Accordion header issue

Question

How to achieve accordion header visible to true/false, without add/remove child?

Answer 1

var style1 = new TextField.StyleSheet();
style1.setStyle("mm", {fontFamily:'Arial,sans-serif',
fontSize:'11px', color:'#6666ff'}); //internal css
my_label.autoSize = true; /// -------- already created a
label (my_label) instance --------
my_label.styleSheet = style1;
my_label.html = true;
my_label.text = "<mm> My Sub menu1</mm>";