Troubleshooting Javascript. Object Expected.

J

jobs

I've got some javascript that works great in some old asp.net 1.0
inline code. I'm attempting to move the javascript to an asp.net
masterpage and use it in a content page. I understand this is not an
asp.net forum.


I'm looking at the rendered page and am not sure why i'm getting that
common Object expected message.

But mainly my question is about troubleshooting javascript in general.
What tools do you use? is there a console of IE to figure out where
this error is happening exactly

What it's suppose to do is display an image, and then do a slideshow
(blending) of 5 images. It only shows the first image and then chokes.
This code was working fine before I moved the javascript to the
asp.net master page.

Thank you for any help!


My error: reads

Line 27 (which appears to be my body tag)
Char1
Error: object expected




Rendered HTML.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://
www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head><title>
Untitled Page
</title><style type="text/css">
.ctl00_Menu1_0 { background-
color:white;visibility:hidden;display:none;position:absolute;left:
0px;top:0px; }
.ctl00_Menu1_1 { color:#666666;font-family:Verdana;font-size:
0.8em;text-decoration:none; }
.ctl00_Menu1_2 { color:#666666;background-color:#E3EAEB;font-
family:Verdana;font-size:0.8em; }
.ctl00_Menu1_3 { }
.ctl00_Menu1_4 { padding:2px 5px 2px 5px; }
.ctl00_Menu1_5 { }
.ctl00_Menu1_6 { padding:2px 5px 2px 5px; }
.ctl00_Menu1_7 { background-color:#E3EAEB; }
.ctl00_Menu1_8 { }
.ctl00_Menu1_9 { background-color:#1C5E55; }
.ctl00_Menu1_10 { }
.ctl00_Menu1_11 { background-color:#1C5E55; }
.ctl00_Menu1_12 { color:White; }
.ctl00_Menu1_13 { color:White;background-color:#666666; }
.ctl00_Menu1_14 { color:White; }
.ctl00_Menu1_15 { color:White;background-color:#666666; }

</style></head>
<body id="ctl00_Body" onload="SetTimeout('slideit()',5000);">

<div style="font-size: 20pt; left: 74px; width: 722px; color:
navy; font-family: Georgia;
position: absolute; top: 12px; height: 132px">
some content here</div>
<br />
<br />
<br />
<br />
<br />
<br />
<form name="aspnetForm" method="post" action="Default.aspx"
id="aspnetForm">
<input type="hidden" name="__EVENTARGUMENT" id="__EVENTARGUMENT"
value="" />
<input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="/
wEPDwUJLTI0MTM1MTE4D2QWAmYPZBYCAgMPFgIeBm9ubG9hZAUdU2V0VGltZW91dCgnc2xpZGVpdCgpJyw1MDAwKTtkZMeWyaebL7+2mGx5IlUTJG74K3K/" /</div>

<script type="text/javascript">
<!--
var theForm = document.forms['aspnetForm'];
if (!theForm) {
theForm = document.aspnetForm;
}
function __doPostBack(eventTarget, eventArgument) {
if (!theForm.onsubmit || (theForm.onsubmit() != false)) {
theForm.__EVENTTARGET.value = eventTarget;
theForm.__EVENTARGUMENT.value = eventArgument;
theForm.submit();
}
}
// -->
</script>


<script src="/Ruben/WebResource.axd?
d=4U6X6OcF978CdaNo3fWogA2&amp;t=633042420571718750" type="text/
javascript"></script>


<script src="/Ruben/WebResource.axd?
d=nm6ynZk2X7rH-6bHnDMszQ2&amp;t=633042420571718750" type="text/
javascript"></script>
<a href="#ctl00_Menu1_SkipLink"><img alt="Skip Navigation Links"
src="/Ruben/WebResource.axd?
d=L7v_eVgTP2teHMJYvWOWpQ2&amp;t=633042420571718750" width="0"
height="0" style="border-width:0px;" /></a><table id="ctl00_Menu1"
class="ctl00_Menu1_2" cellpadding="0" cellspacing="0" border="0"
style="left: 11px; position: absolute; top: 15px">
<tr onmouseover="Menu_HoverStatic(this)"
onmouseout="Menu_Unhover(this)" onkeyup="Menu_Key(this)" title="Home"
id="ctl00_Menu1n0">
<td><table class="ctl00_Menu1_4" cellpadding="0" cellspacing="0"
border="0" width="100%">
<tr>
<td style="white-space:nowrap;width:100%;"><a class="ctl00_Menu1_1
ctl00_Menu1_3" href="default.aspx">Home</a></td>
</tr>
</table></td>
</tr><tr onmouseover="Menu_HoverStatic(this)"
onmouseout="Menu_Unhover(this)" onkeyup="Menu_Key(this)"
id="ctl00_Menu1n1">
<td><table class="ctl00_Menu1_4" cellpadding="0" cellspacing="0"
border="0" width="100%">
<tr>
<td style="white-space:nowrap;width:100%;"><a class="ctl00_Menu1_1
ctl00_Menu1_3" href="photos.aspx">Photos</a></td>
</tr>
</table></td>
</tr>
</table><a id="ctl00_Menu1_SkipLink"></a>
<div style="width:720px;height:400px; left: 77px; position:
absolute; top: 154px;">


<img id="ctl00_Content1_cool" src="medium.aspx?src=images/c1.jpg"
style="height:400px;width:400px;border-width:0px;WIDTH:400px;Height:
400px;filter:blendTrans(duration=3)" />

</div>


<script type="text/javascript">
<!--
var ctl00_Menu1_Data = new Object();
ctl00_Menu1_Data.disappearAfter = 500;
ctl00_Menu1_Data.horizontalOffset = 2;
ctl00_Menu1_Data.verticalOffset = 0;
ctl00_Menu1_Data.hoverClass = 'ctl00_Menu1_15';
ctl00_Menu1_Data.hoverHyperLinkClass = 'ctl00_Menu1_14';
ctl00_Menu1_Data.staticHoverClass = 'ctl00_Menu1_13';
ctl00_Menu1_Data.staticHoverHyperLinkClass = 'ctl00_Menu1_12';
// -->
</script>
</form>
</body>
</html>

<script type="text/javascript">

<!--
var step=1
var whichimage=1
//preload images
var image1=new Image()
image1.src="medium.aspx?src=images/c1.JPG"
var image2=new Image()
image2.src="medium.aspx?src=images/c2.JPG"
var image3=new Image()
image3.src="medium.aspx?src=images/c3.JPG"
var image4=new Image()
image4.src="medium.aspx?src=images/c4.JPG"
var image5=new Image()
image5.src="medium.aspx?src=images/c5.jpg"


function slideit(){
if (!document.images)
return
//If the browser is IE 4.x
if (document.all)
ctl00_Content1_cool.filters.blendTrans.apply()
document.images.ctl00_Content1_cool.src=eval("image"+step+".src")
//If the browser is IE 4.x
if (document.all)
ctl00_Content1_cool.filters.blendTrans.play()
whichimage=step
if (step<8)
step++
else
step=1
setTimeout("slideit()",5000)
}
//-->
</script>
 
D

David Mark

I've got some javascript that works great in some old asp.net 1.0
inline code. I'm attempting to move the javascript to an asp.net
masterpage and use it in a content page. I understand this is not an
asp.net forum.

I'm looking at the rendered page and am not sure why i'm getting that
common Object expected message.

But mainly my question is about troubleshooting javascript in general.
What tools do you use? is there a console of IE to figure out where
Click to expand...

Visual Studio is one option. I believe there is a stand-alone script
debugger as well.
this error is happening exactly

What it's suppose to do is display an image, and then do a slideshow
(blending) of 5 images. It only shows the first image and then chokes.
This code was working fine before I moved the javascript to the
asp.net master page.

Thank you for any help!

My error: reads

Line 27 (which appears to be my body tag)
Char1
Error: object expected

Rendered HTML.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
Click to expand...

Are you really transitioning this to XHTML?
<html xmlns="http://www.w3.org/1999/xhtml" >
<head><title>
Untitled Page
</title><style type="text/css">
.ctl00_Menu1_0 { background-
color:white;visibility:hidden;display:none;position:absolute;left:
0px;top:0px; }
.ctl00_Menu1_1 { color:#666666;font-family:Verdana;font-size:
0.8em;text-decoration:none; }
.ctl00_Menu1_2 { color:#666666;background-color:#E3EAEB;font-
family:Verdana;font-size:0.8em; }
.ctl00_Menu1_3 { }
.ctl00_Menu1_4 { padding:2px 5px 2px 5px; }
.ctl00_Menu1_5 { }
.ctl00_Menu1_6 { padding:2px 5px 2px 5px; }
.ctl00_Menu1_7 { background-color:#E3EAEB; }
.ctl00_Menu1_8 { }
.ctl00_Menu1_9 { background-color:#1C5E55; }
.ctl00_Menu1_10 { }
.ctl00_Menu1_11 { background-color:#1C5E55; }
.ctl00_Menu1_12 { color:White; }
.ctl00_Menu1_13 { color:White;background-color:#666666; }
.ctl00_Menu1_14 { color:White; }
.ctl00_Menu1_15 { color:White;background-color:#666666; }

</style></head>
<body id="ctl00_Body" onload="SetTimeout('slideit()',5000);">
Click to expand...

Why wait 5 seconds?
<div style="font-size: 20pt; left: 74px; width: 722px; color:
navy; font-family: Georgia;
position: absolute; top: 12px; height: 132px">
some content here</div>
<br />
<br />
<br />
<br />
<br />
<br />
Click to expand...

How many times can you break a line? Use CSS for margins.
<form name="aspnetForm" method="post" action="Default.aspx"
id="aspnetForm">
<div>
<input type="hidden" name="__EVENTTARGET" id="__EVENTTARGET" value="" /

<input type="hidden" name="__EVENTARGUMENT" id="__EVENTARGUMENT"
value="" />
<input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="/
wEPDwUJLTI0MTM1MTE4D2QWAmYPZBYCAgMPFgIeBm9ubG9hZAUdU2V0VGltZW91dCgnc2xpZGVp­dCgpJyw1MDAwKTtkZMeWyaebL7+2mGx5IlUTJG74K3K/" /

</div>

<script type="text/javascript">
<!--
Click to expand...

This comment delimiter won't work for XHTML and is unnecessary for
HTML.

[snip]
function slideit(){
if (!document.images)
return
Click to expand...

You don't need this test.
//If the browser is IE 4.x
if (document.all)
Click to expand...

This test is nonsense. Opera (among others) supports document.all.
ctl00_Content1_cool.filters.blendTrans.apply()
Click to expand...

Use getElementById to get a reference to the image element. Then test
the filters object and make sure it has at least one member (and that
it has a blendTrans property.) Filters are present when they are
defined in the CSS or added with script. I suspect that the previous
content had filters defined in a style sheet. Scripts shouldn't rely
on a specific style to run.
document.images.ctl00_Content1_cool.src=eval("image"+step+".src")
Click to expand...

Why eval?
//If the browser is IE 4.x
if (document.all)
ctl00_Content1_cool.filters.blendTrans.play()
Click to expand...

See above.
whichimage=step
if (step<8)
step++
else
step=1
setTimeout("slideit()",5000)}
Click to expand...

setTimeout will take a function object as its first parameter.
Perhaps not in IE4 though.
 

Ask a Question

Want to reply to this thread or ask your own question?

You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.

Ask a Question

Similar Threads

Troubleshooting Javascript 2
Can someone tell me if this a real tracker? Or is it one designed to show you a different message at certain times, ie. acting like one? 0
Help with code 0
Please Help? 0
Help with Visual Lightbox: Scripts 2
Image not changing between "mute" & "un-mute" images. 5
Help with my responsive home page 2
I need help fixing my website 2

Members online

No members online now.
Total: 38 (members: 1, guests: 37)
Robots: 218

Forum statistics

Threads
473,756
Messages
2,569,535
Members
45,008
Latest member
obedient dusk

Latest Threads

Top