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angular.copy

  1. - function in module ng

Creates a deep copy of source, which should be an object or an array.


Only enumerable properties are taken into account. Non-enumerable properties (both on source and on destination) will be ignored.

Usage

angular.copy(source, [destination]);

Arguments

Param Type Details
source *

The source that will be used to make a copy. Can be any type, including primitives, null, and undefined.

destination
(optional)
ObjectArray

Destination into which the source is copied. If provided, must be of the same type as source.

Returns

*

The copy or updated destination, if destination was specified.

Examples

<div ng-controller="ExampleController">
  <form novalidate class="simple-form">
    <label>Name: <input type="text" ng-model="user.name" /></label><br />
    <label>Age:  <input type="number" ng-model="user.age" /></label><br />
    Gender: <label><input type="radio" ng-model="user.gender" value="male" />male</label>
            <label><input type="radio" ng-model="user.gender" value="female" />female</label><br />
    <button ng-click="reset()">RESET</button>
    <button ng-click="update(user)">SAVE</button>
  </form>
  <pre>form = {{user | json}}</pre>
  <pre>master = {{master | json}}</pre>
</div>
// Module: copyExample
angular.
  module('copyExample', []).
  controller('ExampleController', ['$scope', function($scope) {
    $scope.master = {};

    $scope.reset = function() {
      // Example with 1 argument
      $scope.user = angular.copy($scope.master);
    };

    $scope.update = function(user) {
      // Example with 2 arguments
      angular.copy(user, $scope.master);
    };

    $scope.reset();
  }]);