Run results for: index loop vs for-of loop vs foreach vs map

Run details:

User agent: Mozilla/5.0 (Linux; Android 9; TA-1012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.112 Mobile Safari/537.36

Browser: Chrome Mobile 74

Operating system: Android

Device Platform: Mobile

Date tested: 5 years ago

Script Preparation code:

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

Tests: