Getting Started With The Popover API

2026-03-02

6 min read

by hello@smashingmagazine.com (Godstime Aburu)

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The article explores rebuilding a tooltip using the browser's native Popover API, replacing complex JavaScript implementations with declarative HTML.

•The Popover API connects triggers to popover elements via the `popovertarget` attribute, requiring zero JavaScript for basic open/close behavior
•Escape key dismissal works natively without adding custom keydown event listeners
•`aria-expanded` automatically syncs when the popover opens/closes, eliminating manual ARIA state management
•Invoker commands (`popovertargetaction`) support show/hide/toggle actions, enabling multiple triggers for a single tooltip
•Migration removed entire categories of accessibility bugs including unreliable screen reader announcements and inconsistent keyboard navigation

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