MIDIOutput

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The MIDIOutput interface of the Web MIDI API provides methods to add messages to the queue of an output device, and to clear the queue of messages.

Properties

This interface doesn't implement any specific properties, but inherits properties from MIDIPort.

Methods

This interface also inherits methods from MIDIPort.

MIDIoutput.send()

Queues a message to be sent to the MIDI port.

MIDIOutput.clear()

Clears any pending send data from the queue.

Examples

The following example sends a middle C immediately on MIDI channel 1.

function sendMiddleC( midiAccess, portID ) {
  var noteOnMessage = [0x90, 60, 0x7f];    // note on, middle C, full velocity
  var output = midiAccess.outputs.get(portID);
  output.send(noteOnMessage); // sends the message.
}

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
MIDIOutput
43
79
No
No
30
No
No
43
No
30
No
4.0
clear
No
No
No
No
No
No
No
No
No
No
No
No
send
43
79
No
No
30
No
No
43
No
30
No
4.0

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https://developer.mozilla.org/en-US/docs/Web/API/MIDIOutput