AngularJS Example

HTML

<div class="btn-group btn-group-sm" id="buttonGroupNotification">
      <button type="button" class="btn btn-primary">&#x271A;</button>
    <button type="button" class="btn btn-primary">items</button>
    <button type="button" class="btn btn-primary" >
      &#x2716;
    </button>
  
  </div>

JavaScript

function Controller($scope) {
    $scope.question={};
    $scope.question.option={};
    //there should be at least two options initially and then user can add more
    var option={
        number:$scope.question.option.number,
        description:$scope.question.option.description,
    }
    $scope.question.options=[option, option];
    
    $scope.change=function(){
        //console.log($scope.question.options);
    }
    $scope.addOption=function()
    {
        var option={
        number:$scope.question.option.number,
        description:$scope.question.option.description,
        }
        
        $scope.question.options.push(option);
        console.log($scope.question.options);
    };
}