Run results for: Testingas AngularGas2

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/75.0.3770.90 Chrome/75.0.3770.90 Safari/537.36

Browser: Chromium 75

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
myCopy = JSON.parse(JSON.stringify(MyObject))	263.3 Ops/sec
myCopy = angular.copy(MyObject)	172.0 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.11/angular.min.js'></script>

Script Preparation code:

var MyObject = {};

// Iterate to big object 100 000 times
for (var i = 0; i < 1000; 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:

myCopy = JSON.parse(JSON.stringify(MyObject))
myCopy = JSON.parse(JSON.stringify(MyObject))
myCopy = angular.copy(MyObject)
myCopy = angular.copy(MyObject)

Run results for: Testingas AngularGas2

myCopy = JSON.parse(JSON.stringify(MyObject))

myCopy = angular.copy(MyObject)