jquery - Passing autocomplete value to ajax not working -

i want show mysql result html table.my problem come here, variable value not sending ajax data (empty).

 <form id="oqcform">     .....     <input type="text" id="fittest"/>     <input type="text" id="nik"/>     <button id="inputbutton">input</button>     </form>     <div id="qtycheck"></div>  $("#inputbutton").click(function() { //ajax show mysql result html table var idnum = $("#nik").val(); $.ajax({         type:"post",         url:"process2.php",         data:"no="+idnum+"&action=personalqty",  //problem here no = empty         cache:false,         async:false,         success: function(result){                 $('#qtycheck').html(result); //echo html table & mysql result                 }         });  }); 

at console log:

no:                  --> empty action:personalqty 

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update

i try make duplicate value:

$("#inputbutton").click(function() {      $('#fittest').val($('#nik').val());      }); 

input value not duplicated.