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foreach vs for vs for in
(version: 0)
Comparing performance of:
forEach vs for vs for in
Created:
5 years ago
by:
Registered User
Go to the latest result
Script Preparation code:
var a = Array(400).fill(0) var i = 0;
Tests:
forEach
a.forEach(d=>++i);
for
for (; i < a.length;) {const d=a[i];++i}
for in
for(const key in a){++i;}
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
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Test case name
Result
forEach
for
for in
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
5 months ago
)
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Browser/OS:
Chrome 142 on Linux
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=625728" width="100%" height="500px"></iframe>
for
76.6M/s
forEach
41K/s
for in
34K/s
View exact numbers
Test name
Executions per second
✓
for
76,634,248 Ops/sec
forEach
40,852 Ops/sec
for in
33,702 Ops/sec
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