If the dropdown is not open, expand the dropdown list.
If hints, title or messages exist in a notewindow,
pop up the notewindow.
Arrow button
Tap
If the dropdown is not open, expand the dropdown list. Otherwise, close the dropdown list.
Option item
Tap
Tap on an option item in the dropdown list to select.
Keyboard Information
Target
Key
Action
Option item
Enter or Space
Select the highlighted choice from the dropdown and close the dropdown.
Option item
Tab
Select the highlighted choice from the dropdown and transfer focus to the next
tabbable element on the page.
Input field
Esc
Collapse the dropdown list. If the dropdown is already closed, do nothing.
Input field
Enter
If the selected value text has been deleted, clear the value and close the dropdown.
If filtering, select the highlighted choice from the dropdown and close the
dropdown.
Input field
Tab
If the selected value text has been deleted, clear the value and transfer focus
to the next tabbable element on the page. If filtering, select the highlighted choice
from the dropdown and transfer focus to the next tabbable element on the page.
Input field
UpArrow or DownArrow
If the dropdown is not open, expand the dropdown list. Otherwise, transfer
focus into the dropdown list.
Dropdown
UpArrow or DownArrow
Highlight the option item in the dropdown list in the direction of the arrow.
Dropdown
Esc
Collapse the dropdown list.
Select
Tab In
Set focus to the Select. If hints, title or messages exist in a notewindow,
pop up the notewindow.