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Run results for:
Concat vs Slice
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=507506" 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/122.0.0.0 Safari/537.36
Browser:
Chrome 122
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
Array.prototype.slice
79.6M/s
Array.prototype.concat
55.4M/s
View exact numbers
Test name
Executions per second
✓
Array.prototype.slice
79,593,296 Ops/sec
Array.prototype.concat
55,375,788 Ops/sec
Tests:
Array.prototype.slice
var other = [ 1, 2 ].slice();
Array.prototype.concat
var other = [].concat([ 1, 2 ]);