Run results for: DeepFreeze vs Lodash cloneDeep vs JSON Clone

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36

Browser: Chrome 112

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Lodash cloneDeep	1447066.4 Ops/sec
Json clone	762074.8 Ops/sec
Deep Freeze	6355377.0 Ops/sec

HTML Preparation code:

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.0/angular.min.js"></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.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;


function deepFreeze(obj){
    if (obj && typeof obj === "object" && !Object.isFrozen(obj)) {
        Object.freeze(obj);
        Object.getOwnPropertyNames(obj).forEach(prop => deepFreeze(obj[prop]));
    }
    return obj;
};

Tests:

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

Run results for: DeepFreeze vs Lodash cloneDeep vs JSON Clone

Lodash cloneDeep

Json clone

Deep Freeze