Script Preparation code:
AخA
 
var arr='giyrxgfoyugrxeupqzuehfgfccsydgfpxwieuhqzuiehfuiegfyuegfpegrygrypiop634927chmiuqefdyiqdetfcityrfiwecfiuegciquegiyrxgfoyugrxeupqzuehfgfccsydgfpxwieuhqzuiehfuiegfyuegfpegrygrypiop634927chmiuqefdyiqdetfcityrfiwecfiuegciquegiyrxgfoyugrxeupqzuehfgfccsydgfpxwieuhqzuiehfuiegfyuegfpegrygrypiop634927chmiuqefdyiqdetfcityrfiwecfiuegciquegiyrxgfoyugrxeupqzuehfgfccsydgfpxwieuhqzuiehfuiegfyuegfpegrygrypiop634927chmiuqefdyiqdetfcityrfiwecfiuegciquegiyrxgfoyugrxeupqzuehfgfccsydgfpxwieuhqzuiehfuiegfyuegfpegrygrypiop634927chmiuqefdyiqdetfcityrfiwecfiuegciquegiyrxgfoyugrxeupqzuehfgfccsydgfpxwieuhqzuiehfuiegfyuegfpegrygrypiop634927chmiuqefdyiqdetfcityrfiwecfiuegciquegiyrxgfoyugrxeupqzuehfgfccsydgfpxwieuhqzuiehfuiegfyuegfpegrygrypiop634927chmiuqefdyiqdetfcityrfiwecfiuegciquegiyrxgfoyugrxeupqzuehfgfccsydgfpxwieuhqzuiehfuiegfyuegfpegrygrypiop634927chmiuqefdyiqdetfcityrfiwecfiuegciqueieuhqzuiehfuiegfyuegfpegrygrypiop634927chmiuqefdyiqdetfcityrfiwecfiuegciquegiyrxgfoyugrxeupqzuehfgfccsydgfpxwieuhqzuiehfuiegfyui'.split('');
var a;
Tests:
  • for

     
    const k = (b) => {a=b}
    for(let i=0; i < 1000; ){k(arr[i++])};
  • foreach

     
    arr.forEach((b)=>{a=b});
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

  • Test case name Result
    for
    foreach

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 6 years ago)
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36
Chrome 70 on Windows
View result in a separate tab
Test name Executions per second
for 5197.5 Ops/sec
foreach 9414.8 Ops/sec