Angular 1.6.5 Template

HTML

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.5/angular.js"></script>
<script src="https://code.angularjs.org/1.6.5/angular-animate.js"></script>
<div ng-app="testApp" ng-controller="testController as $ctrl">
  <select ng-model="myOptions" ng-options="i.label for i in items track by i.id">
  </select>
  $scope.myOptions = {{myOptions}}
</div>

JavaScript

var app = angular.module('testApp', []);

app.controller('testController', ['$scope', function($scope) {
  $scope.myOptions = {
    "id": 0
  };
  $scope.items = [{
    id: 0,
    label: 'Default'
  }, {
    id: 1,
    label: 'All'
  }, {
    id: 2,
    label: '3 month'
  }, {
    id: 3,
    label: '6 month'
  }, {
    id: 4,
    label: 'Previous Month'
  }];
}]);