Run results for: Array loop vs foreach vs for_of

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:99.0) Gecko/20100101 Firefox/99.0

Browser: Firefox 99

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 3 years ago

Script Preparation code:

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

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

Tests:

for (let i = 0; i < arr.length; i++) {
  someFn(arr[i])
}

 
for (let i = 0; i < arr.length; i++) {  someFn(arr[i])}

for_of
for (const item of arr) { someFn(item) }
for (const item of arr) {
someFn(item)
}