How to make the two different scrolling div elements to match and get in script?

Question

hi, 

I am developing a windows app and I finished 75% of work in it .

In the app a section contains two div elements scrolling vertically. when I scroll the divs it should match with the element in the other div and produce a result. 

I tried to make scrolling div elements to match but failed..

I put a screenshot of my app and you will understand it 

In the above screen first green box is one scrolling div  and the other red one is one another. At the center comes near "+" the elements in div match and produce a result in the next rose box

Please guide me to finish the app by providing a solution to match the elements in different div

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N.P.SARAVANA KUMAR

Answer 1

You would have to do the math yourself.  You would need to determine when the scroll position is such that the element is near the center of the div and then you could calculate the answer.  This should be relatively easy as long as all the elements scrolling in the div are the same height.

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Jeff Sanders (MSFT)

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