MIDIMessageEvent.MIDIMessageEvent()

The MIDIMessageEvent() constructor creates a new MIDIMessageEvent object. Typically this constructor is not used as events are created when a MIDIInput finishes receiving one or more MIDI messages.

type

Will always be 'MIDIMessageEvent'.

MIDIMessageEventInitOptional

A dictionary including the following fields:

port

The MIDIPort instance representing the port that has connected or disconnected.

bubbles Optional

A boolean value indicating whether the event bubbles. The default is false.

cancelable Optional

A boolean value indicating whether the event can be cancelled. The default is false.

composed Optional

A boolean value indicating whether the event will trigger listeners outside of a shadow root (see Event.composed for details). The default is false.