Run results for: Lodash cloneDeep vs structuredClone 2asdasdas

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser: Chrome 123

Operating system: Windows

Device Platform: Desktop

Date tested: 11 months ago

Test name	Executions per second
Lodash cloneDeep	535768.9 Ops/sec
Native structuredClone	242265.7 Ops/sec

HTML Preparation code:

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

AخA
 
<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...',
        a: {
            stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',
            parse: 'JSON.parse() method parses a JSON string...',
            a: {
                stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',
                parse: 'JSON.parse() method parses a JSON string...',
                a: {
                    stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',
                    parse: 'JSON.parse() method parses a JSON string...',
                    a: {
                        stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',
                        parse: 'JSON.parse() method parses a JSON string...',
                        a: {
                            stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',
                            parse: 'JSON.parse() method parses a JSON string...',
                            a: {
                                stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',
                                parse: 'JSON.parse() method parses a JSON string...'
                            }
                        }
                    }
                }
            }
        }
    }
};

var myCopy = null;

​x
 
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...',        a: {            stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',            parse: 'JSON.parse() method parses a JSON string...',            a: {                stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',                parse: 'JSON.parse() method parses a JSON string...',                a: {                    stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',                    parse: 'JSON.parse() method parses a JSON string...',                    a: {                        stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',                        parse: 'JSON.parse() method parses a JSON string...',                        a: {                            stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',                            parse: 'JSON.parse() method parses a JSON string...',                            a: {                                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);
myCopy = _.cloneDeep(MyObject);
Native structuredClone
myCopy = structuredClone(MyObject);
myCopy = structuredClone(MyObject);

Run results for: Lodash cloneDeep vs structuredClone 2asdasdas

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

Lodash cloneDeep

Native structuredClone