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Run results for:
JS forEach vs for ... of Set
compare between forEach and for ... of
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<iframe src="https://measurethat.net/Embed?id=623275" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36
Browser:
Chrome 143
Operating system:
Windows
Device Platform:
Desktop
Date tested:
7 months ago
for ... of
118.6M/s
forEach
43.4M/s
View exact numbers
Test name
Executions per second
✓
for ... of
118,593,592 Ops/sec
forEach
43,370,652 Ops/sec
Script Preparation code:
x = new Set([1,2,3,4,5])
Tests:
forEach
var y x.forEach(i => {y = i})
for ... of
var y for (const i of x) { y = i }