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

Run details:

User agent: Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4096.0 Safari/537.36 OPR/69.0.3653.0 (Edition developer)

Browser: Opera 69

Operating system: Windows 8.1

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
for	32939.3 Ops/sec
foreach	2349118.0 Ops/sec
some	2340123.2 Ops/sec
for..of	56936.5 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