extjs this ? the calling object

this 一开始看的昏头昏脑的，baidu就是一堆ctrl+v 的东西，

this? the calling object

要义一: calling

要义二: object

 

    <script type="text/javascript" src="../bootstrap.js"></script>
    <script type="text/javascript" src="../locale/ext-lang-zh_CN.js"></script>

    <script type="text/javascript">
    Ext.define('father1',{
       constructor:function(){
          var me=this;
         alert('father1 constructor');
       }
    })
    
    Ext.define('son',{
    extend:'father1',
    app:'hello world',
    test:function(){
      alert('son1');
    }
   
    });

        
        var inson;
        Ext.onReady(function () {
			inson=new son();
        });
    </script>

 

father1 alert 前打上断点进行调试

*注意--> app