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Re: Vibrating phone on invalid input entry

for

From: Patrick H. Lauke
Date: Oct 6, 2016 5:18AM

Arguably - if there's no programmatic indication that there are errors,
this would also fail 4.1.2.

I wouldn't say this is "mobile" specific. While it is true that a
vibration motor (for physical vibration) is currently only common on
phones/tablets, there is no reason to believe this will remain that way
(e.g. Macbooks with new-style trackpad already use "taptic feedback" -
read: some form of solenoid/motor - to physically convey a "click"). And
of course, if we're talking about a purely visual/animation "shake",
this will be problematic for desktop and mobile users alike.

In short, I believe this scenario is already covered sufficiently in
WCAG 2.0 (though admittedly it may require some subtle interpretation of
the current failures like 4.1.2).

P
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Patrick H. Lauke

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