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Run results for:
for vs .foreach vs .some vs for..of
Compare loop performance
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=581843" 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/131.0.0.0 Safari/537.36
Browser:
Chrome 131
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Benchmark engine:
Benchmark.js
some
13.9M/s
foreach
13.8M/s
for
7.6M/s
for..of
1.9M/s
View exact numbers
Test name
Executions per second
✓
some
13,910,608 Ops/sec
foreach
13,805,531 Ops/sec
for
7,608,772 Ops/sec
for..of
1,931,121 Ops/sec
Script Preparation code:
let array = new Array(100);
Tests:
for
for (let i = 0; i < array.length; i++) { array[i]; }
foreach
array.forEach((i) => { array[i]; });
some
array.some((i) => { array[i]; });
for..of
for (let i of array) { array[i]; }