Script Preparation code:
AخA
 
var arr = [];
for (let i = 0; i < 1000; i++) {
    arr[i] = i;
}
var len = arr.length
Tests:
  • foreach

     
    arr.forEach(item => item);
  • for

     
    for (let i = 0; i < len; i++) {
      return arr[i];
    }
  • map

     
    arr.map(item => item);
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

  • Test case name Result
    foreach
    for
    map

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 4 years ago)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.83 Safari/537.36
Chrome 85 on Mac OS X 10.15.6
View result in a separate tab
Test name Executions per second
foreach 3002945.0 Ops/sec
for 8065733.0 Ops/sec
map 421831.2 Ops/sec