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Trapping focus in an alert

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From: Lovely, Brian
Date: Apr 5, 2018 11:37AM

We have an alert that tells the user they have so many minutes remaining in their session. The alert also contains two buttons, one to continue and one to sign out. The container has a role of alert, and focus is shifted to the container when the alert is displayed. My question is whether or not to trap focus in the alert so the user cannot navigate away until they have activated one of the buttons.

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