Run results for: FormattedDateString

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/112.0

Browser: Firefox 112

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
toISOString	367365.9 Ops/sec
Parsed	488946.4 Ops/sec

Tests:

toISOString
function getFormattedDateString(date) { const timezoneOffset = -date.getTimezoneOffset(); const utcDate = new Date(date.getTime() + timezoneOffset * 60 * 1000); const sign = timezoneOffset >= 0 ? '+' : '-'; const paddingFormat = '00'; const hourOffset = (paddingFormat + (timezoneOffset / 60)).slice(-paddingFormat.length); const secondOffset = (paddingFormat + (timezoneOffset % 60)).slice(-paddingFormat.length); const timezoneText = `${sign}${hourOffset}:${secondOffset}`; return utcDate.toISOString().split('Z')[0] + timezoneText; } getFormattedDateString(new Date());
Parsed
function getFormattedDateString2(date) { const format = '00'; const year = (format + date.getFullYear()).slice(-format.length); const month = (format + (date.getMonth() + 1)).slice(-format.length); const day = (format + date.getDate()).slice(-format.length); const hour = (format + date.getHours()).slice(-format.length); const min = (format + date.getMinutes()).slice(-format.length); const sec = (format + date.getSeconds()).slice(-format.length); const msec = (format + date.getMilliseconds()).slice(-format.length); const timezoneOffset = -date.getTimezoneOffset(); const sign = timezoneOffset >= 0 ? '+' : '-'; const hourOffset = (format + (timezoneOffset / 60)).slice(-format.length); const secondOffset = (format + (timezoneOffset % 60)).slice(-format.length); //const offsetText = `${sign}${hourOffset}:${secondOffset}`; return `${year}-${month}-${day}T${hour}:${min}:${sec}.${msec}${sign}${hourOffset}:${secondOffset}`; } getFormattedDateString2(new Date());

Run results for: FormattedDateString

toISOString

Parsed