OpenAuth_server/FrontendLegacy/shared/event.js

export default function fireEvent(element, event) {
   if (document.createEventObject) {
      // dispatch for IE
      var evt = document.createEventObject();
      return element.fireEvent("on" + event, evt);
   } else {
      // dispatch for firefox + others
      var evt = document.createEvent("HTMLEvents");
      evt.initEvent(event, true, true); // event type,bubbling,cancelable
      return !element.dispatchEvent(evt);
   }
}