text: /**
   * File skip-link-focus-fix.js.
   *
   * Helps with accessibility for keyboard only users.
   *
   * This is the source file for what is minified in the twenty_twenty_one_skip_link_focus_fix() PHP function.
   *
   * Learn more: https://git.io/vWdr2
   */
  ( function() {
  	var isIe = /(trident|msie)/i.test( navigator.userAgent );
  
  	if ( isIe && document.getElementById && window.addEventListener ) {
  		window.addEventListener( 'hashchange', function() {
  			var id = location.hash.substring( 1 ),
  				element;
  
  			if ( ! ( /^[A-z0-9_-]+$/.test( id ) ) ) {
  				return;
  			}
  
  			element = document.getElementById( id );
  
  			if ( element ) {
  				if ( ! ( /^(?:a|select|input|button|textarea)$/i.test( element.tagName ) ) ) {
  					element.tabIndex = -1;
  				}
  
  				element.focus();
  			}
  		}, false );
  	}
  }() );
  