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Run results for:
Array.forEach vs Object.keys().forEach
If I have an array, is it faster to use Array.forEach or Object.keys().forEach?
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=569264" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Mobile Safari/537.36
Browser:
Chrome Mobile 131
Operating system:
Android
Device Platform:
Mobile
Date tested:
one year ago
Array.forEach
6/s
Object.keys().forEach
6/s
View exact numbers
Test name
Executions per second
✓
Array.forEach
6 Ops/sec
Object.keys().forEach
6 Ops/sec
Script Preparation code:
var arr = (new Array(10000)).fill(0).map((x, i) => { return i + 1 })
Tests:
Array.forEach
arr.forEach(val => console.log(val))
Object.keys().forEach
Object.keys(arr).forEach(key => console.log(arr[key]))