spec checked

Popover API Explainer

Frames popovers as top-layer, ephemeral UI that closes when users move on, including click-away and Escape dismissal and one-at-a-time behavior.

Open source

Pattern Decisions This Source Supports

Pattern Supported decision Required contract Claim note
Popover Choose popover when a local trigger needs a compact contextual layer with short copy, a few actions, or light controls that belong to that exact anchor. The trigger name and visible placement make clear which object or field the popover belongs to. Supports popover as an ephemeral top-layer surface that closes when users move on.

Evidence Role

This source is treated as spec evidence. Use it to validate the decision rules above, not as a visual style reference.

Publisher: Open UI. Last checked: .