LIst Sub Selector.js

listsubselect.js

var listSubSelector = function(){
    "use strict";
    $('body').on('click','li input', function(){
        var $this = $(this);
        if ($this.attr('checked')){
            $this.parentsUntil('ul').find('input[type="checkbox"]').attr('checked',true);

        }else{
            $this.parentsUntil('li').find('input[type="checkbox"]').attr('checked',false);
            $this.parents('.description').find('input[type="checkbox"]:first').attr('checked',false);
        }
    });
};