JSON.parse: unexpected non-whitespace character after JSON data

I am having problem using cold fusion and jquery.ajax it will throw error

JSON.parse: unexpected non-whitespace character after JSON data

this is the response in firebug {"EMPCODE":"E-00001"}

child.cfm

  <cfif IsDefined("empmycode")>

         <cfset  myarray= getempCode(#mycode#)>

         <cfoutput>#myarray#</cfoutput>

  </cfif>

<cffunction name="getempCode">

       <cfargument name="empcode">

         <cfquery  name="empQuery" datasource="#datasource#">

               Select empcode from employee where empcode = '#empcode#'

         </cfquery>

            <cfset mystruct = StructNew()>  

            <cfset mystruct.empcode=#empQuery.empcode#>

        <cfreturn   SerializeJSON(mystruct)>

  </cffunction>

parent.cfm

$.ajax({

    type: 'post',

        data: {empmycode:empcode}, 

    url: 'child.cfm',

    success:function(data){

    var myobjc = jQuery.parseJSON(data);

    console.log(myobj.empcode);

    }

  });

Thank you in advance