## Keyboard Shortcuts

| Shortcut | Behavior |
|----------|----------|
| `Alt Down` | Opens pop up. |
| `Alt Up` or `Esc` | Closes popup. |
| `Esc` | Resets the value in the input when Popup is closed. |
| `Enter` | Triggers change event. |

Typing in the input should focus matched item.

The Popup element of the component should implement the KB specification for a **PopuList** component.

## Resources

https://www.w3.org/TR/wai-aria-practices/examples/combobox/aria1.1pattern/listbox-combo.html
https://www.w3.org/TR/wai-aria-practices-1.2/examples/combobox/combobox-autocomplete-list.html
https://www.w3.org/TR/wai-aria-practices/#listbox_kbd_interaction