ui.Slider.onChange

Registers a callback that's fired when the slider's state changes. If the change is due to the user dragging the slider, the event will not fire until the drag completes.

Returns an ID which can be passed to unlisten() to unregister the callback.

Usage	Returns
Slider.onChange(callback)	String

Argument	Type	Details
this: ui.slider	ui.Slider	The ui.Slider instance.
callback	Function	The callback to fire when the slider's state changes. The callback is passed the slider's current value and the slider widget.