JSFiddle - React, Tailwind, and code Playground

HTML

<nav>
  <ul class="menu-option-set">
    <li>
      <a href="#" data-subid="services">Services</a>
    </li>
    <li>
       <a href="#" data-subid="gallery">Gallery</a>
    </li>
    <li>
       <a href="#" data-subid="customer">Customer</a>
    </li>
  </ul>
</nav>
<div id="header-subnav">
  <nav>
    <ul id="services">
      <li <?php echo $bathroom ?>><a href="bathroom">Bathroom</a></li>
      <li <?php echo $kitchen ?>><a href="index.php">Kitchen</a></li>
      <li <?php echo $accessibility ?>><a href="index.php">Accessibility</a></li>
    </ul>
    <ul id="gallery">
      <li <?php echo $photo ?>><a href="gallery.php">Photo Gallery</a></li>
      <li <?php echo $project ?>><a href="project.php">Project Gallery</a></li>
    </ul>
    <ul id="customer">
      <li <?php echo $coupons ?>><a href="coupons.php">Coupons</a></li>
      <li <?php echo $testimonials ?>><a href="testimonials.php">Testimonials</a></li>
    </ul>
  <nav>
</div>

JavaScript

$(function() {
    $("#header-subnav ul").hide();
    $('.menu-option-set a').on('click', function() {
        var $s = $("#" + $(this).attr('data-subid'));                
        if($s.is(':hidden')) {
            $("#header-subnav ul").hide();
            $s.show();
        } else {
            $s.hide();
        }
    });
});