MIDIMessageEvent: data property
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
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.
js
inputs.forEach((input) => {
input.onmidimessage = (message) => {
console.log(message.data);
};
});
Specifications
| Specification |
|---|
| Web MIDI API # dom-midimessageevent-data |
Browser compatibility
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Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
- No support
- No support
- See implementation notes.