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web api instance property

MIDIMessageEvent: data property

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Secure context

The data read-only property of the MIDIMessageEvent interface returns the MIDI data bytes of a single MIDI message.

Value

A Uint8Array.

Examples

In the following example midimessage events are listened for on all input ports. When a message is received the value of data is printed to the console.

inputs.forEach((input) => {
  input.onmidimessage = (message) => {
    console.log(message.data);
  };
});

Specifications

SpecificationsStandards references are available on the canonical MDN page.

Browser compatibility

Browser compatibilityCompatibility data is available on the canonical MDN page.