Calculates the approximate size of a single physical device pixel in millimeters.
This calculation is based on the standard CSS definition of a reference pixel
(1/96th of an inch) and the current devicePixelRatio of the window.
It reflects the effective size of the smallest addressable pixel by the browser,
considering screen density and browser/OS zoom levels.
getPhysicalDevicePixelSizeInMm():number
Returns number
The approximate size of a physical pixel in millimeters.
Returns NaN if window or window.devicePixelRatio is not available (e.g., in a Node.js environment).
Calculates the approximate size of a single physical device pixel in millimeters.
This calculation is based on the standard CSS definition of a reference pixel (1/96th of an inch) and the current devicePixelRatio of the window.
It reflects the effective size of the smallest addressable pixel by the browser, considering screen density and browser/OS zoom levels.