// zone.js: the browser's own time zone into "Start a call"'s hidden zone
// field, so the call's automatic title is in the starter's time rather
// than the server's (handlers_meetings.go, callZone). Nothing else reads
// it; without script the field stays empty and the title names its zone.
(function () {
  var zone = '';
  try { zone = Intl.DateTimeFormat().resolvedOptions().timeZone || ''; } catch (e) { zone = ''; }
  function fill() {
    var fields = document.querySelectorAll('input[data-calls-zone]');
    for (var i = 0; i < fields.length; i++) fields[i].value = zone;
  }
  if (document.readyState === 'loading') document.addEventListener('DOMContentLoaded', fill);
  else fill();
})();