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Run results for:
for-vs-foreach-vs-forof
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=622237" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 YaBrowser/25.8.0.0 Safari/537.36
Browser:
Yandex Browser 25
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
8 months ago
forEach
1.8M/s
for
583K/s
for of
14K/s
View exact numbers
Test name
Executions per second
✓
forEach
1,779,153 Ops/sec
for
582,599 Ops/sec
for of
14,348 Ops/sec
Script Preparation code:
var arr = []; for (var i = 0; i < 1000; i++) { arr[i] = i; } function someFn(i) { return i * 3 * 8; }
Tests:
forEach
arr.forEach(function (item){ someFn(item); });
for
for (var i = 0, len = arr.length; i < len; i++) { someFn(arr[i]); }
for of
for(xxx of arr){ someFn(xxx); }