Run results for: structuredClone vs spread vs Object.assign syntax

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:122.0) Gecko/20100101 Firefox/122.0

Browser: Firefox 122

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
window.structuredClone	573437.8 Ops/sec
Spread syntax	7466358.5 Ops/sec
Object assign	25896750.0 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:

window.structuredClone
const copy = window.structuredClone(voucher);
Spread syntax
const copy = { ...voucher };
Object assign
const copy = {}; Object.assign(copy, voucher)

Run results for: structuredClone vs spread vs Object.assign syntax

window.structuredClone

Spread syntax

Object assign