In a div that has overflow:scroll, how do I check what position the scroll is at?

Using JQuery.

How do I know if it's scr开发者_如何学Goolled to the middle? Top? Bottom?

You can use the element's scrollLeft, scrollTop, scrollWidth and scrollHeight properties to find out the status of the element's scrolling.

jQuery will allow you to get scrollTop property like an attribute...

$('element').attr('scrollTop');

scrollTop gets or sets the number of pixels that the content of an element is scrolled upward

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