Describing aria-describedby – TPGi

Describing aria-describedby

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A well-designed user interface (UI) should clearly identify important content and controls. Often people correlate this to using prominent visual cues to help guide individuals through a task or point them to necessary information. However, what may be visually apparent to some could be misunderstood or completely passed over by others.

If someone uses assistive technology to navigate an interface, understanding important cues or components could prove to be a different task than looking around the screen for prominent visual indicators. For starters, some people use a screen magnifier to assist with seeing a screen. When magnified, only portions of the entire screen will be visible at once, leaving dynamically revealed descriptions potentially out of sight.

There are also those who cannot see at all. For these people, context provided by visually-dependent associations and dynamically revealed content could be skipped, or misunderstood [...]

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