In this example, you will see how to validate a list of checkboxes which are placed in multiple columns.
The following form asks us to choose at least one day that we will be notified when the event is going to happen. The list of days are placed inside two columns which have the same
We need to define the elements that display the feedback icon and error message:
To show the feedback icon at the element
#alertDayIcon, we can handle the init.field.fv event that is trigger right after initializing the fields and feedback icon element:
The last step is to use the err option to indicate the container where the associated messages are shown: