Check All , UnCheck All - AngularJs

Code to check and uncheck all using angularjs

by silvajeff

HTML

<div>
    <ul ng-controller="checkboxController">
        <li>Check All
            <input type="checkbox" ng-model="selectedAll" ng-click="checkAll()" />
        </li>
        <li ng-repeat="item in Items">
            <label>{{item.Name}}
                <input type="checkbox" ng-model="item.Selected" ng-click="unCheckAll()"/>
            </label>
        </li>
    </ul>
</div>

JavaScript

angular.module("CheckAllModule", [])
    .controller("checkboxController", function checkboxController($scope) {


    $scope.Items = [{
        Name: "Item one"
    }, {
        Name: "Item two"
    }, {
        Name: "Item three"
    }];
    $scope.unCheckAll = function(){
    	if ($scope.selectedAll) {
            $scope.selectedAll = false;
        }    
        angular.forEach($scope.Items, function (item) {
            if(!item.Selected){
                $scope.selectedAll=false;
                exit;
            }else{
                $scope.selectedAll=true;
            }
        });

    }
    $scope.checkAll = function () {
        if ($scope.selectedAll) {
            $scope.selectedAll = true;
        } else {
            $scope.selectedAll = false;
        }
        angular.forEach($scope.Items, function (item) {
            item.Selected = $scope.selectedAll;
        });

    };


});