web api interface

USB

Limited availabilitySecure contextAvailable in workers

The USB interface of the WebUSB API provides attributes and methods for finding and connecting USB devices from a web page.

Use usb to get access to the USB object.

The USB interface inherits from EventTarget.

Instance properties

None.

getDevices() Experimental
- : Returns a Promise that resolves with an array of USBDevice objects for paired attached devices.
requestDevice() Experimental
- : Returns a Promise that resolves with an instance of USBDevice if the specified device is found. Calling this function triggers the user agent’s pairing flow.

connect Experimental
- : Fired whenever a previously paired device is connected.
disconnect Experimental
- : Fired whenever a paired device is disconnected.

SpecificationsStandards references are available on the canonical MDN page.

Browser compatibilityCompatibility data is available on the canonical MDN page.