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Invoker Commands API

The Invoker Commands API is a new web standard allowing buttons to declaratively control interactive elements like popovers and dialogs without JavaScript, using commandfor and command HTML attributes. This feature became widely available in December 2025 across modern browsers.

web-api html browser-feature declarative-programming ui-controls button-api popover dialog event-handling
developer.mozilla.org · maqnius· 27 days ago · 3 min · documentation · details · hn 98