MIDIPort.state

Secure context

This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

The state read-only property of the MIDIPort interface returns the state of the port.

Syntax

let state = MIDIPort.state;

Value

A string containing the state of the port, one of:

"disconnected"
The device that this MIDIPort represents is disconnected from the system.
"connected"
The device that this MIDIPort represents is currently connected.

Examples

The following example loops through all input ports and prints the state of each to the console.

for (let entry of midiAccess.inputs) {
  let input = entry[1];
  console.log(input.state);
}

Specifications

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Browser compatibility

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