| <html> | |
| <head> | |
| <style> | |
| .green { | |
| background-color: lime; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="foo">The background of this div should be green.</div> | |
| <script> | |
| document.getElementById('foo').id = 'goo'; | |
| document.getElementById('goo').className = 'green'; | |
| </script> | |
| </body> | |
| </html> |