javascript - JSP to return value to ajax call -

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I think the JSP page that I called on the AJAX call which is based on my JSP code part, Or returns 1. So to get that value I did something like this in Ajax Call: 

    
 And I did the same in the JSP part:  
    
 How to get this value in my JavaScript Ajax call. I want to store this value because I need to make decisions based on this value.  
 Currently the message that is being displayed on Ajax success:  
     
 
 
 Return a Jason from the JSP page.  
 Set as Jason.  
  Feedback. Stuttgart Type ("App / Jason"); Response.setHeader ("content-displacement", "inline");   
 In the success of AJX, Boolean value is obtained from Julon and its use ...  
  Update:   
 Return the  flag  to  div  and use that div to get the code value  id .  
  .println ("div 
");   
 In this way JavaScript is used ...  
  $ ("#moded"). Find ("# flag"). Html ();

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