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Run results for: Lodash cloneDeep vs JSON.parse(JSON.stringify())

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36
Chrome 133
Mac OS X 10.15.7
Desktop
19 days ago
Test name Executions per second
Lodash cloneDeep 1256382.0 Ops/sec
Native structuredClone 578351.6 Ops/sec
JSON.parse(JSON.stringify()) 1113485.6 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 originalObject = {
  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...'
  }
};
​
var copiedObject = null;
Tests:

  • Lodash cloneDeep

     
    copiedObject = _.cloneDeep(originalObject);

  • Native structuredClone

     
    copiedObject = structuredClone(originalObject);

  • JSON.parse(JSON.stringify())

     
    copiedObject = JSON.parse(JSON.stringify(originalObject));