JSFiddle - React, Tailwind, and code Playground

by niklasvh

HTML

<ul id="treeList">
   <li>
   <input type="checkbox" name="selectedRole">
   Application Manager
    <ul>
       <li>
           <input type="checkbox" name="selectedRole">
           Application Manager Panel
       </li>
       <li>
            <input type="checkbox" name="selectedRole">
            Client Role
             <ul>
               <li>
                   <input type="checkbox" name="selectedRole">
                   Client Task 1
                </li>
                <li>
                   <input type="checkbox" name="selectedRole">
                    Client Task 2
                </li>
                   
                 </ul>
              </li>
         
          <li>
            <input type="checkbox" name="selectedRole">
            Client Role
             <ul>
               <li>
                   <input type="checkbox" name="selectedRole">
                   Client Task 1
                </li>
                <li>
                   <input type="checkbox" name="selectedRole">
                    Client Task 2
                </li>
                   
             
           </ul>
       </li>

</ul>

JavaScript

jQuery.each(jQuery('#treeList ul li').find(':checkbox'),  function(){
    jQuery(this).change(function (){
        if (jQuery(this).is(':checked')) {
                      jQuery(this).parentsUntil('#treeList').siblings().filter('input:checkbox').attr('checked', true).trigger('change');
        }else{
            
            jQuery(this).parents('ul:first').siblings('input:checkbox').prop('checked', $(this).parent().siblings().children('input:checked').length).trigger('change');
        }        
    });    
});