Filters in JavaScript Controller

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Change the way 'value' is displayed ('map')

• $scope.new_value = $filter('FILTER')($scope.some_value)
• $scope.new_value = $filter('FILTER')($scope.some_value, param)

Reduce the elements of value ('grep', 'select', 'filter')

• $scope.new_array = $filter('filter')($scope.some_array, FILTER)
• $scope.new_array = $scope.some_array.filter(FILTER)