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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=609962" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 18_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.5 Mobile/15E148 Safari/604.1
Browser:
Mobile Safari 18
Operating system:
iOS 18.5
Device Platform:
Mobile
Date tested:
one year ago
Benchmark engine:
Benchmark.js
for
24.9M/s
foreach
608K/s
some
588K/s
map
554K/s
every
545K/s
for..of
425K/s
View exact numbers
Test name
Executions per second
✓
for
24,881,618 Ops/sec
foreach
607,987 Ops/sec
some
587,630 Ops/sec
map
554,445 Ops/sec
every
544,952 Ops/sec
for..of
425,470 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);