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Run results for:
Concat vs Slice
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=559920" 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/129.0.0.0 Safari/537.36
Browser:
Chrome 129
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Array.prototype.slice
102.0M/s
Array.prototype.concat
70.6M/s
View exact numbers
Test name
Executions per second
✓
Array.prototype.slice
101,992,976 Ops/sec
Array.prototype.concat
70,593,360 Ops/sec
Tests:
Array.prototype.slice
var other = [ 1, 2 ].slice();
Array.prototype.concat
var other = [].concat([ 1, 2 ]);