Run results for: date formatter libraries vs native

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36

Browser: Chrome 125

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 5 months ago

Test name	Executions per second
3846masa/fdate	294778.2 Ops/sec
moment/moment	265835.1 Ops/sec
moment/luxon	228992.8 Ops/sec
taylorhakes/fecha	259924.8 Ops/sec
date-fns/date-fns	247411.0 Ops/sec
xx45/dayjs	187794.9 Ops/sec
felixge/node-dateformat	0.0 Ops/sec
jonschlinkert/time-stamp	0.0 Ops/sec
native	298440.8 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.22.1/moment.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/luxon@1.2.0/build/global/luxon.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/fecha/2.3.3/fecha.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/date-fns/1.29.0/date_fns.min.js"></script>
<script src="https://unpkg.com/dayjs"></script>
<script src="https://wzrd.in/standalone/dateformat@latest"></script>
<script src="https://wzrd.in/standalone/time-stamp@latest"></script>
<script src="https://unpkg.com/fdate"></script>

Script Preparation code:

window.__date__ = new Date();
window.__expected__ = '2000/01/06';

function formatDate(date) {
  const year = date.getFullYear();
  const month = String(date.getMonth() + 1).padStart(2, '0');
  const day = String(date.getDate()).padStart(2, '0');
  
  return `${year}/${month}/${day}`;
}

window.formatDate = formatDate;

Tests:

3846masa/fdate
var actual = fdate`${'YYYY'}/${'MM'}/${'DD'}`(__date__); console.assert(actual === __expected__);
moment/moment
var actual = moment(__date__).format('YYYY/MM/DD'); console.assert(actual === __expected__);
moment/luxon
var actual = luxon.DateTime.fromJSDate(__date__).toFormat('yyyy/MM/dd'); console.assert(actual === __expected__);
taylorhakes/fecha
var actual = fecha.format(__date__, 'YYYY/MM/DD'); console.assert(actual === __expected__);
date-fns/date-fns
var actual = dateFns.format(__date__, 'YYYY/MM/DD'); console.assert(actual === __expected__);
xx45/dayjs
var actual = dayjs(__date__).format('YYYY/MM/DD'); console.assert(actual === __expected__);
felixge/node-dateformat
var actual = dateformat(__date__, 'yyyy/mm/dd'); console.assert(actual === __expected__);
jonschlinkert/time-stamp
var actual = timeStamp('YYYY/MM/DD', __date__); console.assert(actual === __expected__);
native
var actual = formatDate(__date__); console.assert(actual === __expected__);

Run results for: date formatter libraries vs native

3846masa/fdate

moment/moment

moment/luxon

taylorhakes/fecha

date-fns/date-fns

xx45/dayjs

felixge/node-dateformat

jonschlinkert/time-stamp

native