Run results for: Iterate-Set4

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

for of: few items

10.4M/s

forEach: few items

9.9M/s

for of: many items

163K/s

forEach: many items

135K/s

View exact numbers

Script Preparation code:

var fewItemSet = new Set([1, 2, 3]);
var manyItemSet = new Set(Array.from({ length: 1000 }, (_, i) => i));

Tests:

for of: few items
let result = 0; for (const item of fewItemSet) { result += item; }
for of: many items
let result = 0; for (const item of manyItemSet) { result += item; }
forEach: few items
let result = 0; fewItemSet.forEach((item) => { result += item })
forEach: many items
let result = 0; manyItemSet.forEach((item) => { result += item })