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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=589515" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:135.0) Gecko/20100101 Firefox/135.0
Browser:
Firefox 135
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
one year ago
for
220K/s
foreach
171K/s
for..of
160K/s
View exact numbers
Test name
Executions per second
✓
for
220,054 Ops/sec
foreach
170,724 Ops/sec
for..of
160,062 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(); }