| <html> | |
| <body> | |
| <select aria-label="selection_list" size="10" id="listbox"> | |
| <optgroup label="Enabled" id="listbox_optgroup_enabled"> | |
| <option value="listbox_e1" id="listbox_option_enabled_one">One</option> | |
| <option value="listbox_e2">Two</option> | |
| <option value="listbox_e3">Three</option> | |
| <option value="listbox_e4">Four</option> | |
| </optgroup> | |
| </select> | |
| </body> | |
| </html> |