On Mon, May 10, 2010 at 9:10 PM, Perry Smith <pedz...@gmail.com> wrote: > I see places that explicitly state that the same object is returned on some > operations. For example, the element.style has that clause. > > I have not found in either html5 or the DOM documentation that is referenced > an explicit statement to this effect for getElementById.
if someone changes the id value on the node you used to think about and assigns it to another node then it most certainly will not return the same node.