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Radio button controls are grouped by their name attribute. If a form has multiple radio button controls with the same name, they will act as a mutually exclusive radio group. Selecting one radio button control will deselect all other controls in the radio group.

Usage

Attributes

• align
• checked
• disabled
• name
• readonly
• size
• value
• width
• common attributes

Browser compatibility

Compatibility table legend

Further reading

• Web Forms 2.0
• The input element in HTML 4
• The input type=radio element on MSDN
• The history of the input type=radio element on blooberry.com