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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Browser: Chrome 127

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

for..of

10.8M/s

foreach

5.1M/s

for in

3.7M/s

for

82K/s

View exact numbers

Script Preparation code:

var array = new Array(100);

Tests:

for
var len = array.length; for (var i = 0; i < array.length; i++) { array[i]; }
foreach
array.forEach(function(el) { el; });
for in
for (var i in array) { array[i]; }
for..of
for (var el of array) { el; }