অ্যাঙ্গুলারজেএস extend

<!DOCTYPE html>
<html>
<body>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.8.3/angular.min.js"></script>
  <script>
    var user = {
      name: "আরিফ"
    };

    angular.extend(user, {
      land: "বাংলাদেশ"
    });

    document.write(user.name);
    document.write(user.land);
  </script>
</body>
</html>