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Run results for:
Set for entries vs forEach
Benchmark the performance diff between sets forEach and for loop over set.entries
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=525519" 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/125.0.0.0 Safari/537.36
Browser:
Chrome 125
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
for x of Set
181/s
Set.forEach
100/s
View exact numbers
Test name
Executions per second
✓
for x of Set
181 Ops/sec
Set.forEach
100 Ops/sec
Script Preparation code:
const data = new Set for (let i = 0; i < 1000000; i++) { data.add(i) } window.data = data
Tests:
Set.forEach
let sum = 0 window.data.forEach((v) => { sum += v }) console.log(sum)
for x of Set
let sum = 0 for (const v of window.data) { sum += v } console.log(sum)