Are there any drawbacks to using anonymous functions in JavaScript? E.g. memory use?

Question

At some point in the past, I read something that gave me the idea that anonymous functions in JavaScript can use up a surprising amount of memory (because they carry th

Answer 1

I think what you probably read about was the IE closure memory leak problem.

Look at this article on the issue.

Basically, on older versions of IE, the garbage collector could not handle circular references involving DOM objects. Since closures are very conducive to such circular references, they could easily lead to annoying memory leaks in IE.