Web/API/MIDIConnectionEvent

This is an experimental technologyCheck 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 handler 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 MIDIConnectionEvent object.

Properties

MIDIConnectionEvent.port

Returns a reference to a MIDIPort instance for a port that has been connected or disconnected."

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
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
MIDIConnectionEvent	Chrome Full support 43	Edge Full support ≤79	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 Experimental'	Chrome Full support 43	Edge Full support ≤79	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 Experimental'Non-standard'	Chrome Full support 43	Edge Full support ≤79	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.

MIDIConnectionEvent by Mozilla Contributors is licensed under CC-BY-SA 2.5.