(element.value).split('|');
9
10    if (delay === undefined) {
11      // The CR field has already been submitted by the client, but server side validation may have failed
12      return;
13    }
14
15    setTimeout(() =>
16    {
17      element.value = btoa(expiration + '|' + challenge.replace(/[a-z]/gi, char =>
18      {
19        return String.fromCharCode( char.charCodeAt(0) + ( char.toUpperCase() <= 'M' ? 13 : -13 ) )/* https://stackoverflow.com/a/14553231 */
20      }))
21    }, 1e3 * delay)
22  })
23});