MemoryError  - AS3

package {
    import flash.display.Sprite;
    import flash.errors.MemoryError;
    import flash.utils.setInterval;
       
    public class MemoryErrorExample extends Sprite {
        private var crashingStr:String;
        private var intervalId:Number;
           
        public function MemoryErrorExample() {
            crashingStr = "abcdefghijklmnopqrstuvwxyz";
            intervalId = setInterval(exhaustMemory, 50);
        }
           
        public function exhaustMemory():void {            
            try {
                crashingStr += crashingStr;
            }
            catch(e:MemoryError) {
                trace(e);
            }
        }
    }
}