Run results for: structuredClone vs spread object comparison

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 16_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.0 YaBrowser/23.1.0.2677.10 SA/3 Mobile/15E148 Safari/604.1

Browser: Yandex Browser 23

Operating system: iOS 16.2

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
structuredClone	374148.2 Ops/sec
Spread	2699297.5 Ops/sec

Script Preparation code:

var voucher = {
    "single": false,
    "applyOverTaxes": false,
    "discountType": "1",
    "value": 100,
    "minimumAmount": 0,
    "quantity": 1,
    "suffixLength": 8,
    "code": "IF5R0AFX",
    "vertical": [],
    "allowedPaymentMethods": [],
    "allowedBanks": [],
    "types": [],
    "partners": [],
    "startDate": "2020-10-21T00:00:00.000Z",
    "endDate": "2020-10-21T00:00:00.000Z",
    "applyed": false
}

Tests:

structuredClone
const copy = window.structuredClone(voucher);
Spread
const copy = { ...voucher };

Run results for: structuredClone vs spread object comparison

structuredClone

Spread