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.
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.
A Uint8Array
.
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); }; });
Specification |
---|
Web MIDI API # dom-midimessageevent-data |
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
data |
43 | 79 | 108 | No | 30 | No | No | 43 | No | 30 | No | 4.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/MIDIMessageEvent/data