  //
        // // ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥ðŸ”¥

        try {
          let app = firebase.app();
          let features = ['auth', 'database', 'messaging', 'storage'].filter(feature => typeof app[feature] === 'function');
          document.getElementById('lo