JSFiddle - React, Tailwind, and code Playground

by hotdiggity

HTML

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>jQuery Toggle Opacity</title>
    <script type="text" src="http://code.jquery.com/jquery-1.8.3.min.js"></script>
</head>

<body>
<ul class="list">
    <li><a href="#">Subcategory</a></li>
    <li id="id-1" class="expandable"><a href="#">Subcategory - Click this one</a>
      <ul>
            <li>Sub menu item 1</li>
            <li>Sub menu item 2</li>
            <li>Sub menu item 3</li>
            <li>Sub menu item 4</li>
            <li>Sub menu item 5</li>
            <li>Sub menu item 6</li>
       </ul></li>
        <li><a href="#">Subcategory</a></li>
        <li><a href="#">Subcategory</a></li>
    </ul>
</body>
</html>

JavaScript

$(document).ready(function(){
    $('.list li.expandable ul').hide();
    $('.list li.expandable ul li').css({ opacity: 0 });;
    $('.expandable').click(function(){
        $('#id-1.expandable ul').slideToggle('slow');
//      $(this).toggleClass('toggle-arrow');
        $(this).toggle(function() {
//            $('.list li.expandable ul li').stop();
            $('.list li.expandable ul li').fadeTo(2000,1);
            return false;
              },
        function() {
//            $('.list li.expandable ul li').stop();
            $('.list li.expandable ul li').fadeTo(2000,0).delay(500);
            return false;
         }); 
        return false;
    });
});