AngularJS ngRepeat and orderBy.
HTML
<div ng-app="myApp" ng-controller="Ctrl">
<div ng-repeat="card in myCards | orderBy:'starred'">
<businesscard>{{card.firstName}} {{card.lastName}}
<a ng-click='card.starred = !card.starred'>{{card.starred}}</a>
</businesscard>
</div>
</div>
JavaScript
angular.module('myApp', [])
.controller('Ctrl', function($scope) {
$scope.myCards = [
{firstName: 'John', lastName: 'Smith', starred: true},
{firstName: 'Eleanor', lastName: 'Rigby', starred: false},
{firstName: 'Maxwell', lastName: 'Hammer', starred: true},
{firstName: 'Buzz', lastName: 'Aldrin', starred: false},
{firstName: 'Neil', lastName: 'Armstrong', starred: false}
];
});