Array.filter

programming flash
1

I am trying to filter some content by alphabetical letter. ie(A=Animal, Arts,etc, B=Bug, Bit, Bat, etc).

I have it working for one letter at a time, which is ok I guess, but I rather have ranges like A-C, D-F,G-I etc.

Here is the code I am working with


package {
    import flash.display.Sprite;
    public class Array_filter extends Sprite {
        private var _letterRange:Array=new Array("A","B","C");
        private var _showsArray:Array=new Array("Mythbusters","Alphabet Goop","Brick and Brack","Dominio","Cats","Frogs and Pricess","Daniel Cook");
        public function Array_filter() {
            _showsArray.sort();
            var _showsArrayCopy:Array=_showsArray.map(arrayToUpperCase);
            var _showsFilteredArray:Array=_showsArrayCopy.filter(filterByLetter);
            trace(_showsFilteredArray);
        }
        private function arrayToUpperCase(element:String, index:int, array:Array):String {
            return (element.toUpperCase());
        }
        private function filterByLetter(element:String, index:int, array:Array):Boolean {
            for(var i=0;i<_letterRange.length;i++) {
                return element.charAt(0)==_letterRange*;
            }
        }
    }
}

The problem I am having is in the filterByLetter function as I can’t use a loop as it is giving me the following error:

1170:Function does not return a value

If I comment out the for loop and replace the index of the loop with a number instead of i it gives back the proper result.

Any suggestions?

Thanks in advance