removeChildren(beginIndex, endIndex) Removes all children from this container that are within the begin and end indexes.

height : number The height of the displayObjectContainer, setting this will actually modify the scale to achieve the value set

getChildIndex(child) → {Number} Returns the index position of a child DisplayObject instance

addChild(child) → {DisplayObject}

contains(child) → {Boolean} Determines whether the specified display object is a child of the D

setBackgroundColor(color) Sets the background color for the Stage. The color can be given as a hex string ('#RRGGBB')

backgroundColor : number | string Gets and sets the background color of the stage. The color can be given as a number: 0xff0000

new Stage(game) The Stage controls root level display objects upon which everything is displayed.It also handles browser visibility

visibilityChange(event) This method is called when the document visibility is changed. Parameters

preUpdate() This is called automatically after the plugins preUpdate and before the State.update.Most objects have preUpdate methods