Class and Object

Ext.define('Student',
{
    name : 'abishkar',
    getName : function(){
        return "Student name is" + this.name;
    }
}, function(){
    alert('Student object created');
    var studentObj = Ext.create('Student');
    var s=studentObj.getName();
    alert(s);
});

Ext.define  takes three parameter and last parameter is callback that gets called after object is created