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javascript returns 'undefined'

Posted on 2009-07-03
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Last Modified: 2012-05-07
I have the following script which I want to capture the curret scroll position and write it to the screen. But instead of writing a figure it is writing the word 'undefined'

here is my script.

<script language=javascript>
var test = window.pageYOffset;
document.write(test);
</script>


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Question by:Mr_Shaw
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4 Comments
 
LVL 23

Accepted Solution

by:
Kamaraj Subramanian earned 1336 total points
ID: 24772371
Hi,

please find the attached code

http://www.west-wind.com/WebLog/posts/4607.aspx

http://lists.evolt.org/archive/Week-of-Mon-20031117/151687.html
var ScrollTop = document.body.scrollTop;
if (ScrollTop == 0)
{
    if (window.pageYOffset)
        ScrollTop = window.pageYOffset;
    else
        ScrollTop = (document.body.parentElement) ? document.body.parentElement.scrollTop : 0;
 
}

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LVL 23

Assisted Solution

by:Kamaraj Subramanian
Kamaraj Subramanian earned 1336 total points
ID: 24772373

var xposition;
var yposition;
function saveScrollC() {
xposition = document.body.scrollLeft:window.pageXOffset;
 yposition = document.body.scrollTop:window.pageYOffset;
} 

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0
 
LVL 9

Assisted Solution

by:Shahzad Fateh Ali
Shahzad Fateh Ali earned 664 total points
ID: 24772390
Your code will only work in netscape.
Refer to following document for complete list

http://www.howtocreate.co.uk/tutorials/javascript/browserwindow
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Author Closing Comment

by:Mr_Shaw
ID: 31599565
thanks
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