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Re: Must all form fields be active to be perceivable?

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From: Lovely, Brian (CONT)
Date: May 12, 2017 6:45AM

The important thing is that the added/activated form fields be after the triggering field in code order. In other words, if you split a form into A, B, and C sections (with A being first in code order, and C last), and some choice in the B section activates a field in the C section, then that's fine because the screen reader user hasn't navigated to the C section yet, and they will discover the newly activated inputs when they do. However, if some choice in the B section activates a field in the A section, the assumption is that the screen reader user has already been through the A section and has no idea that it has now changed.