I want to place an element to the bottom of the page whenever the user scrolls the page. It's like "fixed position" but I can't use "position: fixed" css as many of my clients' browser can't support that.
I noticed jquery can get current viewport's top position, but how can I get the bottom of the scroll viewport?
So I am asking how to know: $(window).scrollBottom()
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var scrollBottom = $(window).scrollTop() + $(window).height();