Benchmark: for vs foreach vs some vs for..of (1 million)

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

var array = new Array(1000000);

Tests:

for
for (var 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 (var i of array) { array[i]; }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
for
foreach
some
for..of

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 9 months ago)

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.1 Mobile/15E148 Safari/604.1

Browser/OS: Mobile Safari 26 on iOS 18.7

View result in a separate tab

for

5K/s

some

79/s

foreach

75/s

for..of

60/s

View exact numbers

Test name	Executions per second
✓ for	4,850 Ops/sec
some	79 Ops/sec
foreach	75 Ops/sec
for..of	60 Ops/sec

for vs foreach vs some vs for..of (1 million) (version: 1)

Comparing performance of: `for vs foreach vs some vs for..of`

Created: 9 months ago by: Guest

Go to the latest result

for

foreach

some

for..of

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

for vs foreach vs some vs for..of (1 million) (version: 1)

Comparing performance of: for vs foreach vs some vs for..of

Created: 9 months ago by: Guest

Go to the latest result

for

foreach

some

for..of

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Related benchmarks

Comparing performance of: `for vs foreach vs some vs for..of`