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USBDevice.claimInterface()

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The claimInterface() method of the USBDevice interface returns a promise that resolves when the requested interface is claimed for exclusive access.

Syntax

claimInterface(interfaceNumber)

Parameters

interfaceNumber

The index of one of the interfaces supported by the device. Interfaces are device-specific.

Return value

A promise.

Examples

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);
}

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
claimInterface
61
79
No
No
48
No
No
61
No
45
No
8.0

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/USBDevice/claimInterface