quickViewControl.getVisible (Client API reference)
Returns a value that indicates whether the quick view control is currently visible.
Note
If the containing section or tab for this control isn't visible, this method can still return true. To make certain that the control is actually visible; you need to also check the visibility of the containing elements.
Syntax
quickViewControl.getVisible();
Return Value
Type: Boolean.
Description: true if the control is visible; false otherwise.