Angular: Empty Fiddle

http://angularjs.org/

HTML

<script src="http://code.angularjs.org/angular-1.0.0.js"></script>
<div ng-controller="MyCtrl">
    {{hellos}}
</div>

JavaScript

var myApp = angular.module('myApp', []);
   
myApp.provider('helloWorld', function() {
    this.$get = function() {
        return {
            sayHello: function() {
                return "Hello, World!"
            }
        }
    };
});

function MyCtrl($scope, helloWorld) {    
    $scope.hellos = [helloWorld.sayHello()];
}