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Run results for:
for vs foreach vs some vs every vs for..of vs map
Compare loop performance
Go to the benchmark
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=578410" 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
Benchmark engine:
Benchmark.js
foreach
4.8M/s
every
4.8M/s
some
4.7M/s
for
4.4M/s
map
4.0M/s
for..of
1.1M/s
View exact numbers
Test name
Executions per second
✓
foreach
4,811,850 Ops/sec
every
4,758,776 Ops/sec
some
4,734,984 Ops/sec
for
4,350,418 Ops/sec
map
4,029,963 Ops/sec
for..of
1,117,364 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]; });
some
array.some(function(i) { array[i]; });
every
array.every(function(i) { array[i]; });
for..of
for (var i of array) { array[i]; }
map
array.map(a => a);