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Run results for:
Array spread vs. push performance
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=563868" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Browser:
Chrome 130
Operating system:
Linux
Device Platform:
Desktop
Date tested:
one year ago
Array.prototype.push
10.5M/s
Array spread
3/s
Array.prototype.concat
2/s
View exact numbers
Test name
Executions per second
✓
Array.prototype.push
10,452,134 Ops/sec
Array spread
3 Ops/sec
Array.prototype.concat
2 Ops/sec
Script Preparation code:
var arr = [1, 1, 1, 1, 1];
Tests:
Array.prototype.push
arr.push(1);
Array.prototype.concat
arr.concat(1);
Array spread
[...arr, 1];