Run results for: Lodash cloneDeep vs structuredClone deep array

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser: Chrome 133

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Lodash cloneDeep

24/s

Native structuredClone

23/s

View exact numbers

Test name	Executions per second
✓ Lodash cloneDeep	24 Ops/sec
Native structuredClone	23 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...',
    jayson: {
    stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',
    parse: 'JSON.parse() method parses a JSON string...',
      jayson: {
    stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',
    parse: 'JSON.parse() method parses a JSON string...',
        jayson: {
    stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',
    parse: 'JSON.parse() method parses a JSON string...'
  }
  }
  }
  }
};

var arr = []
for (let i = 0; i <=10000; i++) {
  arr.push(structuredClone(MyObject))
}
var myCopy = null;

Tests:

Lodash cloneDeep
myCopy = _.cloneDeep(arr);
Native structuredClone
myCopy = structuredClone(arr);

Run results for: Lodash cloneDeep vs structuredClone deep array

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

Lodash cloneDeep

Native structuredClone