On 10/17/05, david dailey <[EMAIL PROTECTED]> wrote: > > At 08:24 AM 10/17/2005, Doug wrote: > >That way, you're only hitting the DOM to find the element once, instead > of > >twice. gEBI is a rather expensive method call, I would think, especially > on > >large documents (unless the implementation caches a hash table of all the > >ids). > > Interesting -- I would take this to mean that if I'm creating a whole > bunch of stuff dynamically -- where those things might, later on, > change, then it might be best to maintain, in parallel, a JavaScript > array of all the things (and their attributes). It would be redundant > in terms of storage and probably chew up some memory allocation from > the browser, but I suppose that is relatively cheap in comparison to > the time factor. (I have noticed that when I pack more than a few > hundred animated things into a page the browser gets sleepy.) > > Does that seem sensible? > > David > > Mozilla maintains a hash table. I'd imagine most other browsers would do the same, but I could be wrong.
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