html - Reusable jQuery select/option filter based on another select -

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like title suggests i'm trying create jquery function filter select options based on the value of select/option.

so far have managed create function works great single use, breaks when try use more once.

here's have far:

html 

<tr class='car-selection'> <td class='label'>car 1: </td>  <td>manufacturer:     <select class="manufacturer">         <option>select manufacturer</option>         <option class="audi" value="audi">audi</option>         <option class="bmw" value="bmw">bmw</option>         <option class="mercedes-benz" value="mercedes-benz">mercedes-benz</option>     </select> </td>    <td>model:     <select class="model">         <option class="audi">select model</option>         <option value="a1" class="audi">a1</option>         <option value="a3" class="audi">a3</option>         <option value="a4" class="audi">a4</option>         <option value="a5" class="audi">a5</option>         <option value="a6" class="audi">a6</option>          <option class="bmw">select model</option>         <option value="1series" class="bmw">1 series</option>         <option value="3series" class="bmw">3 series</option>         <option value="5series" class="bmw">5 series</option>         <option value="7series" class="bmw">7 series</option>         <option value="x5" class="bmw">x5</option>          <option class="mercedes-benz">select model</option>         <option value="aclass" class="mercedes-benz">a-class</option>         <option value="bclass" class="mercedes-benz">b-class</option>         <option value="cclass" class="mercedes-benz">c-class</option>         <option value="eclass" class="mercedes-benz">e-class</option>         <option value="mclass" class="mercedes-benz">m-class</option>     </select> </td>         </tr>   <tr class='car-selection'> <td class='label'>car 2: </td>  <td>manufacturer:     <select class="manufacturer">         <option>select manufacturer</option>         <option class="audi" value="audi">audi</option>         <option class="bmw" value="bmw">bmw</option>         <option class="mercedes-benz" value="mercedes-benz">mercedes-benz</option>     </select> </td>    <td>model:     <select class="model">         <option class="audi">select model</option>         <option value="a1" class="audi">a1</option>         <option value="a3" class="audi">a3</option>         <option value="a4" class="audi">a4</option>         <option value="a5" class="audi">a5</option>         <option value="a6" class="audi">a6</option>          <option class="bmw">select model</option>         <option value="1series" class="bmw">1 series</option>         <option value="3series" class="bmw">3 series</option>         <option value="5series" class="bmw">5 series</option>         <option value="7series" class="bmw">7 series</option>         <option value="x5" class="bmw">x5</option>          <option class="mercedes-benz">select model</option>         <option value="aclass" class="mercedes-benz">a-class</option>         <option value="bclass" class="mercedes-benz">b-class</option>         <option value="cclass" class="mercedes-benz">c-class</option>         <option value="eclass" class="mercedes-benz">e-class</option>         <option value="mclass" class="mercedes-benz">m-class</option>     </select> </td>         </tr>  </table>



jquery

 $(document).ready(function () {      var alloptions = $('.model option');         $('.manufacturer').change(function () {          $('.model option').remove();         var classn = $('.manufacturer option:selected').prop('class');         var opts = alloptions.filter('.' + classn);         $.each(opts, function (i, j) {             $(j).appendto('.model');          });     });  });



jsfiddle demo

i'd appreciate can on this!
thanks.

use jquery:

$(document).ready(function () { $('.model option').hide(); $('.manufacturer').change(function () { var classn = $(this).find(' option:selected').prop('class'); $(this).parent().parent().find('.model option').hide(); $(this).parent().parent().find('.model option.'+classn).show(); }); });

demo: http://jsfiddle.net/sv4q8/10/


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