Scrolling inside the unit fullpage.js?

Good day!
Using a library fullpage.js to scroll inside the unit asking scrolloverflow: true.
How to track how block "prokralis"?
Found the solution on stack -
But it does not work for the method "scroll", for methods "scrollStart", "scrollEnd" and so on works, but I need at the moment to know scroll offset from the top of the unit.
June 8th 19 at 16:59
1 answer
June 8th 19 at 17:01
don't know what is fullpage.js. but there is a solution tyk

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