How do I tab a radio button?
Tab and Shift + Tab
When the focus is on a selected radio button, the next tab allows the user to leave the group of radio buttons. If no radio button is selected when the radio buttons group is opened from the keyboard, the keyboard is focused: On the first radio button in the group if the Tab key was pressed.
What is a radio button in GUI?
A radio button is an element of the graphical user interface (GUI) which allows a user to select a single item from a predefined list of options. Radio buttons are often arranged in a group of at least two options.
How do I place a radio button?
Radio buttons are normally presented in radio groups (a collection of radio buttons describing a set of related options). Only one radio button in a group can be selected at the same time. Note: The radio group must have share the same name (the value of the name attribute) to be treated as a group.