অ্যাঙ্গুলারজেএস lowercase

<!DOCTYPE html>
<html ng-app="app">
<script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.8.3/angular.min.js"></script>
<body>

<div ng-controller="app">
  <input ng-model="text">
  <p>{{text | lowercase}}</p>
</div>

<script>
angular.module("app", [])
  .controller("app", function($scope) {

    $scope.text = "হ্যালো বিশ্ব";

  });
</script>

</body>
</html>