Limited availability
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
Note: This feature is available in Web Workers.
The claimInterface() method of the USBDevice interface returns a promise that resolves when the requested interface is claimed for exclusive access.
claimInterface(interfaceNumber)
interfaceNumber
The index of one of the interfaces supported by the device. Interfaces are device specific.
A promise.
The following example shows claimInterface() in the context of connecting to a USB device.
async function connectDevice(usbDevice) {
await usbDevice.open();
if (usbDevice.configuration === null) await usbDevice.selectConfiguration(1);
await usbDevice.claimInterface(0);
}
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