This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The MIDIConnectionEvent interface of the Web MIDI API is the event passed to the onstatechange event of the MIDIAccess interface and the onstatechange event of the MIDIPorts interface. This occurs any time a new port becomes available, or when a previously available port becomes unavailable. For example, this event is fired whenever a MIDI device is either plugged in to or unplugged from a computer.
Constructor
MIDIConnectionEvent.MIDIConnectionEvent- Creates a new
MIDIConnectionEventobject.
Properties
MIDIConnectionEvent.port- Returns a reference to a
MIDIPortinstance for a port that has been connected or disconnected."
Examples
Specifications
| Specification | Status | Comment |
|---|---|---|
| Web MIDI API | Working Draft | Initial definition. |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MIDIConnectionEvent | Chrome Full support 43 | Edge ? | Firefox ? | IE No support No | Opera Full support 30 | Safari ? | WebView Android Full support 43 | Chrome Android Full support 43 | Firefox Android ? | Opera Android Full support 30 | Safari iOS ? | Samsung Internet Android Full support 4.0 |
MIDIConnectionEvent() constructor | Chrome Full support 43 | Edge ? | Firefox ? | IE No support No | Opera Full support 30 | Safari ? | WebView Android Full support 43 | Chrome Android Full support 43 | Firefox Android ? | Opera Android Full support 30 | Safari iOS ? | Samsung Internet Android Full support 4.0 |
port | Chrome Full support 43 | Edge ? | Firefox ? | IE No support No | Opera Full support 30 | Safari ? | WebView Android Full support 43 | Chrome Android Full support 43 | Firefox Android ? | Opera Android Full support 30 | Safari iOS ? | Samsung Internet Android Full support 4.0 |
Legend
- Full support
- Full support
- No support
- No support
- Compatibility unknown
- Compatibility unknown
- Experimental. Expect behavior to change in the future.
- Experimental. Expect behavior to change in the future.
- Non-standard. Expect poor cross-browser support.
- Non-standard. Expect poor cross-browser support.