Run results for: Lodash cloneDeep vs structuredClone vs JSON-Clone

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser: Chrome 133

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Lodash cloneDeep

1.9M/s

JSON-Clone

1.6M/s

Native structuredClone

744K/s

View exact numbers

Test name	Executions per second
✓ Lodash cloneDeep	1,927,894 Ops/sec
JSON-Clone	1,564,720 Ops/sec
Native structuredClone	744,177 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 myObject = {
    description: 'Creates a deep copy of source, which should be an object or an array.',
    myNumber: 123456789,
    myBoolean: true,
    jayson: {
        stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',
        parse: 'JSON.parse() method parses a JSON string...'
    }
};

var myCopy = null;

Tests:

Lodash cloneDeep
myCopy = _.cloneDeep(myObject);
Native structuredClone
myCopy = structuredClone(myObject);
JSON-Clone
myCopy = JSON.parse(JSON.stringify(myObject))

Run results for: Lodash cloneDeep vs structuredClone vs JSON-Clone

https://developer.mozilla.org/en-US/docs/Web/API/structuredClone

Lodash cloneDeep

Native structuredClone

JSON-Clone