如何在单击时关闭菜单

<button id="menuButton">菜单</button>
<ul id="menu" class="hidden">
  <li>选项1</li>
  <li>选项2</li>
  <li>选项3</li>
</ul>

.hidden {
  display: none;
}

const menuButton = document.getElementById('menuButton');
const menu = document.getElementById('menu');

menuButton.addEventListener('click', function() {
  menu.classList.toggle('hidden');
});