It is possible—indeed, in some senses, it is the point of this test page—that IE/Win may crash or act in peculiar ways on this page.
The following problems are known in IE/Win:
document.all.tagsvia scripting in IE/Win will return an object corresponding to the ID'ed element. This could cause severe problems for scripts that rely on
document.all.tagsmethod that usually exists.
JS test-- fails if the result is '[object]'.