MIDIConnectionEvent - Web APIs 编辑

Experimental

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 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."

Examples

Specifications

Browser compatibility

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