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for vs for backwards vs for each vs some vs for..of
(version: 1)
Compare loop performance
Comparing performance of:
for vs foreach vs some vs for..of vs for backwards
Created:
6 months ago
by:
Guest
Jump to the latest result
Script Preparation code:
var array = new Array(100);
Tests:
for
const len = array.length; for (var i = 0; i < len; 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]; }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (5)
Previous results
Fork
Test case name
Result
for
foreach
some
for..of
for backwards
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
6 months ago
)
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36
Browser/OS:
Chrome 141 on Mac OS X 10.15.7
View result in a separate tab
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=619077" width="100%" height="500px"></iframe>
Test name
Executions per second
for
9581017.0 Ops/sec
foreach
11342826.0 Ops/sec
some
11053922.0 Ops/sec
for..of
1818913.2 Ops/sec
for backwards
9403799.0 Ops/sec
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