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Old 02-24-2015, 11:48 PM   #11
kovidgoyal
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Posts: 45,639
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Join Date: Oct 2006
Location: Mumbai, India
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Here is a simple way to test if an element is on the current screen

var br = elem.getBoundingClientRect()

var on_current_page = br.left + 20 > window.pageXOffset && br.right - 20 < window.pageXOffset + window.innerWidth
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