PerformanceWatchdog

Monitors performance of the application and displays a message if poor performance is detected.

Name Type Description

options

Object

optional Object with the following properties:

Name	Type	Default	Description
`container`	Element \| String		The DOM element or ID that will contain the widget.
`scene`	Scene		The `Scene` for which to monitor performance.
`lowFrameRateMessage`	String	`'This application appears to be performing poorly on your system. Please try using a different web browser or updating your video drivers.'`	optional The message to display when a low frame rate is detected. The message is interpeted as HTML, so make sure it comes from a trusted source so that your application is not vulnerable to cross-site scripting attacks.

container :Element

Gets the parent container.

Gets the view model.

destroy()

Destroys the widget. Should be called if permanently removing the widget from layout.

isDestroyed() → Boolean

true if the object has been destroyed, false otherwise.