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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=553342" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Mobile Safari/537.36
Browser:
Chrome Mobile 127
Operating system:
Android
Device Platform:
Mobile
Date tested:
one year ago
foreach
2.4M/s
for in
2.1M/s
for..of
88K/s
for
53K/s
View exact numbers
Test name
Executions per second
✓
foreach
2,439,404 Ops/sec
for in
2,075,185 Ops/sec
for..of
88,453 Ops/sec
for
52,544 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]; }