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Run results for:
JavaScript reverse with copy vs toReversed
Compare Array.reverse() with copy to Array.toReversed() performance wise.
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<iframe src="https://measurethat.net/Embed?id=554084" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0
Browser:
Firefox 130
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
one year ago
Array.toReversed()
43.4M/s
Array.reverse()
18.1M/s
View exact numbers
Test name
Executions per second
✓
Array.toReversed()
43,442,212 Ops/sec
Array.reverse()
18,098,464 Ops/sec
Script Preparation code:
array = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
Tests:
Array.reverse()
[...array].reverse();
Array.toReversed()
array.toReversed();