Run results for: Moment Dayjs Date-fns format benchmark

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Date-fns

258K/s

Dayjs

243K/s

Momentjs

127K/s

View exact numbers

Test name	Executions per second
✓ Date-fns	257,955 Ops/sec
Dayjs	242,603 Ops/sec
Momentjs	126,844 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")