Web developers can specify node-to-slot assignments imperatively in Shadow DOM slotting. Please see the spec discussion [1] and the explainer [2]. - [1] https://github.com/whatwg/html/issues/3534 - [2] https://github.com/w3c/webcomponents/blob/gh-pages/proposals/Imperative-Shadow-DOM-Distribution-API.md


Allow node-to-slot assignments without needing to add slot attribute in markup. And enabled dynamic slotting behavior based on input conditions.



Working draft or equivalent

Status in Chromium


Enabled by default (tracking bug) in:

  • Chrome for desktop release 86
  • Chrome for Android release 86
  • Android WebView release 86

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.


Intent to Prototype url

Intent to Prototype thread

Last updated on 2020-11-12