script angularJS login without database

angular.module('AdminLogin', [])
.controller('LoginAdmin', function($scope){
    $scope.login=function(){
        if($scope.username==="admin"&&$scope.password==="admin"){
            $scope.login1="Anda berhasil login...";
            alert('Selamat Datang Admin', 10);
            setTimeout("location.href='index.html'", 10);
        }else{
            alert("Username dan Password salah!")
        }
        $scope.name=$scope.username;
        $scope.pass=$scope.password;
    }
})