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Run results for:
JavaScript reverse vs toReversed vs slice.reverse
Compare Array.reverse() to Array.toReversed() performance wise.
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<iframe src="https://measurethat.net/Embed?id=599523" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36 Edg/136.0.0.0
Browser:
Chrome 136
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Array.reverse()
49.4M/s
Array.slice.reverse()
33.9M/s
Array.toReversed()
28.2M/s
View exact numbers
Test name
Executions per second
✓
Array.reverse()
49,387,708 Ops/sec
Array.slice.reverse()
33,929,584 Ops/sec
Array.toReversed()
28,171,326 Ops/sec
Script Preparation code:
array = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15];
Tests:
Array.reverse()
array.reverse();
Array.toReversed()
array.toReversed();
Array.slice.reverse()
array.slice().reverse();