layer.screenFrame < object>

Allows you to set or capture the absolute position of this layer on the screen, ignoring the inherited position from its parents.
译：允许您在屏幕上设置或捕捉该图层的绝对位置，忽略其父母的继承位置。

layerA = new Layer
    x: 100

layerB = new Layer
    parent: layerA
    x: 100

print layerB.screenFrame
# Output: { x: 200, y: 0, width: 100, height: 100 } 

layerB.screenFrame =
    x: 400
    y: 0
    width: 100
    height: 100

print layerB.x
# Output: 300