Jquery selecting closest checkbox inbox not working

Question

I have a treelist containing multiple levels of checkboxes and I am trying to get the parent checkbox to show as 'checked' when any of children checkboxes are clicked. For some reason this is not working and it's killing me.

JAVASCRIPT

$(function() {
        $("input.boundChild[type=checkbox]").click(function() {              
            $(this).closest("input.boundParent").prop("checked", "checked");
        });
 });

HTML

<ul>
   <li class="collapsed expanded">
       <input id="0" class="boundParent" type="checkbox" >
        Australia
             <ul style="display: block;">
               <li>
                  <input id="0/" class="boundChild" type="checkbox" checked="">
                  <input type="hidden" value="Intel Australia PTY Ltd.">
               </li>
             </ul>
   </li>
</ul>

Answer 1

input elements can't have children, in your markup input.boundParent is not one of the parents of the input.boundChild. It's a sibling of the ul element. you can use prev method.

$(function() {
    $("input.boundChild[type=checkbox]").click(function() {              
        $(this).closest('ul').prev().prop("checked", this.checked);
        // $('input.boundParent').prop("checked", this.checked);
    });
});

http://jsfiddle.net/dhVvN/