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I have the same issue, both in IE9 emulating IE7 on Win7 x64 and in a virtual box IE7 on Windows XP.

The code block in question:

// IE6/7 do not support getting/setting some attributes with get/setAttribute
if ( !jQuery.support.getSetAttribute ) {
	
	// Use this for any attribute in IE6/7
	// This fixes almost every IE6/7 issue
	nodeHook = jQuery.valHooks.button = {
		get: function( elem, name ) {
			var ret;
			ret = elem.getAttributeNode( name );
			// Return undefined if nodeValue is empty string
			return ret && ret.nodeValue !== "" ?
				ret.nodeValue :
				undefined;
		},

It happens when I do a ele.fadeIn().fadeOut(). I've tried to change it to fadeTo(), fadeToggle() or animate({"opacity": 0}) to no avail, same error. A plain .hide() works.

Adding show(), stop(), delay() or whatnot inbetween doesn't help either, as doesn't using setTimeout in the callback function instead of delay().

I've temporarily fixed the issue by wrapping a

if (elem.innerHTML != undefined) {

around the get: method, however this seems rather clunky to me.

Because we get so many tickets, we often need to return them to the initial reporter for more information. If that person does not reply within 14 days, the ticket will automatically be closed, and that has happened in this case. If you still are interested in pursuing this issue, feel free to add a comment with the requested information and we will be happy to reopen the ticket if it is still valid. Thanks!

i am getting this as well. Working in IE9, but in developer tools, i set Doucument Mode to IE.Standard

I do a simple $('#chTagsAllSpan').fadeIn()

on page load and i get this error

#10788 is a duplicate of this ticket.

@greg

Please provide a complete reduced test case on jsFiddle - thanks. http://jsfiddle.net/FrKyN/ Open the link and click to "Fork" (in the top menu) to get started.

Because we get so many tickets, we often need to return them to the initial reporter for more information. If that person does not reply within 14 days, the ticket will automatically be closed, and that has happened in this case. If you still are interested in pursuing this issue, feel free to add a comment with the requested information and we will be happy to reopen the ticket if it is still valid. Thanks!

I have the same issue.

In the following example

HTML:

		<div id="dialog" title="title">
			<object type="application/..."> 
			</object>
		</div>

JS:

$('#dialog').dialog()