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Run results for:
Array clone (spread vs slice vs array.from)
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Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=594333" 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/134.0.0.0 Safari/537.36
Browser:
Chrome 134
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Spread
3K/s
Array.from
3K/s
Slice
3K/s
View exact numbers
Test name
Executions per second
✓
Spread
3,147 Ops/sec
Array.from
3,049 Ops/sec
Slice
2,966 Ops/sec
HTML Preparation code:
<!--your preparation HTML code goes here-->
Script Preparation code:
const array = Array.from({ length: 128000 }, (_, i) => { return { i } })
Tests:
Spread
const copy = [...array];
Slice
const copy = array.slice();
Array.from
const copy = Array.from(array);