val() documentation should say what is returned if no radio button is checked · Issue #893 · jquery/api.jquery.com · GitHub
![How to post radio button value false/0, if radio button option is not selected & set true/1, if value is selected in the form of array? - Stack Overflow How to post radio button value false/0, if radio button option is not selected & set true/1, if value is selected in the form of array? - Stack Overflow](https://i.stack.imgur.com/DUqCQ.jpg)
How to post radio button value false/0, if radio button option is not selected & set true/1, if value is selected in the form of array? - Stack Overflow
![SubramanyamRaju Xamarin & Windows App Dev Tutorials: How to create RadioButton in Xamarin.Forms (C# - Xaml) SubramanyamRaju Xamarin & Windows App Dev Tutorials: How to create RadioButton in Xamarin.Forms (C# - Xaml)](https://2.bp.blogspot.com/-6d1S4kJ_RwU/WqfIKFX3sII/AAAAAAAADiM/ws4_PQWUAFcXd1fPLMEdLPfpcVaLJUZTgCLcBGAs/s1600/RadioButton.png)