failed to set values for TextDocument on first try.

 When executing a simple script, it fails to set some text styles with SetValue on the first try.

var targetLayer = app.project.activeItem.layer(1);

var strArr = [
    "‏حفظ حساب في الأرشيف",
    "Archive an Account",
    "เก็บบัญชีถาวร",
    "एक खाते को आर्काइव करें"
];

var fntArr = [
    "NotoSansArabic-Bold",
    "Roboto-Bold",
    "NotoSansThai-Bold",
    "NotoSansDevanagari-Bold"
];

lang = 1; // select num (0-3) for change language and font

var textProp = targetLayer.property("ADBE Text Properties").property("ADBE Text Document");
  var textDocument = textProp.value;

  textDocument.resetParagraphStyle();
  textDocument.resetCharStyle();
  textDocument.font = fntArr[lang]; 
  textDocument.text = strArr[lang];
  textProp.setValue(textDocument); 

  //uncomment it for normal work 
  //textProp.setValue(textDocument);

Hello! I use a very large number of layers (<1000) in my projects and use the dictionaries of JSON to localize them into different languages. From profiling the code, I can tell that the longest part of running my script is applying "textDocument" to the layer using setValue(). Therefore, it is highly undesirable to repeat this action.