Correct output variable

 function calcFind() { $('.calc select').change(function() { var num = $('select#production').val(); console.log(num); }); } calcFind(); $('.calc select').change(); 

 <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <div class="calc"> <select name="action" id="production"> <option value="180">Значки</option> <option value="300">Спортивные медали</option> </select> </div>