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Run results for: Lodash cloneDeep vs structuredClone deep array

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

Go to the benchmark
Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36
Chrome 133
Windows
Desktop
6 days ago
Test name Executions per second
Lodash cloneDeep 23.6 Ops/sec
Native structuredClone 23.2 Ops/sec
HTML Preparation code:
AخA
 
1
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
Script Preparation code:
​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...',
    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);