https://www.amyvoris.com/wp-content/themes/maker/assets/js/src/skip-link-focus-fix.js?ver=0.3.6

1/**
2 * skip-link-focus-fix.js
3 */
4( function() {
5	var is_webkit = navigator.userAgent.toLowerCase().indexOf( 'webkit' ) > -1;
6	var is_opera = navigator.userAgent.toLowerCase().indexOf( 'opera' ) > -1;
7	var is_ie = navigator.userAgent.toLowerCase().indexOf( 'msie' ) > -1;
8
9	if ( ( is_webkit || is_opera || is_ie ) && document.getElementById && window.addEventListener ) {
10		window.addEventListener( 'hashchange', function() {
11			var id = location.hash.substring( 1 );
12			var element;
13
14			if ( !( /^[A-z0-9_-]+$/.test( id ) ) ) {
15				return;
16			}
17
18			element = document.getElementById( id );
19
20			if ( element ) {
21				if ( !( /^(?:a|select|input|button|textarea)$/i.test( element.tagName ) ) ) {
22					element.tabIndex = -1;
23				}
24
25				element.focus();
26			}
27		}, false );
28	}
29} )();