https://www.abhijna-emuseum.com/wp-content/themes/colormag/js/navigation.js?ver=6.6.9

1/**
2 * navigation.js
3 *
4 * Handles toggling the navigation menu for small screens.
5 */
6( function() {
7	var container, button, menu;
8
9	container = document.getElementById( 'site-navigation' );
10	if ( ! container ) {
11		return;
12	}
13
14	button = container.getElementsByTagName( 'h4' )[0];
15	if ( 'undefined' === typeof button ) {
16		return;
17	}
18
19	menu = container.getElementsByTagName( 'ul' )[0];
20
21	// Hide menu toggle button if menu is empty and return early.
22	if ( 'undefined' === typeof menu ) {
23		button.style.display = 'none';
24		return;
25	}
26
27	if ( -1 === menu.className.indexOf( 'nav-menu' ) ) {
28		menu.className += 'nav-menu';
29	}
30
31	button.onclick = function() {
32		if ( -1 !== container.className.indexOf( 'main-small-navigation' ) ) {
33			container.className = container.className.replace( 'main-small-navigation', 'main-navigation' );
34		} else {
35			container.className = container.className.replace( 'main-navigation', 'main-small-navigation' );
36		}
37	};
38} )();
39
40( function() {
41	var container, button, menu;
42
43	container = document.getElementById( 'top-site-navigation' );
44	if ( ! container ) {
45		return;
46	}
47
48	button = container.getElementsByTagName( 'h3' )[0];
49	if ( 'undefined' === typeof button ) {
50		return;
51	}
52
53	menu = container.getElementsByTagName( 'ul' )[0];
54
55	// Hide menu toggle button if menu is empty and return early.
56	if ( 'undefined' === typeof menu ) {
57		button.style.display = 'none';
58		return;
59	}
60
61	if ( -1 === menu.className.indexOf( 'nav-menu' ) ) {
62		menu.className += 'nav-menu';
63	}
64
65	button.onclick = function() {
66		if ( -1 !== container.className.indexOf( 'mobile-small-menu' ) ) {
67			container.className = container.className.replace( 'mobile-small-menu', 'small-menu' );
68		} else {
69			container.className = container.className.replace( 'small-menu', 'mobile-small-menu' );
70		}
71	};
72} )();