Benchmark: Date JS VS Date-Fns VS MomentJS - differenceInSeconds

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/moment@2.29.4/moment.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/date-fns/cdn.min.js"></script>

Script Preparation code:

var unix = 1724409214;

Tests:

Date JS
const keyEffectiveDateStart = new Date('2025-07-21T11:42:05.322Z'); const keyEffectiveDateEnd = new Date('2025-07-21T12:35:01.233Z'); const secondsTillKeyEnd = (keyEffectiveDateEnd.getTime() - keyEffectiveDateStart.getTime()) / 1000;
Date-Fns
const keyEffectiveDateStart = new Date('2025-07-21T11:42:05.322Z'); const keyEffectiveDateEnd = new Date('2025-07-21T12:35:01.233Z'); const secondsTillKeyEnd = dateFns.differenceInSeconds(keyEffectiveDateEnd, keyEffectiveDateStart);
MomentJS
const keyEffectiveDateStart = moment.utc('2025-07-21T11:42:05.322Z'); const keyEffectiveDateEnd = moment.utc('2025-07-21T12:35:01.233Z'); const secondsTillKeyEnd = keyEffectiveDateEnd.diff(keyEffectiveDateStart, 'seconds');

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Date JS
Date-Fns
MomentJS

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 6 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36

Browser/OS: Chrome 141 on Windows

View result in a separate tab

Test name	Executions per second
Date JS	3396504.5 Ops/sec
Date-Fns	2242568.8 Ops/sec
MomentJS	123466.9 Ops/sec

Related benchmarks:

Date JS VS Date-Fns VS MomentJS - differenceInSeconds (version: 1)

Comparing performance of: Date JS vs Date-Fns vs MomentJS

Created: 9 months ago by: Guest

Jump to the latest result

Date JS

Date-Fns

MomentJS

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A