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USB - Web APIs | MDN
USB
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
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.
Instance properties
None.
Instance methods
USB.getDevices()Experimental-
Returns a
Promisethat resolves with an array ofUSBDeviceobjects for paired attached devices. USB.requestDevice()Experimental-
Returns a
Promisethat resolves with an instance ofUSBDeviceif the specified device is found. Calling this function triggers the user agent's pairing flow.
Events
connectExperimental-
Fired whenever a previously paired device is connected.
disconnectExperimental-
Fired whenever a paired device is disconnected.
Specifications
| Specification |
|---|
| WebUSB API # usb |