Run results for: Angularjs copy vs JSON.parse(JSON.stringify())

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:75.0) Gecko/20100101 Firefox/75.0

Browser: Firefox 75

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
angular.copy()	113441.7 Ops/sec
JSON.parse(JSON.stringify())	187575.8 Ops/sec

HTML Preparation code:

<html>
  <head>
  <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.7.6/angular.min.js"></script>
  </head>
  <body>
  </body>
</html>

Script Preparation code:

var origObj = {
 Object: { Name: "Object1", Desc: "Desc2" },
 Object2: { Name: "Object2", Desc: "Desc2" },
 Array1: [ "item2", "xitem2", "item3", "item1", "item2", "itexm6", "item1", "item7", "itesm1" ],
 Array2: [ "itexm1", "item3", "item1", "istem9", "item2", "item1", "itemx8", "ites1", "itesm1" ],
 Array3: [ "item3", "itesm1", "item7", "item1", "itexm1", "item33", "ixtem1", "itesm1", "itezm0" ],
};

var newObj = {};

Tests:

angular.copy()
newObj = angular.copy(origObj);
JSON.parse(JSON.stringify())
newObj = JSON.parse(JSON.stringify(origObj));

Run results for: Angularjs copy vs JSON.parse(JSON.stringify())

angular.copy vs JSON.parse(JSON.stringify())

angular.copy()

JSON.parse(JSON.stringify())