It only follows that elements with scrollbars in positions other than the top would have a scrollTop of > 0. If you have an element without scrollbars then one would expect that their scrollTop position IS 0 as they have nowhere to scroll to.

I'm not exactly sure what the problem is.

EDIT: Just in case that it is not explained properly in the jQuery docs:

scrollTop() => position of scrollbar for element (window/div/anything scrollable)

$("#element").offset().top => position of element relative to page

$("#element").offset().top - $(window).scrollTop() => position of element relative to scrolled area.

jquery scrolling

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