Run results for: Lodash cloneDeep vs JSON Clone vs freeze and destructure -w/ dates

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36

Browser: Chrome 117

Operating system: Windows

Device Platform: Desktop

Date tested: 11 months ago

Test name	Executions per second
Lodash cloneDeep	466025.8 Ops/sec
Json clone	205799.1 Ops/sec
freeze and destructure	1653343.0 Ops/sec

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 = {
  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...'
  },
  d1: new Date(),
  date2: new Date().setYear(1980)
};

var myCopy = null;

Tests:

Lodash cloneDeep
myCopy = _.cloneDeep(MyObject);
Json clone
myCopy = JSON.parse(JSON.stringify(MyObject));
freeze and destructure
Object.freeze(MyObject); myCopy = { ...MyObject };

Run results for: Lodash cloneDeep vs JSON Clone vs freeze and destructure -w/ dates

Lodash cloneDeep

Json clone

freeze and destructure