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

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; SM-G965F Build/QP1A.190711.020; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.81 Mobile Safari/537.36 Line/10.14.3/IAB

Browser: Chrome Mobile 85

Operating system: Android

Device Platform: Mobile

Date tested: 4 years ago

Test name	Executions per second
for	18792.0 Ops/sec
foreach	1302778.2 Ops/sec
some	1567431.9 Ops/sec
for..of	46559.0 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