HID

{{securecontext_header}}{{APIRef("WebHID API")}}{{SeeCompatTable}}{{AvailableInWorkers("window_and_worker_except_shared")}}

The HID interface provides methods for connecting to HID devices, listing attached HID devices and event handlers for connected HID devices.

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Instance properties

This interface also inherits properties of its parent, {{domxref("EventTarget")}}.

Instance methods

This interface also inherits methods of its parent, {{domxref("EventTarget")}}.

• {{domxref("HID.getDevices","getDevices()")}} {{Experimental_Inline}}
  • : Returns a {{jsxref("Promise")}} that resolves with an array of connected HID devices that the user has previously been granted access to in response to a {{domxref("HID.requestDevice","requestDevice()")}} call.
• {{domxref("HID.requestDevice","requestDevice()")}} {{Experimental_Inline}}
  • : Returns a {{jsxref("Promise")}} that resolves with an array of connected {{domxref("HIDDevice")}} objects. Calling this function will trigger the user agent's permission flow in order to gain permission to access one selected device from the returned list of devices.

Events

• {{domxref("HID.connect_event", "connect")}} {{Experimental_Inline}}
  • : Fired when an HID device is connected.
• {{domxref("HID.disconnect_event", "disconnect")}} {{Experimental_Inline}}
  • : Fired when an HID device is disconnected.

Specifications

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Browser compatibility

{{Compat}}

See also

• WebHID API