Run results for: LargeObject Lodash cloneDeep vs structuredClone vs JSON Parse

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36

Browser: Chrome 109

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Lodash cloneDeep	353.7 Ops/sec
Native structuredClone	594.2 Ops/sec
JSON Parse	1184.4 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 = {
    a: _.range(1000).map(i => ({
        foo: {
            a: 123,
            b: 456,
            bar: {
                a: 123,
                b: 456,
            }
        }
    })),
    b: {
        a: 123,
        b: 456,
        c: {
            a: 123,
            b: 456,
            c: {
                a: 123,
                b: 456,
                c: {
                    a: 123,
                    b: 456,
                    c: _.range(1000).map(i => ({
                        a: 123,
                        b: 456
                    }))
                }
            }
        }
    }

};

var myCopy = null;

Tests:

Lodash cloneDeep
myCopy = _.cloneDeep(MyObject);
Native structuredClone
myCopy = structuredClone(MyObject);
JSON Parse
myCopy = JSON.parse(JSON.stringify(MyObject));

Run results for: LargeObject Lodash cloneDeep vs structuredClone vs JSON Parse

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

Lodash cloneDeep

Native structuredClone

JSON Parse