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Run results for:
for vs foreach vs for..of with loop content
Compare loop performance
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=629606" 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/26.2 Safari/605.1.15
Browser:
Safari 26
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one month ago
for
439K/s
for..of
264K/s
foreach
263K/s
View exact numbers
Test name
Executions per second
✓
for
438,878 Ops/sec
for..of
263,519 Ops/sec
foreach
262,650 Ops/sec
Script Preparation code:
var array = new Array(100);
Tests:
for
for (var i = 0; i < array.length; i++) { array[i] = Date.now(); }
foreach
array.forEach(function(i) { array[i] = Date.now(); });
for..of
for (var i of array) { array[i] = Date.now(); }