MIDIPort: connection property
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
The connection
property of the MIDIPort
interface returns the connection state of the port.
Value
Returns a string containing the connection state of the port, one of:
"open"
-
The device that this
MIDIPort
represents has been opened and is available. "closed"
-
The device that this
MIDIPort
represents has not been opened, or has been closed. "pending"
-
The device that this
MIDIPort
represents has been opened but has subsequently disconnected .
Examples
The following example loops through all input ports and prints the connection status of each to the console.
js
for (const entry of midiAccess.inputs) {
const input = entry[1];
console.log(input.connection);
}
Specifications
Specification |
---|
Web MIDI API # dom-midiport-connection |
Browser compatibility
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