Run results for: Moment Dayjs Date-fns format benchmark

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36 Edg/92.0.902.84

Browser: Chrome 92

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Date-fns	153263.3 Ops/sec
Momentjs	75969.0 Ops/sec
Dayjs	144085.3 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.format(window.datefns.parseISO(window.ds), "yyyy-mm-dd")
Momentjs
moment(ds).format("YYYY-MM-DD")
Dayjs
dayjs(ds).format("YYYY-MM-DD")

Run results for: Moment Dayjs Date-fns format benchmark

Moment Dayjs Date-fns format benchmark

Date-fns

Momentjs

Dayjs