anchor.diff:      super.initState();
       hide = () => Provider.of<CardsDataProvider>(context, listen: false)
           .toggleCard(widget.cardId);
  -    webCardUrl = widget.initialUrl;
     }
   
     @override
  
positive.code:           child: WebView(
              opaque: false,
              javascriptMode: JavascriptMode.unrestricted,
              initialUrl: webCardUrl,
              onWebViewCreated: (controller) {
                _webViewController = controller;
              },
              javascriptChannels: <JavascriptChannel>[
                _linksChannel(context),
                _heightChannel(context),
                _refreshTokenChannel(context),
              ].toSet(),
            ),
          ),
  
negative.code:       },
      );
    }
  }
  