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for vs foreach vs some vs for..of with modern var declarations
(version: 0)
Compare loop performance
Comparing performance of:
for vs foreach vs some vs for..of
Created:
one year ago
by:
Guest
Jump to the latest result
Script Preparation code:
var array = new Array(100);
Tests:
for
for (let i = 0; i < array.length; i++) { array[i]; }
foreach
array.forEach(function(i) { array[i]; });
some
array.some(function(i) { array[i]; });
for..of
for (const i of array) { array[i]; }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (4)
Previous results
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Test case name
Result
for
foreach
some
for..of
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Browser/OS:
Chrome 130 on Mac OS X 10.15.7
View result in a separate tab
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=562924" width="100%" height="500px"></iframe>
Test name
Executions per second
for
221476.1 Ops/sec
foreach
8915883.0 Ops/sec
some
9187566.0 Ops/sec
for..of
364537.2 Ops/sec
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