Angular: Empty Fiddle
http://angularjs.org/
HTML
<script src="http://code.angularjs.org/angular-1.0.1.js"></script>
<div ng-controller="MyCtrl">
<div ng-repeat="(key, value) in users">
<p>{{key}}</p>
<div ng-repeat= "user in filteredValue = (value | filter:query)">
</div>
Number of filtered user: {{filteredValue.length}}
</div>
</div>
JavaScript
var myApp = angular.module('myApp',[]);
//myApp.directive('myDirective', function() {});
//myApp.factory('myService', function() {});
function MyCtrl($scope) {
$scope.users = {
'New':[
{Name:'One'},
{Name:'Two'}
],
'Old':[
{Name:'Three'},
{Name:'Four'}
]
}
$scope.query='One'
}