Run results for: for vs foreach vs some vs for..of

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 14_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/87.0.4280.77 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 87

Operating system: iOS 14.2

Device Platform: Mobile

Date tested: 4 years ago

Test name	Executions per second
for	88829.6 Ops/sec
foreach	366092.7 Ops/sec
some	361470.7 Ops/sec
for..of	97723.9 Ops/sec

Script Preparation code:

var array = new Array(100);

AخA
 
var array = new Array(100);

Tests:

for

for (var i = 0; i < array.length; i++) {
  array[i];
}

 
for (var i = 0; i < array.length; i++) {  array[i];}

foreach
array.forEach(function(i) { array[i]; });
array.forEach(function(i) {
array[i];
});
some
array.some(function(i) { array[i]; });
array.some(function(i) {
array[i];
});
for..of
for (var i of array) { array[i]; }
for (var i of array) {
array[i];
}

Run results for: for vs foreach vs some vs for..of

Compare loop performance

for

foreach

some

for..of