Invoker commands
The command and commandfor attributes for the <button> HTML element dispatch an action to an element when the button is invoked (by click or keystroke), as a declarative alternative to addEventListener() calls or onclick attribute handlers.
Status
Limited availability
MDN documentation
Specifications
- HTML (#attr-button-command), from HTML Workstream (WHATWG).
Browser support
- Chrome 135 Released on 2025-04-01
- Chrome Android 135 Released on 2025-04-01
- Edge 135 Released on 2025-04-04
- Firefox 144 Released on 2025-10-14
- Firefox for Android 144 Released on 2025-10-14
- Safari ❌ Vendor position : support
- Safari on iOS ❌ Vendor position : support
Baseline availability blocked since October 2025 by Safari (0 months)
Developer signals
- State of HTML 2025: reading_list/reading_list question
- State of HTML 2025: features/all_features question
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