If a specific format (e.g., font, bold, or italic) is not the same for all characters in a specified span, the corresponding variable of the TextFormat object for that span will be null : Text format : TextField Flash / Flex / ActionScript examples
If a specific format (e.g., font, bold, or italic) is not the same for all characters in a specified span, the corresponding variable of the TextFormat object for that span will be null
package{ import flash.display.Sprite; import flash.text.*; public class Main extends Sprite{ public function Main(){ var t:TextField = new TextField( ); t.width = 100; t.border = true; t.wordWrap = true; t.text = "What time is it?";
var arialFormat:TextFormat = new TextFormat( ); arialFormat.font = "Arial";
t.setTextFormat(arialFormat, 0, 4);
var allCharsFormat:TextFormat = t.getTextFormat( );