Run results for: Angular clone 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/125.0.0.0 Safari/537.36 OPR/111.0.0.0

Browser: Opera 111

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Angular copy

1.2M/s

Lodash cloneDeep

965K/s

Json clone

721K/s

View exact numbers

Test name	Executions per second
✓ Angular copy	1,181,983 Ops/sec
Lodash cloneDeep	964,709 Ops/sec
Json clone	721,249 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;

Tests:

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