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how to retrieve value of "top" on an element

Brad Bansner
Brad Bansner asked
Last Modified: 2012-05-11
I'm moving the element displayscreens around and need to know if it exceeds a certain amount (see code attached). So I'm trying to read the value of "top" like this:

if ($('#displayscreens').attr('top')==2484)

But it isn't working. So I added an alert:


That keeps telling me "undefined". How can I figure the "top" value so I know how far the user has moved #displayscreens? Thank you!
	if ($('#displayscreens').attr('top')==2484) {
	} else {
		$('#displayscreens').animate({top: '+=414px'}, 1000);

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