https://www.ravintolabank.fi/wp-content/themes/noho0510/js/submenu-toggle.js?ver=1.0.0

1/**
2 * Function to toggle submenu items visible.
3 */
4
5( function() {
6  const siteNavigation = document.getElementById( 'navigation' ) || document.getElementById( 'hamburger-menu-navigation' );
7  const menu = siteNavigation.getElementsByTagName( 'ul' )[ 0 ];
8  const dropdownButton = menu.querySelectorAll( '.dropdown-button');
9
10  dropdownButton.forEach(function(button) {
11  if (button.parentElement.classList.contains('current-menu-item') || button.parentElement.classList.contains('current-menu-ancestor')){
12    button.setAttribute( 'aria-expanded', 'true' );
13    button.classList.add( 'toggled' );
14    button.nextElementSibling.classList.add('open');
15  }
16
17  // Toggle the .toggled class and the aria-expanded value each time the button is clicked.
18  button.addEventListener( 'click', function(event) {
19    button.classList.toggle( 'toggled' );
20    button.nextElementSibling.classList.toggle('open');
21
22    if ( button.getAttribute( 'aria-expanded' ) === 'true' ) {
23      button.setAttribute( 'aria-expanded', 'false' );
24    } else {
25      button.setAttribute( 'aria-expanded', 'true' );
26    }
27  } );
28})
29}() );