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Run results for:
Intl.DateTimeFormat
Comparing 2 dates with Intl.DateTimeFormat vs using Date.get* methods
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<iframe src="https://measurethat.net/Embed?id=563061" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:131.0) Gecko/20100101 Firefox/131.0
Browser:
Firefox 131
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
one year ago
Benchmark engine:
Benchmark.js
without Intl.DateTimeFormat
15.7M/s
with Intl.DateTimeFormat
613K/s
View exact numbers
Test name
Executions per second
✓
without Intl.DateTimeFormat
15,736,468 Ops/sec
with Intl.DateTimeFormat
612,998 Ops/sec
Script Preparation code:
var x = new Date('5/11/2018'); var y = new Date('5/11/2018'); var dateOptions = { weekday: 'long', year: 'numeric', month: 'long', day: 'numeric' }; var dateTimeFormat = new Intl.DateTimeFormat('en-US', dateOptions);
Tests:
without Intl.DateTimeFormat
var z = (x.getFullYear() === y.getFullYear() && x.getMonth() === y.getMonth() && x.getDate() === y.getDate());
with Intl.DateTimeFormat
var z = (dateTimeFormat.format(x) === dateTimeFormat.format(y));