If the drop down is not open, expand the drop down list. Otherwise, close the drop down list.
If hints, title or messages exist in a notewindow,
pop up the notewindow.
Arrow Button
Tap
If the drop down is not open, expand the drop down list. Otherwise, close the drop down list.
Option Item
Tap
Tap on an option item in the drop down list to select.
Keyboard Information
Target
Key
Action
Option item
Enter
Select the highlighted choice from the drop down and close the dropdown.
Option item
Tab
Select the highlighted choice from the drop down 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.
Drop down
UpArrow or DownArrow
Highlight the option item on the drop down list in the direction of the arrow.
Drop down
Esc
Collapse the drop down list. If the drop down is already closed, do nothing.
Select
Tab In
Set focus to the Select. If hints, title or messages exist in a notewindow,
pop up the notewindow.