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Run results for:
JS forEach vs for ... of
compare between forEach and for ... of
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=626152" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 26_3_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/145.0.7632.108 Mobile/15E148 Safari/604.1
Browser:
Chrome Mobile iOS 145
Operating system:
iOS 26.3.0
Device Platform:
Mobile
Date tested:
5 months ago
forEach
60.5M/s
for ... of
24.3M/s
View exact numbers
Test name
Executions per second
✓
forEach
60,481,956 Ops/sec
for ... of
24,324,016 Ops/sec
Script Preparation code:
x = [1,2,3,4,5]
Tests:
forEach
y = [] x.forEach(i => y.push(i))
for ... of
y = [] for (const i of x) { y.push(i) }