selectedValue([value])
Class: RadioButtonMenuItem.
Description:
Gets or sets the selected value within this radio button group.
If a value is provided, selects the radio button in the same group that matches the given value (including this one).
Parameters:
| Name | Type | Description |
|---|---|---|
|
|
number | string |
Value to select within the group. |
Returns:
If value is provided, an instance of this object is returned. If no argument is provided, a value of the currently selected radio button in the group is returned, or null, if no button is selected or selected button doesn't have a value.
Type: RadioButtonMenuItem | number | string | null