why am I getting 1120: Access of undefined property ?

Question

So I created this simple counter script to create a score board for a game.import flash.events.MouseEvent;redButton.addEventListener(MouseEvent.CLICK, randomOutput);function randomOutput(e: MouseEvent): void {  var count: Number = 0;  count = count + 100;  Counter.text = (count).toString();}It worked fine on the stage timeline. but when I transferred this code to ActionScript file I get the 1120 error on both redButton and Counter Instance Names. why? what am I doing wrong?Here is the full code for the ActionScript filepackage {  import flash.display.MovieClip  public class myScript1 extends MovieClip {  public function myScript1() {  // constructor code  } }}import flash.events.MouseEvent;redButton.addEventListener(MouseEvent.CLICK, randomOutput);function randomOutput(e: MouseEvent): void {  var count: Number = 0;  count = count + 100;  Counter.text = (count).toString();}

moccamaximum · Accepted Answer

package{  import flash.display.MovieClip import flash.events.MouseEvent;  public class myScript1 extends MovieClip {  private var count:Number = 0;  public function myScript1() {  // constructor code //makes ure that there is a Button/MovieClip named "redButton" on stage in the first frame of the timeline redButton.addEventListener(MouseEvent.CLICK, randomOutput);  }    private function randomOutput(e:MouseEvent):void {   count += 100; //make sure that there is a TextField named "Counter" on stage in the first frame of the timeline Counter.text = count;  }  }}

dmennenoh · Answer

You have imports inside the class definition, those go outside the class, inside the package namespace like the first MovieClip one. Also, you cannot have code like redButton.addEventListener outside of a method - put that inside the constructor. Also, you are never going to have more than 100 points showing, since you set it to 0 each time you call randomOutput... which is not at all random.

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