MACROMEDIA FLASH MX 2004-ACTIONSCRIPT LANGUAGE Reference page 812

Then create a new class called Socks that extends the Clothes class, as shown in the following
example:
class Socks extends Clothes {
private var color:String;
function Socks(param_color:String) {
this.color = param_color;
trace("[Socks] I am the constructor");
}
function getColor():String {
trace("[Socks] I am getColor");
return super.getColor();
}
function setColor(param_color:String):Void {
this.color = param_color;
trace("[Socks] I am setColor");
}
}
Then create a new AS or FLA file and enter the following ActionScript in the document:
import Socks;
var mySock:Socks = new Socks("maroon");
trace(" -> "+mySock.getColor());
mySock.setColor("Orange");
trace(" -> "+mySock.getColor());
The following result is displayed in the Output panel:
[Clothes] I am the constructor
[Socks] I am the constructor
[Socks] I am getColor
[Clothes] I am getColor
-> maroon
[Socks] I am setColor
[Socks] I am getColor
[Clothes] I am getColor
-> Orange
If you forgot to put the
method could call itself repeatedly, which would cause the script to fail because of
getColor()
infinite recursion problems. The Output panel would display the following error if you didn't use
the keyword:
super
[Socks] I am getColor
[Socks] I am getColor
...
[Socks] I am getColor
256 levels of recursion were exceeded in one action list.
This is probably an infinite loop.
Further execution of actions has been disabled in this movie.
812 Chapter 2: ActionScript Language Reference
keyword in the Sock class's
super
method, then the
getColor()