Announcements for Accessibility (aria-live)
Use aria-live regions to announce changes without stealing focus. Pick polite vs assertive, set aria-atomic, and centralize announcements.
Announcements for Accessibility (aria-live) is a free React Academy lesson on CoddyKit — lesson 3 of 3. You can read the complete lesson below for free — then practise it hands-on in the browser with a built-in code editor and a 24/7 AI tutor. It is part of the React Academy learning path, one of 3 lessons in the course, and your progress syncs across the web and the CoddyKit app.
Why announcements?
Goal: Announce changes for screen readers without stealing focus.
- aria-live: polite vs assertive
- role="status" / role="alert"
- aria-atomic for complete messages
Polite vs assertive
- Polite: announce soon; do not interrupt
- Assertive: urgent; may interrupt
- Atomic: read whole node when it changes
- Prefer status for success info; alert for errors
Demo: polite status region
A status region announces text updates without moving focus.
<div id="root"></div>Demo: useAnnounce hook (polite)
Centralize announcements with a tiny Announcer context and hook.
<div id="root"></div>Demo: assertive error alert
Use assertive (or role="alert") sparingly for errors that need attention now.
<div id="root"></div>Tips & checklist
- Prefer polite (role=status) for success/info
- Use alert/assertive for urgent errors
- Set aria-atomic="true" for full messages
- Do not move focus unless needed
Announcement basics check
Recap
Recap: Add a central aria-live region (polite) for routine updates; use assertive/alert for urgent errors. Keep messages atomic and avoid stealing focus.
Frequently asked questions
Is the “Announcements for Accessibility (aria-live)” lesson free?
Yes — the full text of “Announcements for Accessibility (aria-live)” is free to read here on the web, and the React Academy course includes 3 lessons in total. To practise it interactively (a built-in code editor and a 24/7 AI tutor) and unlock the rest of the React Academy course, upgrade to CoddyKit PRO.
What will I learn in “Announcements for Accessibility (aria-live)”?
Use aria-live regions to announce changes without stealing focus. Pick polite vs assertive, set aria-atomic, and centralize announcements. You practise React Academy with hands-on code you run directly in the browser, and a 24/7 AI tutor answers your questions as you work through the lesson.
Do I need any experience to start React Academy?
No prior experience is required. React Academy on CoddyKit is structured for beginners through advanced learners; this is — lesson 3 of 3, so you can start here or from the beginning and move at your own pace.
How long does the “Announcements for Accessibility (aria-live)” lesson take?
Most CoddyKit lessons take about 5–10 minutes. Each one is bite-sized and interactive, so you make steady progress and pick up exactly where you left off across the web and the app.
Can I write and run code in this React Academy lesson?
Yes. Every React Academy lesson includes a built-in code editor, so you write and run real code right in your browser and get instant AI feedback — no local setup required.
All lessons in this course
- Portals, Focus Trap, Escape-to-Close
- Global Overlay Manager (Context + Reducer)
- Announcements for Accessibility (aria-live)