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Run results for:
Concat vs Slice
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<iframe src="https://measurethat.net/Embed?id=581311" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0
Browser:
Firefox 134
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Array.prototype.slice
62.6M/s
Array.prototype.concat
33.1M/s
View exact numbers
Test name
Executions per second
✓
Array.prototype.slice
62,580,492 Ops/sec
Array.prototype.concat
33,113,318 Ops/sec
Tests:
Array.prototype.slice
var other = [ 1, 2 ].slice();
Array.prototype.concat
var other = [].concat([ 1, 2 ]);