Angular checkbox CheckAll

Angular checkbox CheckAll.js

$scope.options = [
    {value:'Option1', selected:true}, 
    {value:'Option2', selected:false}, 
    {value:'Option3', selected:false}, 
    {value:'Option4', selected:false}, 
    {value:'Option5', selected:false}, 
    {value:'Option6', selected:false}
  ];
  
  $scope.toggleAll = function() {
     var toggleStatus = $scope.isAllSelected;
     angular.forEach($scope.options, function(item){ item.selected = toggleStatus; });
   
  };
  
  $scope.optionToggled = function(){
    $scope.isAllSelected = $scope.options.every(function(item){ return item.selected; });

gistfile1.html

<input type="checkbox" ng-click="toggleAll()" ng-model="isAllSelected">Select all
<div ng-repeat = "option in options">
  <input type="checkbox" ng-model="option.selected" ng-change="optionToggled()">
</div>