Attributes NAME Required attribute. Gives the name of the field. How long the field should be in characters. What the field should be set to initially. This value appears in the field and can be typed over.
Radio buttons are mutually exclusive, so a user can only pick one.
You should not have too many radio button fields, as they slow a page down. Attributes NAME Required attribute. Gives the name of the field. These elements behave just like radio buttons, except that the choices are indicated with a check box and the reader may select more than one option. Like all elements that define input fields, it must have a NAME attribute.