The Radio object represents a radio button in an HTML form.
For each instance of an <input type="radio"> tag in an HTML
form, a Radio object is created.
You can access a Radio object by indexing the elements array
(by number or name) of the corresponding form or by using
getElementById().
| Property |
Description |
IE |
F |
N |
W3C |
| accept |
Sets or returns a list of content
types, which the server processing this form will handle
correctly |
- |
|
|
Yes |
| accesskey |
Sets or returns the keyboard key to
access the radio button |
4 |
|
|
Yes |
| align |
Sets or returns the alignment of the
radio button according to the surrounding text |
- |
|
|
Yes |
| alt |
Sets or returns an alternate text to
display if the browser does not support radio buttons |
- |
|
|
Yes |
| checked |
Sets or returns the current state of
the radio button (true if selected and false if not
selected) |
3 |
1 |
2 |
Yes |
| defaultChecked |
Sets or returns the default value of
the checked attribute (true if checked by default and
false if not) |
3 |
1 |
2 |
Yes |
| disabled |
Sets or returns whether or not the
radio button should be disabled |
5 |
1 |
|
Yes |
| form |
Returns a reference to the radio
button's parent form |
3 |
1 |
2 |
Yes |
| id |
Sets or returns the id of the radio
button (In IE 4 this property is read-only) |
4 |
1 |
|
No |
| name |
Sets or returns the name of the radio
button |
3 |
1 |
2 |
Yes |
| size |
Sets or returns the size of the radio
button |
3 |
|
|
Yes |
| tabIndex |
Sets or returns the tab order for the
radio button |
4 |
|
|
Yes |
| type |
The type of the form element. For a
radio object it will always be "radio" |
3 |
1 |
3 |
Yes |
| value |
Sets or returns the value of the value
attribute of the radio button |
3 |
1 |
2 |
Yes |
