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Run results for:
for (i < n) vs forEach vs for...of
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<iframe src="https://measurethat.net/Embed?id=625708" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.3 Safari/605.1.15
Browser:
Safari 26
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
5 months ago
forloop
4.2M/s
for...of
1.8M/s
forEach
94K/s
View exact numbers
Test name
Executions per second
✓
forloop
4,151,418 Ops/sec
for...of
1,839,054 Ops/sec
forEach
93,793 Ops/sec
Script Preparation code:
var arr = Array(1000);
Tests:
forloop
for (let i = 0; i < 1000; i++) { arr[i]; }
forEach
arr.forEach(it => { it; });
for...of
for (let it of arr) { it; }