я хочу изменить класс btn-white на btn-primary для выбранной кнопки
$scope.SelectedCombination = function (combinationId) {
$scope.selectedCombination =combinationId;
};
HTML
<button ng-repeat="combination in combinations" class="btn btn-white" ng-model="" value="{{combination.combinationId}}" ng-click="SelectedCombination(combination.combinationId)" type="button">{{combination.name}}</button>