Use this property to determine the index of a certain JavaFX object in a collection of the parent window's child objects that have the same class name.
|TestObj||A variable, parameter or expression that specifies a reference to one of the objects listed in the Applies To section|
All JavaFX application objects.
To view this property in the Object Browser panel and in other panels and dialogs, activate the Advanced view mode.
An integer value that specifies the JavaFX application object’s index.
The property is used for addressing objects. See Addressing Objects in JavaFX Applications for more information.