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Run results for:
for vs foreach vs for..in vs for..of skidson
Compare loop performance skidson
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=576688" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Mobile Safari/537.36
Browser:
Chrome Mobile 131
Operating system:
Android
Device Platform:
Mobile
Date tested:
one year ago
for in
605/s
foreach
366/s
for
262/s
for..of
44/s
View exact numbers
Test name
Executions per second
✓
for in
605 Ops/sec
foreach
366 Ops/sec
for
262 Ops/sec
for..of
44 Ops/sec
Script Preparation code:
var array = new Array(1000000);
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]; }