Tag
shadow-dom
- Sep 24, 2026 Focus Across Shadow Roots and Frame Boundaries Where document.activeElement points when focus enters a shadow tree or an embedded document, what delegatesFocus changes, and why a custom element that contains a field is not a tab stop by default. accessibility
- Sep 27, 2025 Shadow DOM Boundaries and Event Retargeting Events leaving a shadow tree carry a different target for each listener on the path, and the composed flag decides whether the path crosses the boundary at all. web platform
- Apr 2, 2025 Template Contents, Slots, and Declarative Shadow DOM A template owns a document fragment that never enters the page, slots decide which light-DOM children render where, and a shadowrootmode attribute can attach a shadow root during parsing. web platform