Run results for: luxon vs datefns vs moment

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.51 Safari/537.36

Browser: Chrome 99

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
datefns	107037.9 Ops/sec
luxon	219409.2 Ops/sec
moment	40522.7 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/luxon@1.26.0/build/global/luxon.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:

datefns
window.datefns.parseISO(window.ds)
luxon
luxon.DateTime.fromISO(ds);
moment
moment(ds)