Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The x
read-only property of the Accelerometer
interface returns a double precision integer containing the acceleration of the device along its x axis.
If a feature policy blocks use of a feature it is because your code is inconsistent with the policies set on your server. This is not something that would ever be shown to a user. The Feature-Policy
HTTP header article contains implementation instructions.