"permission denied" jquery 1.7.1 IE7 on line 1666 accessing elem attribute

[paolo.savoldi.bs@…]

It happens with IE7 (IEtester v. 0.4.8) at this line

id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey

when accessing elem[internalKey].

It seems no elem property is accessible. I detected the error happening when elem is the whole DOMWindow object containing many functions and ajax calls but I wasn't able to isolate the problem. Every other elem in the page doesn't seem to raise exceptions. I added the following workaround to the jquery code

var privateCache, thisCache, ret,

internalKey = jQuery.expando, getByName = typeof name === "string",

We have to handle DOM nodes and JS objects differently because IE6-7 can't GC object references properly across the DOM-JS boundary isNode = elem.nodeType,

Only DOM nodes need the global jQuery cache; JS object data is attached directly to the object so GC can occur automatically cache = isNode ? jQuery.cache : elem,

Only defining an ID for JS objects if its cache already exists allows the code to shortcut on the same path as a DOM node with no cache id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey, isEvents = name === "events";

try {

var id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey;

} catch(e) {

do nothing

}

[timmywil]

Thanks for taking the time to contribute to the jQuery project! Please provide a complete reduced test case on jsFiddle to help us assess your ticket.

Additionally, be sure to test against the jQuery Edge version to ensure the issue still exists. To get you started, use this boilerplate: ​http://jsfiddle.net/FrKyN/. Open the link and click to "Fork" (in the top menu) to get started.

[trac-o-bot]

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!

[me@…]

Hi

I currently have the same issue with jQuery v1.7.1 and even 1.7.2 beta 2!

I get a permission denied error when trying to submit a form using jQuery for line 1703

id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey,

Reverting back to jQuery v.1.6.4 seems to work for now

Thanks

Tom Taylor

[me@…]

Hi again!

Created a try catch around the permission denied issue for IE7, and set the id and isEvents vars to false by default

If anyone wants to try this for now this will help with the issue within jQuery v1.7.1+ (including v1.7.2 beta 2)

		var privateCache, thisCache, ret,
			internalKey = jQuery.expando,
			getByName = typeof name === "string",
			id = isEvents = false,

			// We have to handle DOM nodes and JS objects differently because IE6-7
			// can't GC object references properly across the DOM-JS boundary
			isNode = elem.nodeType,

			// Only DOM nodes need the global jQuery cache; JS object data is
			// attached directly to the object so GC can occur automatically
			cache = isNode ? jQuery.cache : elem;

			// Only defining an ID for JS objects if its cache already exists allows
			// the code to shortcut on the same path as a DOM node with no cache
			try {
				id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey;
				isEvents = name !== undefined ? (name === "events") : isEvents;
			} catch(e) {
			}

Would be great if this could be fixed for the next release!

Tom Taylor

[timmywil]

Inserting try/catch is not really an option. It inhibits debugging and hides the actual problem. I don't see a reason to reopen this ticket until we have a small test case that can reproduce the issue, but I'd be willing to investigate further once we do have a test case.

[l33]

I get this too when using an iframe and a different subdomain for performing ajax requests. What's the best way to debug this? It seems to be related to event handling, as it only happens when name is "events".