ARIA Listbox (Sortable)

The sortable listbox is keyboard accessible:

• Set focus on the Listbox or the Select field.
• Press the Arrow keys to change options, or press Home or End to jump to the beginning or end of the list.
• Press PageDown or PageUp to jump backward or forward incrementally.
• Press any letter or number to jump to an item starting with that character or digit.
• Press the Spacebar to toggle grabbability on the ARIA Listbox.
• Use the Arrow keys to navigate to a new location, then use the Spacebar to drop the grabbed item.
• Press Escape to cancel a grab action without dropping.
• Mouse users can click a list item to grab it, then click another item to drop the grabbed item in that location.