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I need to grab the height of the window and the scrolling offset in jQuery, but I haven't had any luck finding this in the jQuery docs or Google.
I'm 90% certain there's a way to access height and scrollTop for an element (presumably including the window), but I just can't find the specific reference.
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Basically, $(window). height() give you the maximum height inside of the browser window (viewport), and $(document). height() gives you the height of the document inside of the browser. Most of the time, they will be exactly the same, even with scrollbars.
To get the height of the scroll bar the offsetHeight of div is subtracted from the clientHeight of div. OffsetHeight = Height of an element + Scrollbar Height. ClientHeight = Height of an element. Height of scrollbar = offsetHeight – clientHeight.
To get or set the scroll position of an element, you follow these steps: First, select the element using the selecting methods such as querySelector() . Second, access the scroll position of the element via the scrollLeft and scrollTop properties.
From jQuery Docs:
const height = $(window).height(); const scrollTop = $(window).scrollTop(); http://api.jquery.com/scrollTop/
http://api.jquery.com/height/
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