Run results for: Lodash cloneDeep vs JSON Clone (Number, Boolean, Object, Array, String, Null)

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser: Chrome 121

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Json clone

131K/s ±8.08%

Lodash cloneDeep

99K/s ±9.84%

View exact numbers

Test name	Executions per second
✓ Json clone	130,953 Ops/sec ±8.08%
Lodash cloneDeep	99,129 Ops/sec ±9.84%

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 = {
  string: 'Creates a deep copy of source, which should be an object or an array.',
  number: 1234567890,
  boolean: true,
  nullable: null,
  json: {
    stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',
    parse: 'JSON.parse() method parses a JSON string...'
  },
  array: [
    {
      id: 5,
      blocked: false,
      avatar: null,
      user: {
        firstName: 'Alan',
        lastName: 'Walker'
      },
    },
    {
      id: 5688,
      blocked: false,
      avatar: null,
      user: {
        firstName: 'Anna',
        lastName: 'Wanderwood'
      },
    },
    {
      id: 80043,
      blocked: true,
      avatar: 'image.jpg',
      user: {
        firstName: 'Serj',
        lastName: 'Cooper'
      },
    },
  ]
};

var myCopy = null;

Tests:

Lodash cloneDeep
myCopy = _.cloneDeep(MyObject);
Json clone
myCopy = JSON.parse(JSON.stringify(MyObject));