Optimizing short code with XML objects

Hi there!
I'm trying to take into account the Garbage Collector (GC), so I decide to optimize this code:
private function writeXMLtoModel(xmlData:XML):void{
var listOne:XMLList = xmlData.node.children();
            for each(var xmlOne:XML in listOne){
                var item: Object = new Object();
                    item.one = xmlOne.@one ;
                    item.two = xmlOne.two ;
For instance, is it useful to put "xmlOne = null" in every iteration? I'm checking with the Flashdevelop's profiler, but I don't see the difference.
maybe, I can also reuse the item object rather than creating it every time, right?
Regards!

everything you prefix with var inside a function body is local to the function during that function call. ie, all those variables ( listOne and all the xmlOne and item) will be gc'd without you needing to do anything more. (on the other hand, unless you have additional code, that function does nothing useful because no data can be obtained from it once it completes execution.)

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Optimizing short code with XML objects

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