https://twenty20wiki.com/wp-content/themes/ample-magazine/js/skip-link-focus-fix_ver-20151215.js

1var _____WB$wombat$assign$function_____=function(name){return (self._wb_wombat && self._wb_wombat.local_init && self._wb_wombat.local_init(name))||self[name];};if(!self.__WB_pmw){self.__WB_pmw=function(obj){this.__WB_source=obj;return this;}}{
2let window = _____WB$wombat$assign$function_____("window");
3let self = _____WB$wombat$assign$function_____("self");
4let document = _____WB$wombat$assign$function_____("document");
5let location = _____WB$wombat$assign$function_____("location");
6let top = _____WB$wombat$assign$function_____("top");
7let parent = _____WB$wombat$assign$function_____("parent");
8let frames = _____WB$wombat$assign$function_____("frames");
9let opens = _____WB$wombat$assign$function_____("opens");
10/**
11 * File skip-link-focus-fix.js.
12 *
13 * Helps with accessibility for keyboard only users.
14 *
15 * Learn more: https://git.io/vWdr2
16 */
17(function () {
18	var isIe = /(trident|msie)/i.test(navigator.userAgent);
19
20	if (isIe && document.getElementById && window.addEventListener) {
21		window.addEventListener('hashchange', function () {
22			var id = location.hash.substring(1),
23				element;
24
25			if (!( /^[A-z0-9_-]+$/.test(id) )) {
26				return;
27			}
28
29			element = document.getElementById(id);
30
31			if (element) {
32				if (!( /^(?:a|select|input|button|textarea)$/i.test(element.tagName) )) {
33					element.tabIndex = -1;
34				}
35
36				element.focus();
37			}
38		}, false);
39	}
40})();
41
42}