Toggle navigation
MeasureThat
.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Run results for:
for vs forbackwards vs foreach vs some vs for..of
Compare loop performance
Go to the benchmark
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=618281" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36 Edg/141.0.0.0
Browser:
Chrome 141
Operating system:
Windows
Device Platform:
Desktop
Date tested:
10 months ago
some
9.3M/s
foreach
9.1M/s
for backwards
7.9M/s
for
4.5M/s
for..of
1.2M/s
View exact numbers
Test name
Executions per second
✓
some
9,346,473 Ops/sec
foreach
9,090,675 Ops/sec
for backwards
7,852,878 Ops/sec
for
4,546,778 Ops/sec
for..of
1,175,369 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]; });
for..of
for (var i of array) { array[i]; }
for backwards
for (var i = array.length; i >= 0; i--) { array[i]; }