[Flashcoders] would this bother you?

[geng wang]

hello flashcoders,

i have two fundamental questions. they somewhat keep bothering me:

1. what are the datatypes of a MovieClip instance and a Textfield
instance after calling "removeMovieClip()"/"removeTextField()" on that
MovieClip/Textfield instance?

2. do they remain in the memory after
"removeMovieClip()"/"removeTextField()"? do i need to "delete" the
references to them in order to have them "garbage collected"?

pls see below:

var tn:MovieClip = this.createEmptyMovieClip("tn", 0);
var tn_nested:MovieClip = tn.createEmptyMovieClip("tnNested", 0);
var tf_nested:TextField = tn.createTextField("tf", 1, 0, 100, 100, 100);
tf_nested.text = "hello world!";
tn.loadMovie("http://assets0.twitter.com/images/twitter.png?1175908827";);

destroy_btn.onRelease = function(){
        tf_nested.removeTextField();

        tn.removeMovieClip();
        
        trace("is tn instanceof MovieClip after removeMovieClip: "+(tn
instanceof MovieClip));//false
        trace("is tn instanceof Object after removeMovieClip: "+(tn
instanceof Object));//false
        trace("tn type after removeMovieClip: "+ typeof(tn));//movieclip
        trace("is tf_nested instanceof Object after removeMovieClip:
"+(tf_nested instanceof Object));//false
        trace("tf_nested type after removeMovieClip: 
"+(typeof(tf_nested)));//movieclip
        trace("tn is "+tn+"; tf_nested is "+tf_nested);//tn is ; tf_nested is

        delete tf_nested;
        delete tn;

        trace(newline+">>>>delete tn>>>>");
        trace("tn after destroy: "+(tn instanceof MovieClip));
        trace("tn after destroy: "+(tn instanceof Object));
        trace("tn type after destroy: "+ typeof(tn));
        trace("tf_nested type after destroy: "+(typeof(tf_nested)));
}
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