index.html

<!doctype html>
<html ng-app>
    <head>
        <script src="https://ajax.googleapis.com/ajax/libs
        /angularjs/1.2.0-rc.2/angular.js"></script>
        </script>
    </head>
    <body>
        <div ng-controller="MyController">
            <h1>Hello {{ name }}!</h1>
        </div>
        <script type="text/javascript">
            function MyController($scope) {
                $scope.name = "Ved";
                var updateName = function() {
                    if($scope.name=="Ved")
                        $scope.name = "Manasvi";
                    else
                        $scope.name = "Ved";
                };
                setInterval(function() {
                    $scope.$apply(updateName);
                }, 1000);
                updateName();
            };
        </script>
    </body>
</html>