How To: Toast & Snackbar Notifications

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Build lightweight, stacking toast notifications with auto-dismiss timers, progress bars, and accessibility announcements.

Dynamic Toast Queue Engine

A toast notification system should allow any part of your application to display temporary alert messages without interrupting user workflow.

Toast Notification Generator Function

Try It Yourself »

function showToast(message, type = 'info', duration = 3000) {
  const container = document.getElementById('toast-container') || createToastContainer();

  const toast = document.createElement('div');
  toast.className = `toast toast-${type}`;
  toast.setAttribute('role', 'status');
  toast.innerText = message;

  container.appendChild(toast);

  // Auto-remove after duration
  setTimeout(() => {
    toast.classList.add('fade-out');
    toast.addEventListener('transitionend', () => toast.remove());
  }, duration);
}

function createToastContainer() {
  const c = document.createElement('div');
  c.id = 'toast-container';
  c.style.cssText = 'position:fixed;bottom:20px;right:20px;display:flex;flex-direction:column;gap:8px;z-index:9999;';
  document.body.appendChild(c);
  return c;
}

Google AdSense Slot (inContentBanner)

Set your Publisher ID in src/config/ads.ts to display live ads.

Test Yourself With Exercise

+15 XP

Which ARIA role or attribute announces toast messages to screen readers without stealing user focus?

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