angular.module('myApp', ['timer'])

    .controller('AppCtrl',['$scope', function($scope){
        $scope.gameOn = true;
        $scope.leaders = true;
        $scope.myScore = true;
}])

    .filter('completeList', function() {
      return function(items) {
        var list = [];
        if(items) {
          list = items.split(',');
          var last = list[list.length - 1];
          if(items.charAt(items.length - 1) != ',' || last.length === 0)
            list.pop();
        }
        return list;
      };
});

<div ng-show="gameOn" ng-controller="LabelCtrl" class="row marketing">
    <div class="col-lg-4">
      <h4>Enter comma-separated labels for this image</h4>
      <form role="form" class="form-inline" >
        <input ng-list ng-model="labels" placeholder="Enter labels" class="form-control" type="text" >
        <button class="form-control" class="btn btn-xs btn-success">Submit</button>
      </form>
    </div>

    <div class="col-lg-2">
      <h4>Labels</h4>
      <div>
        <ol>
          <li ng-repeat="label in labels track by $index | completeList">
            {{ label }}
          </li>
        </ol>
      </div>
    </div>

<li ng-repeat="label in labels | completeList track by $index">