Actionscript 3-first Steps Xi__actionscript

Actionscript 2 wasn ' t, but a few things drove some developers. For example if you initialized A is variable with an Object, which is magically behaved like a static classmember, Due to the storage of the prototype. In ActionScript 3 The works just like expected, as you can.
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The old problems in the AS2 were solved in the AS3. Initializes arrays and objects inline, and properties can become static members. (See Luar's book "ACTIONSCRIPT 2.0 vs. RIA application Development", page 80)

Inside the AS2.
Test1.as
Import Test2;
Class Test1 extends MovieClip
{
Public Function Test1 ()
{
var t1:test2 = new Test2 ();
var t2:test2 = new Test2 ();
}
}

Test2.as
Class Test2
{
private var A:array = new Array ();
function Test2 ()
{
A.push (a.length);
Trace (a);
}
}

The array becomes a static member, inconsistent with the expected result
Output
0
0,1

In the AS3

Package {

Import Flash.util.trace;
Import Flash.display.MovieClip;

public class Test1 extends MovieClip {

Public Function Test1 () {
var t1:test2 = new Test2 ();
var t2:test2 = new Test2 ();
}

}

Private class Test2 {

private var A:array = new Array ();

Public Function Test2 () {
A.push (a.length);
Trace (a);
}

}

}

Output a normal result
0
0