get top position of the web page using javascript

Question

Trying to take position of the top (window top x=0 and y=0) visible part of the web page.

Please see this image

Answer 1

You need:

 $(window).scrollTop();

Using Javascript:

 document.documentElement.scrollTop  ||  window.pageYOffset

Working Fiddle

Answer 2

Common:

var X - $(window).screenX();
var Y - $(window).screenY();

IE:

var X = $(window).screenLeft();
var Y - $(window).screenTop();

Hope it helps you!