checkbox to multiply select

by vi161

HTML

<div class="sel-rad">
 <select  class="multipleSelect" id="" multiple="multiple" name="00N46000001prf3" title="Contraindication">
   <option value="1">1</option>
   <option value="2">2</option>
   <option value="3">3</option>
   <option value="3">4</option>
 </select>

<input type="checkbox" name="num" value="1" class='myClass'/>
<input type="checkbox" name="num" value="2" />
<input type="checkbox" name="num" value="3" />
<input type="checkbox" name="num" value="4" />

   

</div>

JavaScript

$('.sel-rad').click(function()  {
    var selected = [];                
    $("input:checkbox[name=num]:checked").each(function() {
           selected.push($(this).val());
    });
$('.multipleSelect').val(selected);

});