MIDIMessageEvent
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The MIDIMessageEvent
interface of the Web MIDI API represents the event passed to the midimessage
event of the MIDIInput
interface. A midimessage
event is fired every time a MIDI message is sent from a device represented by a MIDIInput
, for example when a MIDI keyboard key is pressed, a knob is tweaked, or a slider is moved.
Constructor
MIDIMessageEvent()
-
Creates a new
MIDIMessageEvent
object instance.
Instance properties
This interface also inherits properties from Event
.
MIDIMessageEvent.data
-
A
Uint8Array
containing the data bytes of a single MIDI message. See the MIDI specification for more information on its form.
Instance methods
This interface doesn't implement any specific methods, but inherits methods from Event
.
Examples
The following example prints all MIDI messages to the console.
js
navigator.requestMIDIAccess().then((midiAccess) => {
Array.from(midiAccess.inputs).forEach((input) => {
input[1].onmidimessage = (msg) => {
console.log(msg);
};
});
});
Specifications
Specification |
---|
Web MIDI API # midimessageevent-interface |
Browser compatibility
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