Run results for: for of vs forEach vs reduce

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 15_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.5 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 15

Operating system: iOS 15.5

Device Platform: Mobile

Date tested: one year ago

Script Preparation code:

var base = new Map(Array.from({
    length: 100000
}).map((_, i) => [i, i]));

Tests:

for of
const map = new Map(); for (const [k, v] of base) { map.set(k, v); }
forEach
const map = new Map(); base.forEach((k, v) => map.set(k, v));
reduce
const map = Array.from(base).reduce((map, [k, v]) => { map.set(k, v); return map; }, new Map());