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forEach vs for of (without indexes)
(version: 1)
Comparing performance of:
forEach vs for of vs for
Created:
4 months ago
by:
Guest
Go to the latest result
Script Preparation code:
var arr = []; for (let i = 0; i < 10000; i++) { arr.push(`string number ${i}`) }
Tests:
forEach
arr.forEach(value => { const foo = `${value} test`; });
for of
for (const value of arr) { const foo = `${value} test`; }
for
for (let i = 0; i < arr.length; i++) { const foo = `${arr[i]} test`; }
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 of
for
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
4 months 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
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=626891" width="100%" height="500px"></iframe>
for of
61K/s
forEach
52K/s
for
40K/s
View exact numbers
Test name
Executions per second
✓
for of
61,201 Ops/sec
forEach
51,932 Ops/sec
for
40,380 Ops/sec
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