start
middle
middle sub (next block without any target link), middle active class has gone by defaults, set option `fixed` to false to stay active.
end
A jQuery scrollspy plugin to highlight active menu items in the navigation based on the scroll position of the corresponding content within a container or the whole document.
start
middle
middle sub (next block without any target link), middle active class has gone by defaults, set option `fixed` to false to stay active.
end