The differences between Vector and Array have been quite interesting since Vector was introduced in Flash Player 10. Until just recently I didn’t know that there was special syntax for declaring a Vector akin to Array's special a = [1,2,3,4,5] trick. This got me thinking about the various ways one can declare a Vector and, of course, how they’re implemented in bytecode and what the speed differences, if any, are. Read on for some nitty gritty about how you declare Vectors in AS3.

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Tags: arrays, cast, declare, operators, performance, syntax, vectors