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Run results for:
spread before shallow copy array method
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=588746" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36
Browser:
Chrome 133
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
with spread
28.8 Ops/sec
without spread
107.2 Ops/sec
Script Preparation code:
const array = Array.from({ length: 1_000_000 }, (_, i) => i);
Tests:
with spread
;[...array].filter((i) => i % 2);
without spread
;array.filter((i) => i % 2);