// This file is included only when there is no info about timezone in users's chandler session xhr = new XMLHttpRequest(); xhr.open("POST", "/iapi/timezone", true); xhr.setRequestHeader('Content-type', 'application/x-www-form-urlencoded'); xhr.onload = () => { if(JSON.parse(response.originalTarget.responseText).response == 1) { window.location.reload(); } }; xhr.send('timezone=' + new Date().getTimezoneOffset());