Run results for: Clone wars: lodash vs klona vs structuredClone

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:137.0) Gecko/20100101 Firefox/137.0

Browser: Firefox 137

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

Klona

3.1M/s

Native structuredClone

832K/s

Lodash.cloneDeep

739K/s

View exact numbers

Test name	Executions per second
✓ Klona	3,085,410 Ops/sec
Native structuredClone	831,568 Ops/sec
Lodash.cloneDeep	738,693 Ops/sec

HTML Preparation code:

<script src='https://unpkg.com/klona@2.0.6/json/index.min.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/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...'
    },
    array: [
        1, 2, 3,
        {
            one: [2, 3, 4]
        }
    ]
};

var myCopy = null;

Tests:

Native structuredClone
myCopy = structuredClone(MyObject);
Klona
myCopy = klona.klona(MyObject);
Lodash.cloneDeep
myCopy = _.cloneDeep(MyObject);

Run results for: Clone wars: lodash vs klona vs structuredClone

Comparing performance of: Native structuredClone vs Klona vs Lodash

Native structuredClone

Klona

Lodash.cloneDeep