Run results for: For vs for of vs forEach

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.0 Safari/605.1.15

Browser: Safari 26

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 10 months ago

for loop

37K/s

for of

15K/s

reduce

785/s

forEach

782/s

View exact numbers

Script Preparation code:

var array = new Array(100000);

Tests:

for loop
let value; for (var i = 0; i < array.length; i++) { value = array[i]; }
forEach
let value; array.forEach(function(i) { value = i; });
for of
let value; for (var i of array) { value = i; }
reduce
const value = array.reduce((prev, current) => current, null)