Angular: Empty Fiddle

http://angularjs.org/

HTML

<script src="http://code.angularjs.org/angular-1.0.1.js"></script>
<div ng-controller="MyCtrl">
  <select name="category" type="text" ng-model="categories" ng-options="ref as display for (ref, display) in categories | orderBy:'display'" >
    
</div>

JavaScript

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

//myApp.directive('myDirective', function() {});
//myApp.factory('myService', function() {});

function MyCtrl($scope) {
  $scope.categories = {
      cat2: "Category 2",
			default: "anone",
			zone: "zone",
	};
}