Run results for: Lodash cloneDeep vs JSON Clone vs Ramda Clone vs JSON Spread

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 11_2_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36

Browser: Chrome 89

Operating system: Mac OS X 11.2.3

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Lodash cloneDeep	708184.6 Ops/sec
Json clone	318205.8 Ops/sec
Ramda clone	1025021.5 Ops/sec
JSON Spread	5200920.5 Ops/sec

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/ramda/0.25.0/ramda.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/clone/2.1.2/clone.min.js"></script>

Script Preparation code:

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...'
  }
};

var myCopy = null;

Tests:

Lodash cloneDeep
myCopy = _.cloneDeep(MyObject);
Json clone
myCopy = JSON.parse(JSON.stringify(MyObject));
Ramda clone
myCopy = R.clone(MyObject);
JSON Spread
myCopy = {...MyObject};

Run results for: Lodash cloneDeep vs JSON Clone vs Ramda Clone vs JSON Spread

Lodash cloneDeep vs JSON Clone vs Ramda Clone vs JSON Spread

Lodash cloneDeep

Json clone

Ramda clone

JSON Spread