Run results for: Dayjs Date-fns format comparison

Run details:

User agent: Mozilla/5.0 (Android 13; Mobile; rv:124.0) Gecko/124.0 Firefox/124.0

Browser: Firefox Mobile 124

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Dayjs

63K/s

Date-fns

36K/s

View exact numbers

Test name	Executions per second
✓ Dayjs	62,974 Ops/sec
Date-fns	36,432 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 Preparation code:

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

Tests:

Date-fns
window.datefns.parseISO(window.ds); window.datefns.format(new Date(), "mm-dd-yyyy");
Dayjs
dayjs(ds) dayjs().format("MM-DD-YYYY")