You can use this repository
to report mistakes in the documentation and the documentation examples.
To do that open new issue and provide as much information as possible about the error you have noticed.
Meanwhile, you can fully explore the source code of the examples
and their actual behaviour running the application that lies behind them.The particular case you have pointed to is situated here
. Still, if we have some errors in the article itself or some of the code samples are no longer valid please do not hesitate to report them to us.
Telerik by Progress
Did you know that you can open individual support tickets which are reviewed and answered within 24h by the same team who built the components? This is available in our UI for NativeScript Pro + Support offering