Run results for: date-fns vs momentjs date formatting

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36

Browser: Chrome 118

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 6 months ago

Test name	Executions per second
moment	573843.6 Ops/sec
date-fns	474685.8 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.29.1/moment.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/date-fns/1.30.1/date_fns.min.js"></script>

Script Preparation code:

window.__date__ = new Date();
window.__expected__ = '2021/09/26';

Tests:

moment
const actual = moment(__date__).format('DD/MM/YYYY hh:mm A'); const actual2 = moment(__date__).format("hh:mm A");
date-fns
const actual = dateFns.format(__date__, 'DD/MM/YYYY hh:mm A'); const actual2 = dateFns.format(__date__, 'hh:mm A');

Run results for: date-fns vs momentjs date formatting

It's not a deep validation; I'm just comparing ONE function that those two libraries have in common.

moment

date-fns