Run results for: Lodash cloneDeep vs JSON Clone (very big object)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.157 Safari/537.36

Browser: Chrome 74

Operating system: Mac OS X 10.13.6

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
Lodash cloneDeep	1.6 Ops/sec
Json clone	1.7 Ops/sec

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.11/lodash.min.js'></script>

Script Preparation code:

var MyObject = {};

// Iterate to big object 100 000 times
for (var i = 0; i < 100000; i++) {
  MyObject['prop' + i] = {
    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);
Json clone
myCopy = JSON.parse(JSON.stringify(MyObject));

Run results for: Lodash cloneDeep vs JSON Clone (very big object)

Lodash cloneDeep

Json clone