$(document).ready(function(e){
  e.preventDefault();
    $('.fabric').on('change',function(e){
        var fabricID = $(this).val();
        console.log("fabric id_price is " + fabricID); //debugging
        if(fabricID){
           $.ajax({
                type:'GET',
                url:'calculates.php',
                data:'id_price='+fabricID,
                success:function(html){
                  // do nothing cuz i just need to combine with script bellow
               //some closing tags
    $('.size').on('change',function(e){
      e.preventDefault();
        var sizeID = $(this).val();
        if(sizeID){
            $.ajax({
                type:'GET',
                url:'calculates.php',
                dataType: 'json',
                data:'size_id='+sizeID,
                success:function(html){
                  $(".icms" + id).text(data.val);
              //some closing tags