Key	Function
tab	Moves focus to the autocomplete element.
any printable character	Opens the popup and moves focus to the first option.

Key	Function
tab	Moves focus to the next focusable element in the popup. If there is none, the focusable option is selected and the overlay is closed then moves focus to next element in page.
shift + tab	Moves focus to the previous focusable element in the popup. If there is none, the focusable option is selected and the overlay is closed then moves focus to next element in page.
enter	Selects the focused option and closes the popup, then moves focus to the autocomplete element.
space	Selects the focused option and closes the popup, then moves focus to the autocomplete element.
escape	Closes the popup, then moves focus to the autocomplete element.
down arrow	Moves focus to the next option, if there is none then visual focus does not change.
up arrow	Moves focus to the previous option, if there is none then visual focus does not change.
alt + up arrow	Selects the focused option and closes the popup, then moves focus to the autocomplete element.
left arrow	Removes the visual focus from the current option and moves input cursor to one character left.
right arrow	Removes the visual focus from the current option and moves input cursor to one character right.
home	Moves input cursor at the end, if not then moves focus to the first option.
end	Moves input cursor at the beginning, if not then moves focus to the last option.
pageUp	Jumps visual focus to first option.
pageDown	Jumps visual focus to last option.

Key	Function
backspace	Deletes the previous chip if the input field is empty.
left arrow	Moves focus to the previous chip if available and input field is empty.

Key	Function
left arrow	Moves focus to the previous chip if available.
right arrow	Moves focus to the next chip, if there is none then input field receives the focus.
backspace	Deletes the chips and adds focus to the input field.