I'm not sure whether I understand your answer. I don't actually talking about checking between null or undefined - cause it's obvious it is depends on scenario.
I'm talking about a way in which we are doing it - What do you thing to use this "typeof a". ? Thanks, Piotr ----- Apache Flex PMC piotrzarzyck...@gmail.com -- View this message in context: http://apache-flex-development.2333347.n4.nabble.com/Re-7-7-git-commit-flex-asjs-refs-heads-develop-make-getValue-a-lot-faster-30ms-down-to-5ms-in-a-compe-tp61974p62018.html Sent from the Apache Flex Development mailing list archive at Nabble.com.