Benchmark: for of vs for vs foreach

Script Preparation code:

var arr = [1,2,3,4,5,6,7,8,9,0];

Tests:

Foreach
let result1 = ""; arr.forEach(item => result1 += item);
For
let result2 = ""; for (let i = 0; i < arr.length; i++) { result2 += arr[i]; }
For of
let result3 = ""; for (let item of arr) { result3 += item; }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Foreach
For
For of

Fastest: N/A

Slowest: N/A

ⓘ Get performance results from real users on your website with Request Metrics.

Website Performance Monitoring by Request Metrics

Latest run results:

Run details: (Test run date: 5 months ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.2319 YaBrowser/23.9.0.2319 Yowser/2.5 Safari/537.36

Browser/OS: Yandex Browser 23 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
Foreach	6800792.0 Ops/sec
For	951327.3 Ops/sec
For of	8078295.0 Ops/sec

for of vs for vs foreach (version: 9)

Comparing performance of: Foreach vs For vs For of

Created: 3 years ago by: Registered User

Jump to the latest result

Foreach

For

For of

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A