Whenever I attempt to duplicate a new object into an old object using angular.copy, the reference changes. If I try using = or
JSON.parse(JSON.stringify(newObj))Is there a solution to this issue?
Here is a code example:
$scope.value = newValue.ref;
In this case, the view does not update.
$scope.value = angular.copy(newValue.ref);
When doing this, the view updates, but the reference changes.
If you want to maintain the reference, make sure to use the two-argument version of angular.copy:
//$scope.value = angular.copy(newValue.ref);
//Make sure to use the two-argument format
angular.copy(newValue.ref, $scope.value);
By doing this, you can ensure that the original reference is retained.
How to Use
angular.copy(source, [destination]);This function creates a deep copy of the
source, which should be an object or an array.
- If a destination is specified, all of its elements (for arrays) or properties (for objects) will be removed before copying over the elements/properties from the source.
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