ActionScript 3.0 :: Range Exception Handling?

Sep 3, 2011

Code:
for (i=1; i<9; i++) {
if (this["blank"+i].getChildAt(0) is Letters) {
word += this["blank"+i].getChildAt(0).letter;
}
}

This code throws a range exception if, for instance, "blank2" doesn't contain any children.I just need to be able to basically say, "if this blank doesn't have any children, just skip this code."Normally I would do something along the lines of an if=null statement, but this won't work here because

Code:
if (this["blank"+i.getChildAt(0) != null)

obviously throws the same range exception.How do you deal with this? I can't find anything along the lines of a "does blank1 contain any children" sort of method.R

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