The second useful function relates to the
Tab key, which attempts to complete whatever command you're typing.
Write part of a sentence, the Google AI pops up a suggestion for the rest, based on the syntax of millions of users, and you only need to hit the
tab key to accept it.
Mr Abeywardena says he developed this app so that even the blind can get the information they need about restaurants by pressing the
tab key; as the
tab key moves from restaurant to restaurant, the screen readers read out the contents in English to the blind user, without keeping the user at a disadvantage due to his or her visual disability.
For example, "I haven't seen you" might be autocompleted to "I haven't seen you in a while and I hope you're doing well." You can accept the completion by hitting the
tab key.
(To see a focus ring, press the
TAB key on nytimes.com; it moves a box from link to link.) However, focus rings can also distract sighted readers; Fisher notes that readers often report them as bugs in the design.
This feature allows to expand the UPDATE statement to a full code template on pressing the
Tab key.
Many authors still use the space bar instead of the
tab key and tend to centralise titles and headings with the space bar.
If you turn on Full Keyboard Access in System Preferences (under Keyboard), note that you can now switch through the previous, play/pause, next, AirPlay, and other buttons with the
tab key. In our experience, that occasionally meant that we accidentally ended up restarting a track when we tried to use the spacebar to pause, because that button had become tab-selected.
tab key - the key on a typewriter or a word processor that causes a tabulation