Adobe CC Scripting UI basics

ui-script.js

// This is a script ui for a window ( not panel )
// https://forums.adobe.com/thread/1238745
var box = new Window('dialog', "Some title");  
  
box.panel = box.add('panel', undefined, "Panel title");  
box.panel_text1 = box.panel.add('edittext', undefined, "Default_value_1");  
box.panel_text2 = box.panel.add('edittext', undefined, "Default_value_2");  
box.panel_text3 = box.panel.add('edittext', undefined, "Default_value_3");  
  
box.panel2 = box.add('panel', undefined, "Title (not displayed)");  
box.panel2.group = box.panel2.add('group', undefined );  
box.panel2.group.orientation='row';  
  
box.panel2.group.text1 = box.panel2.group.add('statictext', undefined, "Press Button to close");  
box.panel2.group.closeBtn = box.panel2.group.add('button',undefined, "Close", {name:'close'});  
  
box.panel3 = box.add('panel', undefined, "Title 2 (not displayed)");  
box.panel3.group = box.panel3.add('group', undefined, );  
box.panel3.group.orientation='column';  
  
box.panel3.group.text1 = box.panel3.group.add('statictext', undefined, "Dummy Button for nothing");  
box.panel3.group.closeBtn = box.panel3.group.add('button',undefined, "Somewhat", {name:'Somewhat'});  
  
box.panel2.group.closeBtn.onClick = function(){  
  box.close();  
}  
  
box.show()