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Run results for:
Date JS VS Date-Fns VS MomentJS - differenceInSeconds
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=619643" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.0.1 Safari/605.1.15
Browser:
Safari 26
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
9 months ago
Date JS
5.1M/s
Date-Fns
3.4M/s
MomentJS
189K/s
View exact numbers
Test name
Executions per second
✓
Date JS
5,058,799 Ops/sec
Date-Fns
3,358,992 Ops/sec
MomentJS
189,148 Ops/sec
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');