ExtJS function call in callback(is not defined)?

Question

JavaScript

Hello everyone, help me solve the problem, the ExtJS framework
The function is not called in the callback of another function

textFormater : function(text){
   //some code
},
loginForm : function(){
               //jQuery
               $("onClickBtn").click(function(){
                        var text = textFormater("SomeText"); //Uncaught ReferenceError: textFormater is not defined
             });

}

Answer 1

loginForm : function(){
                var me = this;
               //jQuery
               $("onClickBtn").click(function(){
                        var text = me.textFormater("SomeText"); //Uncaught ReferenceError: textFormater is not defined
             });

}