Creating an element leaks memory in ie7

Reported by:	jwagener	Owned by:	brandon
Priority:	major	Milestone:	1.4
Component:	core	Version:	1.3.2
Keywords:		Cc:	jw@n31.de
Blocked by:		Blocking:

Description

when i run the appended html file in ie7, the browser reserves about ~150mb. when running the page without executing the jQuery("<div...) memory usage goes back to ~75mb. (note the div is not appended to the document or referenced in any way).

in firefox memory usage spikes a little bit when loading the page but goes back to a normal level.

<html>

<head>

</head>

<body>

jQuery(document).ready(function(){

for(var i =0; i<10000; i++){

jQuery("<div></div>");

}

});

</script>

</div>

</body>

</html>

Attachments (0)

Change History (4)

Changed April 21, 2009 06:53PM UTC by brandon comment:1

owner:	→ brandon

Changed April 21, 2009 06:53PM UTC by brandon comment:2

resolution:	→ fixed
status:	new → closed

this is fixed in r6310

Changed April 21, 2009 06:54PM UTC by brandon comment:3

resolution:	fixed
status:	closed → reopened

Sorry, meant to close out #4563.

Changed April 21, 2009 07:29PM UTC by brandon comment:4

resolution:	→ invalid
status:	reopened → closed

Since I stumbled upon this bug let me respond to it properly. :)

I'm not sure what you expect jQuery to do here. You've created new elements but haven't done anything with them. They are in limbo in IE and the IE GC can't get to them. You need to do something with them... either append them to the DOM or null them out when you are done with them.

Side navigation