Run results for: date format

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36

Browser: Chrome 83

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
moment/luxon	20841.4 Ops/sec
moment/moment	21554.5 Ops/sec
js-joda	39614.4 Ops/sec
dayjs	34040.1 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.24.0/moment.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/luxon@1.21.0/build/global/luxon.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/@js-joda/core@1.12.0/dist/js-joda.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/dayjs@1.8.18/dayjs.min.js"></script>

Script Preparation code:

window.__date__ = new Date();
window.__expected__ = '2000/01/06';

Tests:

moment/luxon
var actual = luxon.DateTime.fromISO("2017-05-15").plus({days: 1}).toString(); console.assert(actual === __expected__);
moment/moment
var actual = moment("2017-05-15").clone().add(1, 'd').toISOString(); console.assert(actual === __expected__);
js-joda
var actual = JSJoda.LocalDate.parse("2017-05-15").plusDays(1).format(JSJoda.DateTimeFormatter.ISO_LOCAL_DATE); console.assert(actual === __expected__);
dayjs
var actual = dayjs("2017-05-15").add(1, 'day').toISOString(); console.assert(actual === __expected__);

Run results for: date format

moment/luxon

moment/moment

js-joda

dayjs