getBoundingClientRect method
The Range.getBoundingClientRect()
method returns a DOMRect object
that bounds the contents of the range; this is a rectangle
enclosing the union of the bounding rectangles for all the elements in the
range.
This method is useful for determining the viewport coordinates of the cursor or selection inside a text box. See Element.getBoundingClientRect for details on the returned value.
Implementation
external DOMRect getBoundingClientRect();