USB
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.
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.
Properties
None.
Methods
USB.getDevices()-
Returns a
Promisethat resolves with an array ofUSBDeviceobjects for paired attached devices. USB.requestDevice()-
Returns a
Promisethat resolves with an instance ofUSBDeviceif the specified device is found. Calling this function triggers the user agent's pairing flow.
Events
connect-
Fired whenever a previously paired device is connected.
disconnect-
Fired whenever a paired device is disconnected.
Specifications
| Specification |
|---|
| WebUSB API # usb |
Browser compatibility
BCD tables only load in the browser