index.md

title	short-title	slug	page-type	status	browser-compat
USBDevice: configuration property	configuration	Web/API/USBDevice/configuration	web-api-instance-property	experimental	api.USBDevice.configuration

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The configuration read only property of the {{domxref("USBDevice")}} interface returns a {{domxref("USBConfiguration")}} object for the currently selected interface for a paired USB device.

Value

A {{domxref("USBConfiguration")}} object.

Examples

The following example uses this property to test for the existence of a USBConfiguration property to select a configuration before claiming an interface.

async function connectDevice(usbDevice) {
  await usbDevice.open();
  if (usbDevice.configuration === null) await usbDevice.selectConfiguration(1);
  await usbDevice.claimInterface(0);
}

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}