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

Run details:

User agent: Mozilla/5.0 (Linux; arm_64; Android 9; SM-A505FM) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.97 YaBrowser/19.12.1.121.00 Mobile Safari/537.36

Browser: Yandex Browser 19

Operating system: Android

Device Platform: Mobile

Date tested: 5 years ago

Test name	Executions per second
for	27434.5 Ops/sec
foreach	1077224.4 Ops/sec
some	1058911.4 Ops/sec
for..of	44474.8 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