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

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

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

addChild(child) → {DisplayObject}

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

checkVisibility() Starts a page visibility event listener running, or window.onpagehide/onpageshow if not supported by the browser.

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

smoothed : boolean Enable or disable texture smoothing for all objects on this Stage. Only works for bitmap/image textures. Smoothing

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

postUpdate() This is called automatically before the renderer runs and after the plugins have updated.In postUpdate this is where