Bootstrap Alert - функция сценария JS не работает

<div class = "form-group" ng-model = "ngModelAlertmsg" ng-switch = "ngModelAlertmsg">
		<div class = "col-md-9 col-md-offset-3">
		<script type = "text/javascript">
		window.setTimeout(function() {
		    $(".alert").fadeTo(500, 0).slideUp(500, function(){
		        $(this).remove(); 
		    });
		}, 4000);
		</script>
	
			<div ng-switch-when = "success" class = "alert alert-success alert-dismissible fade in col-md-6 alert-trim">
				<a href = "#" class = "close" data-dismiss = "alert" aria-label = "close">&times;</a>
				Charges Updated successfully.
			</div>
			<div ng-switch-when = "failed" class = "alert alert-danger alert-dismissible fade in col-md-6 alert-trim">
				<a href = "#" class = "close" data-dismiss = "alert" aria-label = "close">&times;</a>
				Something went wrong,Please try again later. 
			</div>		
			<div ng-switch-when = "warning" class = "alert alert-warning alert-dismissible fade in col-md-6 alert-trim">
				<a href = "#" class = "close" data-dismiss = "alert" aria-label = "close">&times;</a>
				Please check your given data. 
			</div>					            
		</div>
	</div>

var app = angular.module('ngapppmanual', []);
app.controller('ngctrlmanual', function($scope, $http, $location) {

    $scope.ngshowchargelist = false;

    $scope.getChargeDetails = function()
    {
        var url = $location.absUrl() + "/showmanuallist/" + $scope.selectedcharge;

        var config = {
            headers : {
                'Content-Type' : 'application/json;charset=utf-8;'
            }
        }

        $http.get(url, config).then(function(response)
        {

            if (response.data.status == "success")
            {
                $scope.manualresult = response.data.dataObj;
                $scope.ngshowchargelist = true;
                $scope.ngModelAlertmsg = response.data.status;

            } else
                {
                $scope.getResultMessage = "Customer Data Error!";
                $scope.ngModelAlertmsg = "warning";
                }

        },
            function(response)
            {
            $scope.getResultMessage = "Fail!";
        });

    }