Good fit for
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- Async actions
This async actions pattern works best when its purpose is clear in the surrounding page hierarchy.
Open experiment
Async Magnetic Action
Uses bounded proximity feedback to reinforce the active target without moving it away from keyboard users for long-running and remote operations; it is designed to keep progress, cancellation, and completion trustworthy. Pointer proximity adjusts decorative depth while keyboard focus uses a stationary halo. The asynchronous actions variant is specialized for network timing and completion are uncertain. Users can keep progress, cancellation, and completion trustworthy while understanding the current state, available choices, and resulting consequence.
Lab tested Responsive Dark mode Interactive
- Version
- 1.0.0
- Updated
- 2026-08-04
- Dependencies
- Zero
Preparing the interactive workbench…
Preparing the interactive workbench…
Implementation field notes
Use async magnetic action confidently.
The preview and source are only the starting point. Use these notes to decide where the component fits, preserve its accessibility contract, and verify the adapted result.
Accessibility contract
- The primary purpose and current state remain available as text and do not depend on color, motion, pointer position, or visual geometry.
- Every interaction has keyboard equivalence, visible focus, predictable Escape behavior where applicable, and appropriately scoped status announcements.
- Reduced-motion, 200% zoom, long-content, narrow-container, and forced-color behavior are part of the implementation acceptance criteria.
Integration plan
- Copy the standalone HTML and scoped CSS into an isolated page.
- Adapt primary signal, secondary signal, panel surface, primary text through the Inspector.
- Connect the defensive JavaScript, then test every control with a keyboard.
- Review the result at 375, 768, 1024, and 1440 pixels before shipping.
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