Radio buttons with the same name form a group; only one of them can be selected.
:::form post vote.php
Your machine:
? radio mach value=c64 checked C64
? radio mach value=zx ZX Spectrum
? radio mach value=atari Atari
:::Preview: Commodore 64, 40 columns
Your machine:
(*) C64
( ) ZX Spectrum
( ) Atari
| Option | Meaning |
|---|---|
value |
what is sent when this button is selected |
checked |
selected at the start |
Sent as name=value of the selected button.