Window: screen property
目录
The Window property screen returns a
reference to the screen object associated with the window. The screen
object, implementing the Screen interface, is a special object for
inspecting properties of the screen on which the current window is being rendered.
Value
A Screen object.
Examples
if (screen.pixelDepth < 8) {
// use low-color version of page
} else {
// use regular, colorful page
}