Initialize the index variable to Array .length -1 and loop until it reaches 0 by decrementing the index variable : loop through « Array « Flash / Flex / ActionScript
for (var i:int = letters.length - 1; i >= 0; i--) { if (letters[i] == match) {
trace("Element with index " + i +
" found to match " + match); break;
}
}
}
}
}