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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=621509" 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/142.0.0.0 Safari/537.36
Browser:
Chrome 142
Operating system:
Windows
Device Platform:
Desktop
Date tested:
8 months ago
Array.from
5K/s
Spread
5K/s
Slice
5K/s
View exact numbers
Test name
Executions per second
✓
Array.from
4,667 Ops/sec
Spread
4,627 Ops/sec
Slice
4,520 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);