HID

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

Note: This feature is available in Web Workers, except for Shared Web Workers.

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

EventTarget HID

Instance properties

This interface also inherits properties of its parent, EventTarget.

Instance methods

This interface also inherits methods of its parent, EventTarget.

getDevices()

Returns a Promise that resolves with an array of connected HID devices that the user has previously been granted access to in response to a requestDevice() call.

requestDevice()

Returns a Promise that resolves with an array of connected 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

connect

Fired when an HID device is connected.

disconnect

Fired when an HID device is disconnected.

Specifications

Specification
WebHID API
# dom-hid

Browser compatibility

See also