Benchmark: dayjs vs js-joda vs date-fns vs new Date() from ISO strings

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/@js-joda/core@5.6.3/dist/js-joda.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/date-fns/1.9.0/date_fns.min.js"></script>

Script Preparation code:

dayjs.extend(window.dayjs_plugin_customParseFormat);

Tests:

js-joda (ZonedDateTime)
JSJoda.ZonedDateTime.parse('2025-01-09T12:36:53Z');
date-fns
dateFns.parse('2025-01-09T12:36:53Z')
new Date()
new Date('2025-01-09T12:36:53Z')
js-joda (just a date)
JSJoda.LocalDate.parse('2025-01-09')

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
js-joda (ZonedDateTime)
date-fns
new Date()
js-joda (just a date)

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

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dayjs vs js-joda vs date-fns vs new Date() from ISO strings (version: 1)

Comparing performance of: js-joda (ZonedDateTime) vs date-fns vs new Date() vs js-joda (just a date)

Created: one year ago by: Guest

Jump to the latest result

js-joda (ZonedDateTime)

date-fns

new Date()

js-joda (just a date)

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results