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Run results for:
Array spread vs. push performance
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<iframe src="https://measurethat.net/Embed?id=563867" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:131.0) Gecko/20100101 Firefox/131.0
Browser:
Firefox 131
Operating system:
Linux
Device Platform:
Desktop
Date tested:
one year ago
Array.prototype.push
22.9M/s
Array.prototype.concat
2/s
Array spread
0/s
View exact numbers
Test name
Executions per second
✓
Array.prototype.push
22,935,844 Ops/sec
Array.prototype.concat
2 Ops/sec
Array spread
0 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];