MIDIInput

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The MIDIInput interface of the Web MIDI API receives messages from a MIDI input port.

Properties

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

Event handlers

MIDIInput.onmidimessage

When the current port receives a MIDI message it triggers a call to this event handler.

Methods

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

Examples

In the following example the name of each MIDIInput is printed to the console. Then, onmidimessage events are listened for on all input ports. When a message is received the MIDIMessageEvent.data property is printed to the console.

inputs.forEach((input) => {
  console.log(input.name); /* inherited property from MIDIPort */
  input.onmidimessage = function(message) {
    console.log(message.data);
  }
})

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
MIDIInput
43
79
No
No
30
No
43
43
No
30
No
4.0
midimessage_event
43
≤79
No
No
30
No
No
43
No
30
No
4.0
onmidimessage
43
79
No
No
30
No
43
43
No
30
No
4.0

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