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...'
  },
  nesting: {
    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...'
    },
    nesting: {
      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...'
      },
      nesting: {
        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 myCopy = null;
Tests:
  • Lodash cloneDeep

     
    myCopy = _.cloneDeep(MyObject);
  • Native structuredClone

     
    myCopy = structuredClone(MyObject);
  • JSON.stringify(JSON.parse())

     
    myCopy = JSON.parse(JSON.stringify(MyObject));
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

  • Test case name Result
    Lodash cloneDeep
    Native structuredClone
    JSON.stringify(JSON.parse())

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 8 days ago)
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 OPR/118.0.0.0
Opera 118 on Mac OS X 10.15.7
View result in a separate tab
Test name Executions per second
Lodash cloneDeep 584812.8 Ops/sec
Native structuredClone 394425.9 Ops/sec
JSON.stringify(JSON.parse()) 593983.3 Ops/sec