In which scenario would you use the updateOn option with a value of 'blur' for a FormControl?
- To update the control only on user focus.
- To update the control only on user input.
- To update the control immediately after any change.
- To update the control on a custom event trigger.
You would use the updateOn option with a value of 'blur' for a FormControl when you want the control to update its value and trigger validation only when the user focuses on it (on blur). This can be helpful to provide a more user-friendly experience by not showing immediate validation errors as the user types. Options like 'user input' or 'immediately after any change' would lead to different behaviors not associated with 'blur.'
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