Let's Make a DOS BBS in a offensively modern way

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I'm working on a javascript application with a developer. The client now displays text with a text box as it comes in from the terminal, but I'd like it to be spoken by screen reader once new text arrives. Is this possible with an aria live region or is there a better way? Thought of keeping the text box for review purposes and live regioning and hiding, using aria, for sr output. I have no idea what i'm doing here but ev is super happy to help. #Accessibleweb #BBS #ftelnet