Run results for: Moment Dayjs Date-fns comparison

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 15_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/94.0.4606.52 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 94

Operating system: iOS 15.0

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
Date-fns	284454.5 Ops/sec
Moment	68318.7 Ops/sec
Dayjs	419840.8 Ops/sec

HTML Preparation code:

<script src="https://unpkg.com/dayjs@1.8.21/dayjs.min.js"></script>
<script src="https://igor.moomers.org/random/datefns.js"></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.22.0/moment.min.js'></script>

Script Preparation code:

window.ds = "2020-02-19T00:51:53.623839+00:00";

Tests:

Date-fns
window.datefns.parseISO(window.ds)
Moment
moment(ds)
Dayjs
dayjs(ds)