MIDIOutput
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 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.
Instance properties
This interface doesn't implement any specific properties, but inherits properties from MIDIPort.
Instance 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.
js
function sendMiddleC(midiAccess, portID) {
const noteOnMessage = [0x90, 60, 0x7f]; // note on, middle C, full velocity
const output = midiAccess.outputs.get(portID);
output.send(noteOnMessage); // sends the message.
}
Specifications
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| Web MIDI API # MIDIOutput |
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MIDIOutput
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clear
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send
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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.