Run results for: _.cloneDeep vs structuredClone vs spread

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Browser: Chrome 124

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Spread operator

21.8M/s

Lodash cloneDeep

820K/s

structuredClone

451K/s

View exact numbers

Test name	Executions per second
✓ Spread operator	21,837,040 Ops/sec
Lodash cloneDeep	819,877 Ops/sec
structuredClone	450,568 Ops/sec

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

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:

Lodash cloneDeep
const copy = _.cloneDeep(voucher);
structuredClone
const copy = window.structuredClone(voucher);
Spread operator
const copy = { ...voucher };