Run results for: 111111111111111

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.66 Safari/537.36

Browser: Chrome 87

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
222222222222222222222	823567.5 Ops/sec
3333333333333333333	992563264.0 Ops/sec

Tests:

222222222222222222222
const currency = [{ usd: 5 }, { uah: 10 }, { usd: 3 }]; // {ysd:8, hrn:10} const result = currency.reduce((res, item) => { for (const [key, value] of Object.entries(item)) { !res[key] ? (res[key] = value) : (res[key] = res[key] + value); } return res; }, {});
3333333333333333333
const currency = [{ usd: 5 }, { uah: 10 }, { usd: 3 }]; // {ysd:8, hrn:10} const merge = (data) => { const res = {}; data.forEach((item) => { for (let [key, value] of Object.entries(item)) { !res[key] ? (res[key] = value) : (res[key] += value); } }); return res; };