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Run results for:
for vs foreach vs for..in vs for..of
Compare loop performance
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=614726" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 18_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.5 Mobile/15E148 Safari/604.1
Browser:
Mobile Safari 18
Operating system:
iOS 18.5
Device Platform:
Mobile
Date tested:
9 months ago
Test name
Executions per second
for
10773194.0 Ops/sec
foreach
273353.8 Ops/sec
for in
4224431.5 Ops/sec
for..of
193690.7 Ops/sec
Script Preparation code:
var array = new Array(100);
Tests:
for
for (var i = 0; i < array.length; i++) { array[i]; }
foreach
array.forEach(function(i) { array[i]; });
for in
for (var i in array) { array[i]; }
for..of
for (var i of array) { array[i]; }