Run results for: Set for entries vs forEach

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 16_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/111.0.5563.72 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 111

Operating system: iOS 16.3

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
Set.forEach	138.6 Ops/sec
for x of Set	314.6 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)

Run results for: Set for entries vs forEach

Benchmark the performance diff between sets forEach and for loop over set.entries

Set.forEach

for x of Set