If beginIndex and endIndex are equal, the newText is inserted immediately before the specified beginIndex : Text : TextField Flash / Flex / ActionScript examples

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If beginIndex and endIndex are equal, the newText is inserted immediately before the specified beginIndex


 

package{
  import flash.display.Sprite;
  import flash.text.*;
  public class Main extends Sprite{
    public function Main(){

        var t:TextField = new TextField(  );
        t.text = "mat";
        t.replaceText(2, 2, "s");
        trace(t.text);  // Displays: mast
        addChild(t);
    }
  }
}