| Name | Values | Description |
|---|---|---|
| class | classname | Class of the element which is used to associate the element with a style sheet. |
| id | string | A unique name to identify an element. |
| HTML | NETSCAPE | INTERNET EXPLORER | ||||||
| 4.1 | N2 | N3 | N4 | N6 | IE3 | IE4 | IE5 | IE6 |
| NO | YES | YES | YES | YES | NO | NO | NO | NO |