   > move pointer over #inner
mouseover target.id=(inner) currentTarget.id=(inner), relatedTarget.id=(body)
mouseover target.id=(inner) currentTarget.id=(outer), relatedTarget.id=(body)
mouseenter target.id=(inner) currentTarget.id=(inner), relatedTarget.id=(body)
mouseenter target.id=(outer) currentTarget.id=(outer), relatedTarget.id=(body)
> move pointer over #outer
mouseout target.id=(inner) currentTarget.id=(inner), relatedTarget.id=(outer)
mouseout target.id=(inner) currentTarget.id=(outer), relatedTarget.id=(outer)
mouseleave target.id=(inner) currentTarget.id=(inner), relatedTarget.id=(outer)
mouseover target.id=(outer) currentTarget.id=(outer), relatedTarget.id=(inner)
> click #outer
click target.id=(outer) currentTarget.id=(outer), button=0
> auxclick #outer
auxclick target.id=(outer) currentTarget.id=(outer), button=1
> click document.body
mouseout target.id=(outer) currentTarget.id=(outer), relatedTarget.id=(body)
mouseleave target.id=(outer) currentTarget.id=(outer), relatedTarget.id=(body)
