Run results for: Compare moment vs native date format 2.0

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36

Browser: Chrome 114

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Moment	270339.2 Ops/sec
Native	387115.4 Ops/sec
Day.js	129517.2 Ops/sec
DateFns	284973.2 Ops/sec
litdate	536281.9 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.22.0/moment.min.js'></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.23.0/locale/is.js"></script>
<script src="https://unpkg.com/dayjs@1.8.21/dayjs.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/date-fns/1.30.1/date_fns.min.js"></script>
<script src="https://unpkg.com/lit-date"></script>

Script Preparation code:

window.__date__ = 1645833600000
window.__expected__ = '26. feb. 2022'

Tests:

Moment
const formatted = moment(__date__).format('YYYY-MM-DD')
Native
const formatted = new Date(__date__).toISOString().split('T')[0]
Day.js
const formatted = dayjs(__date__).format('YYYY-MM-DD')
DateFns
const formatted = dateFns.format(__date__, 'YYYY-MM-DD');
litdate
const format = litdate`${'YYYY'}-${'MM'}-${'DD'}`; const date = new Date(__date__) const actual = format(date)

Run results for: Compare moment vs native date format 2.0

ms to formatted Icelandic timestamp

Moment

Native

Day.js

DateFns

litdate