Untitled

<td><select name='aa' class='combobox form-control' onchange=\"changeValue(this.value)\" autofocus>
                                                                      <option value='' selected> Cari Item </option>";
                                                                      $jsArray = "var prdName = new Array();\n"; 
                                                                      foreach ($item as $r){
                                                                        if ($r['kode_item']==$row['kode_item']){
                                                                          echo "<option value='$r[kode_item]' selected>$r[nama_item]</option>";
                                                                          $jsArray .= "prdName['" . $r['kode_item'] . "'] = {desc:'".addslashes($r['satuan_item'])."'};\n";
                                                                        }else{
                                                                          echo "<option value='$r[kode_item]'>$r[nama_item]</option>";
                                                                          $jsArray .= "prdName['" . $r['kode_item'] . "'] = {desc:'".addslashes($r['satuan_item'])."'};\n";
                                                                        }
                                                                      }

// GANTI 
<td><input class='form-control' type='text' name='ee' id='satuan_item' value='$row[satuan_item]' readonly='on'> </td>

// JAVA SCRIPT
<?php echo $jsArray; ?>  
  function changeValue(id){  
    document.getElementById('satuan_item').value = prdName[id].desc;  
  };