jquery how to get the page's current screen top position?

Question

If I scroll my mouse wheel to some part of the page, how do I get the page's current top position?

I want click one element in my page, then open a div which top is to current screen top.

So just put the current screen top position to:

$('#content').css('top','current position');

And

#content
{
position:absolute;
left:100px;
}

ShankarSangoli · Accepted Answer · 2011-08-10 23:57:49Z

73

Use this to get the page scroll position.

var screenTop = $(document).scrollTop();

$('#content').css('top', screenTop);

answered Aug 10, 2011 at 23:57

ShankarSangoli

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numbers1311407 · Accepted Answer · 2011-08-10 23:57:37Z

51

var top = $('html').offset().top;

should do it.

edit: this is the negative of $(document).scrollTop()

answered Aug 10, 2011 at 23:57

numbers1311407

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3

This will not give what OP is looking for. It will give the offset top of the html element which will be a negative value if we have scrolled the page.
– ShankarSangoli
Commented Aug 11, 2011 at 0:00
4

As noted in the edit, this is the negative of $(document).scrollTop(), which yes, is more appropriate in this case. But the html offset * -1 is effectively the same thing.
– numbers1311407
Commented Aug 11, 2011 at 0:05
1

You are right, but $(document).scrollTop() gives what you want then why use $('html').offset().top and multiply by -1.
– ShankarSangoli
Commented Aug 11, 2011 at 0:12
1

@ShankarSangoli I acknowledged that your answer is more appropriate, which is why I edited mine. The answer should go to you, yes. Still, isn't it always better to learn 2 different ways of accomplishing a task, if you start out knowing 0?
– numbers1311407
Commented Aug 11, 2011 at 0:14
1

Debugging in IE11: ?$(document).scrollTop() 593 ?$("html").scrollTop() 593 ?$("html").offset().top -0.44000244140625 593 was the right answer. Similar result in chrome, except the last one reported zero.
– user2728841
Commented Nov 7, 2018 at 15:35

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