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 USB interface of the WebUSB API provides attributes and methods for finding and connecting USB devices from a web page.
Use navigator.usb to get access to the USB object.
The USB interface inherits from EventTarget.
None.
Instance methodsUSB.getDevices() Experimental
Returns a Promise that resolves with an array of USBDevice objects for paired attached devices.
USB.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.
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