I'm quoting Mike Alsup from the jQuery 1.1.2 thread, which I thought did a
good job relating to this question:
Based on this info, I feel totally safe using it. I can't even think of a
reason to use objects in this way, but I am not that complex. :)
*That's correct. It's safe to store primitives in an expando because
the aren't reference counted for garbage collection. But objects are
trouble. An IE memory leak pattern is as simple as this:
var o = document.getElementById('A');
document.getElementById('A').myprop = o;
Jack Slocum has a good blog entry on avoiding memory leaks:
**
http://www.jackslocum.com/blog/2006/10/02/3-easy-steps-to-avoid-javascript-memory-leaks/
*<http://www.jackslocum.com/blog/2006/10/02/3-easy-steps-to-avoid-javascript-memory-leaks/>
*Mike*
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