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for vs for-of vs forEach
(version: 1)
Test speed of iterating over an array
Comparing performance of:
for vs for-of vs forEach
Created:
7 months ago
by:
Guest
Jump to the latest result
HTML Preparation code:
<!--your preparation HTML code goes here-->
Script Preparation code:
var objects = new Array(100_000).fill(0).map(()=>({}));
Tests:
for
for (var i = 0; i < objects.length; ++i) { objects[i].value = 'a'; }
for-of
for(const o of objects) { o.value = 'a' }
forEach
objects.forEach(o => { o.value = 'a'; })
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
Fork
Test case name
Result
for
for-of
forEach
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
9 hours ago
)
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
Browser/OS:
Chrome 146 on Mac OS X 10.15.7
View result in a separate tab
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=628450" width="100%" height="500px"></iframe>
Test name
Executions per second
for
5228.7 Ops/sec
for-of
19376.5 Ops/sec
forEach
16490.1 Ops/sec
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Array vs Map vs object iteration 2
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for vs foreach vs for..of (z2)
for-in vs object.keys vs object.values for objects perf
for in vs for of --
for object
For in vs Object.*.forEach vs Object.values 2
for, for-of, forEach
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