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Run results for:
foreach vs for..of
Compare loop performance
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=601020" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3.1 Safari/605.1.15
Browser:
Safari 18
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
foreach
1.2M/s
for..of
961K/s
View exact numbers
Test name
Executions per second
✓
foreach
1,168,353 Ops/sec
for..of
960,614 Ops/sec
Script Preparation code:
var array = new Array(1000).fill(1);
Tests:
foreach
array.forEach(function(i) { array[i]; });
for..of
for (var i of array) { array[i]; }