https://svamc.org/wp-content/themes/consultancy/js/skip-link-focus-fix.js?ver=7.1.2

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