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Run results for:
for vs foreach vs some vs for..of (short array)
Compare loop performance
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=488327" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Mobile Safari/537.36
Browser:
Chrome Mobile 119
Operating system:
Android
Device Platform:
Mobile
Date tested:
2 years ago
foreach
9.2M/s
some
9.0M/s
for..of
1.5M/s
for
1.1M/s
View exact numbers
Test name
Executions per second
✓
foreach
9,175,119 Ops/sec
some
9,006,338 Ops/sec
for..of
1,453,708 Ops/sec
for
1,088,004 Ops/sec
Script Preparation code:
var array = new Array(5);
Tests:
for
for (var i = 0; i < array.length; i++) { array[i]; }
foreach
array.forEach(function(i) { array[i]; });
some
array.some(function(i) { array[i]; });
for..of
for (var i of array) { array[i]; }