angular and select2

controller.js

 /* Example Select2 & AngularJs */
 $scope.noResultsTag = null;
    $scope.tags = [
        {id: 0, name: "Zero"},
        {id: 1, name: "One"},
        {id: 2, name: "Two"}, 
        {id: 3, name: "Three"}, 
        {id: 4, name: "Four"}, 
    ];

    $scope.select2Options = {
        formatNoMatches: function(term) {
            console.log("Term: " + term);
            var message = 'Add tag:"' + term + '"';
            if(!$scope.$$phase) {
                $scope.$apply(function() {
                    $scope.noResultsTag = term;
                });
            }
            return message;
        }
    };

 //$scope.selectedTags = [1,4];

    $scope.addTag = function() {  
  $scope.tags.push({     
   id: $scope.tags.length,
            name: $scope.noResultsTag
        });
    };
   /* End : Example Select2 & AngularJs */

html code

<select multiple="" ng-model="selectedTags" style="width: 400px;" ui-select2="select2Options">
   <option ng-repeat="tag in tags" value="{{tag.id}}">{{tag.name}}</option>
 </select>

js lib include

<script src="https://rawgithub.com/angular-ui/ui-select2/master/src/select2.js"></script>