Run results for: luxon-v-Intl format, luxon-v-Date native parse

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Native parse

8.9M/s

moment/luxon - parse

632K/s

Intl - format

262K/s

moment/luxon - format

187K/s

View exact numbers

Test name	Executions per second
✓ Native parse	8,922,743 Ops/sec
moment/luxon - parse	632,285 Ops/sec
Intl - format	261,724 Ops/sec
moment/luxon - format	186,604 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/luxon@2.0.2/build/global/luxon.min.js"></script>

Script Preparation code:

window.__dateISO__ = '2021-09-24T07:36:51+0000'
window.__date__ = new Date(__dateISO__);
window.__expected__ = '09/24/2021';
window.__intlFormatter = new Intl.DateTimeFormat('en', {
  year: '2-digit',
  month: '2-digit',
  day: '2-digit',
});

Tests:

moment/luxon - format
var actual = luxon.DateTime.fromJSDate(__date__).toLocaleString(); console.assert(actual === __expected__);
Intl - format
var actual = window.__intlFormatter.format(__date__); console.assert(actual === __expected__);
moment/luxon - parse
var actual = luxon.DateTime.fromISO(__dateISO__).toJSDate(); console.assert(__date__.getTime() === actual.getTime());
Native parse
var actual = new Date(__dateISO__); console.assert(__date__.getTime() === actual.getTime());