HIDInputReportEvent: reportId property

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.

The reportId property of the HIDInputReportEvent interface returns the one-byte identification prefix for this report, or 0 if the HID interface does not use report IDs.

Value

A one-byte identification prefix.

Examples

In the following example the reportId of an incoming input report is logged to the console.

js

device.addEventListener("inputreport", (event) => {
  const { data, device, reportId } = event;
  console.log(reportId);
});

Specifications

Specification
WebHID API
# dom-hidinputreportevent-reportid

Browser compatibility

BCD tables only load in the browser