Window pageXOffset and pageYOffset Properties
Window Object
Definition and Usage
The pageXOffset and pageYOffset properties returns the pixels the current
document has been scrolled from the upper left corner of the window,
horizontally and vertically.
Syntax
window.pageXOffset
window.pageYOffset
Browser Support

The pageXOffset and pageYOffset properties are supported in all major browsers.
Note: IE 8 and earlier does not support this property, but may use "document.body.scrollLeft" and "document.body.scrollTop" instead.
Example
Example
Scroll the content by 100 pixels, and alert the pageXOffset and pageYOffset:
<html>
<head>
<script>
function scrollWindow()
{
window.scrollBy(100,100)
alert("pageXOffset: " + window.pageXOffset + ", pageYOffset: " + window.pageYOffset)
}
</script>
</head>
<body>
<input type="button" onclick="scrollWindow()" value="Scroll">
<p>SCROLL SCROLL SCROLL SCROLL SCROLL SCROLL SCROLL SCROLL</p>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<p>SCROLL SCROLL SCROLL SCROLL SCROLL SCROLL SCROLL SCROLL</p>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<p>SCROLL SCROLL SCROLL SCROLL SCROLL SCROLL SCROLL SCROLL</p>
</body>
</html>
Try it yourself »
Window Object
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