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Run results for:
For vs Foreach vs While
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<iframe src="https://measurethat.net/Embed?id=512140" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Browser:
Chrome 122
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
Foreach
2.4M/s
While
199K/s
For
100K/s
View exact numbers
Test name
Executions per second
✓
Foreach
2,443,650 Ops/sec
While
198,626 Ops/sec
For
99,504 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]; });
While
var i = 0; while (i < 100) { array[i]; i++; }