Run results for: foreach vs some vs for..of vs for with length vs map

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.100 Safari/537.36

Browser: Chrome 75

Operating system: Linux

Device Platform: Desktop

Date tested: 5 years ago

Script Preparation code:

var array = new Array(1000);

Tests:

foreach
array.forEach(function(i) { array[i]; });
some
array.some(function(i) { array[i]; });
for..of
for (var i of array) { array[i]; }
for with length
var length = array.length; for (var i = 0; i < length; i++) { array[i]; }
map
array.map(function(i) { array[i]; });