https://medicidynasty.com/wp-content/themes/ultimate-mag/js/navigation.js?ver=1.0.5

1/**
2 * File navigation.js.
3 *
4 * Handles toggling the navigation menu for small screens and enables TAB key
5 * navigation support for dropdown menus.
6 */
7( function() {
8	const siteNavigation = document.getElementById( 'site-navigation' );
9
10		
11
12	// Return early if the navigation don't exist.
13	if ( ! siteNavigation ) {
14		return;
15	}
16
17	const menu = siteNavigation.getElementsByTagName( 'ul' )[ 0 ];
18
19	if ( ! menu.classList.contains( 'nav-menu' ) ) {
20		menu.classList.add( 'nav-menu' );
21	}
22
23	// Get all the link elements within the menu.
24	const links = menu.getElementsByTagName( 'a' );
25
26	// Get all the link elements with children within the menu.
27	const linksWithChildren = menu.querySelectorAll( '.menu-item-has-children > a, .page_item_has_children > a' );
28
29	// Toggle focus each time a menu link is focused or blurred.
30	for ( const link of links ) {
31		link.addEventListener( 'focus', toggleFocus, true );
32		link.addEventListener( 'blur', toggleFocus, true );
33	}
34
35	// Toggle focus each time a menu link with children receive a touch event.
36	for ( const link of linksWithChildren ) {
37		link.addEventListener( 'touchstart', toggleFocus, false );
38	}
39
40	/**
41	 * Sets or removes .focus class on an element.
42	 */
43	function toggleFocus() {
44		if ( event.type === 'focus' || event.type === 'blur' ) {
45			let self = this;
46			// Move up through the ancestors of the current link until we hit .nav-menu.
47			while ( ! self.classList.contains( 'nav-menu' ) ) {
48				// On li elements toggle the class .focus.
49				if ( 'li' === self.tagName.toLowerCase() ) {
50					
51				/*	if ( self.classList.contains( 'menu-item-has-children' ) ) {
52						self.classList.add( 'active-parent' );
53					}
54*/
55					self.classList.toggle( 'focus' );
56				}
57				self = self.parentNode;
58			}
59		}
60
61		if ( event.type === 'touchstart' ) {
62			const menuItem = this.parentNode;
63			event.preventDefault();
64			for ( const link of menuItem.parentNode.children ) {
65				if ( menuItem !== link ) {
66					link.classList.remove( 'focus' );
67				}
68			}
69			menuItem.classList.toggle( 'focus' );
70		}
71	}
72}() );