extjs on

 

on 

 

chrome

override afterRender no

 

 

override afterRender yes

 

 

          Ext.onReady(function(){
            var win=new Ext.window.Window({
              title:'Hello',
              height:200,
              width:400,
              layout:'fit',
              //updateActiveWindow:function(){},
            });
            win.on({
              //afterRender:function(){}
            });
            
            win.show();
          });