Run results for: Iterate-Set4

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:132.0) Gecko/20100101 Firefox/132.0

Browser: Firefox 132

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

forEach: few items

24.5M/s

for of: few items

20.5M/s

forEach: many items

236K/s

for of: many items

146K/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 })