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for vs foreach vs for..in vs for..of (without broken array accesses)
(version: 1)
Compare loop performance
Comparing performance of:
for vs foreach vs for in vs for..of
Created:
10 months ago
by:
Guest
Jump to the latest result
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) { i; });
for in
for (var i in array) { array[i]; }
for..of
for (var i of array) { i; }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (4)
Previous results
Fork
Test case name
Result
for
foreach
for in
for..of
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
10 months ago
)
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.5 Safari/605.1.15
Browser/OS:
Safari 18 on Mac OS X 10.15.7
View result in a separate tab
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=611876" width="100%" height="500px"></iframe>
Test name
Executions per second
for
26581338.0 Ops/sec
foreach
671453.8 Ops/sec
for in
10667954.0 Ops/sec
for..of
8558130.0 Ops/sec
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