website/web/static/js/bulma.js

// Hamburger menu script for mobile.
document.addEventListener('DOMContentLoaded', () => {

  // Get all "navbar-burger" elements
  const $navbarBurgers = Array.prototype.slice.call(document.querySelectorAll('.navbar-burger'), 0);

  // Add a click event on each of them
  $navbarBurgers.forEach( el => {
    el.addEventListener('click', () => {

      // Get the target from the "data-target" attribute
      const target = el.dataset.target;
      const $target = document.getElementById(target);

      // Toggle the "is-active" class on both the "navbar-burger" and the "navbar-menu"
      el.classList.toggle('is-active');
      $target.classList.toggle('is-active');

    });
  });

  // Common event handlers for bulma modals.
  (document.querySelectorAll(".modal-background, .modal-close, .photo-modal") || []).forEach(node => {
    const target = node.closest(".modal");
    node.addEventListener("click", () => {
      target.classList.remove("is-active");
    })
  })
});