Read the plot-area bounds (CSS px, root-relative) used to clip highlights. Tries globalBounds(), then toGlobal() + width()/height(); returns null if neither is available (the overlay's overflow:hidden still clips to the chart box).
globalBounds()
toGlobal()
width()/height()
null
overflow:hidden
Read the plot-area bounds (CSS px, root-relative) used to clip highlights. Tries
globalBounds(), thentoGlobal()+width()/height(); returnsnullif neither is available (the overlay'soverflow:hiddenstill clips to the chart box).