Function ui_screen

ui_screen(request: string): string | number
Determines aspects of the Browser runtime window.
Parameters
- request: string
  The aspect of the screen to query.
Returns string | number
The value associated with the request.
Example
```
// Determine the device pixel ratio. This only works in a browser
// runtime
const pixel_ratio = ui_screen(SCREEN_REQUEST.DevicePixelRatio);
```