Benchmark: Array loop vs foreach vs map vs for of1234

Script Preparation code:

   var arr = [];
    for (var i = 0; i < 1000; i++) {
      arr[i] = i;
    }
  
    function someFn(i) {
      return i * 3 * 8;
    }

var n= 0;

Tests:

foreach
arr.forEach(function (item){ })
for
for (var i = 0, len = arr.length; i < len; i++) { n = arr[i] }
for of
for (var n of arr) { }

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: 3 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.121 Safari/537.36

Browser/OS: Chrome 85 on Windows

View result in a separate tab

Test name	Executions per second
foreach	1015795.0 Ops/sec
for	3556.1 Ops/sec
for of	522801.7 Ops/sec

Array loop vs foreach vs map vs for of1234 (version: 0)

Comparing performance of: foreach vs for vs for of

Created: 3 years ago by: Guest

Jump to the latest result

foreach

for

for of

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A