Run results for: Moment Dayjs Date-fns comparison

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:153.0) Gecko/20100101 Firefox/153.0

Browser: Firefox 153

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one month ago

Benchmark engine: Benchmark.js

Date-fns

1.3M/s

Dayjs

1.3M/s

Moment

332K/s

View exact numbers

Test name	Executions per second
✓ Date-fns	1,303,812 Ops/sec
Dayjs	1,268,657 Ops/sec
Moment	331,660 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)