Run results for: for vs foreach vs some [with effects]

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/106.0.0.0 Safari/537.36

Browser: Chrome 106

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Script Preparation code:

var array = new Array(100);

Tests:

for..in
for (var i in array) { console.log(array[i]); }
foreach
array.forEach(function(item, index) { console.log(item); return item; });
some
const result = array.some(function(item, index) { console.log(item); return item === array[index]; }); console.log(result);
for
for (var i = 0; i < array.length; i++) { console.log(array[i]); }
for with predefined size
var size = array.length for (var i = 0; i < size; i++) { console.log(array[i]); }
while
while((a=array.pop()) !== undefined){ console.log(array); }