Run results for: structuredClone vs _.cloneDeep vs JSON - 1

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: 4 months ago

Test name	Executions per second
Lodash cloneDeep	260078.0 Ops/sec
Native JSON parse	333232.8 Ops/sec
structuredClone	156500.1 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 testArray = [{
    description: 'Random description.',
    testNumber: 123456789,
    testBoolean: true,
    testObject: {
        testString: 'test string',
        testNumber: 12345
    },
    testArray: [{
        myName: 'test name',
        myNumber: 123245
    }]
}, {
    description: 'Random description.',
    testNumber: 123456789,
    testBoolean: true,
    testObject: {
        testString: 'test string',
        testNumber: 12345
    },
    testArray: [{
        myName: 'test name',
        myNumber: 123245
    }]
}];

Tests:

Lodash cloneDeep
testCopy = _.cloneDeep(testArray);
Native JSON parse
testCopy = JSON.parse(JSON.stringify(testArray));
structuredClone
testCopy = structuredClone(testArray);

Run results for: structuredClone vs _.cloneDeep vs JSON - 1

compare array copy/clone methods sdfewfe

Lodash cloneDeep

Native JSON parse

structuredClone