Run results for: moment(string) vs moment(new Date(string)) vs new Date(string) vs dayjs(string) vs dayjs(new Date(string))

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36

Browser: Chrome 134

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

new Date()

5.2M/s

Date() dayjs date

3.2M/s

Date() moment date

1.9M/s

dayjs with format

1.7M/s

String dayjs date

1.7M/s

moment with format

276K/s

String moment date

248K/s

View exact numbers

Test name	Executions per second
✓ new Date()	5,206,908 Ops/sec
Date() dayjs date	3,202,180 Ops/sec
Date() moment date	1,937,331 Ops/sec
dayjs with format	1,719,157 Ops/sec
String dayjs date	1,666,922 Ops/sec
moment with format	275,661 Ops/sec
String moment date	248,443 Ops/sec

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.30.1/moment.min.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/dayjs/1.11.13/dayjs.min.js'></script>

Tests:

String moment date
const date = moment('1996-01-22')
Date() moment date
const date = moment(new Date('1996-01-22'))
new Date()
const date = new Date('1996-01-22')
String dayjs date
const date = dayjs('1996-01-22')
Date() dayjs date
const date = dayjs(new Date('1996-01-22'))
moment with format
const date = moment('1996-01-22','YYYY-MM-DD')
dayjs with format
const date = dayjs('1996-01-22','YYYY-MM-DD')