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Run results for:
Javascript string to array mapping: Array.from() vs Spread syntax [...spread]
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<iframe src="https://measurethat.net/Embed?id=486424" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0
Browser:
Firefox 121
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
Array.from
28042.3 Ops/sec
[...spread]
23091.5 Ops/sec
Script Preparation code:
var string = '1'.repeat(1000);
Tests:
Array.from
const array = Array.from(string, x => x * 2);
[...spread]
const array = [...string].map(x => x * 2);