sS hjs_redirectRandomKeystrokesToAutofocusField() {
  ret hjs([[
    $(document).on( 'keydown', function(e) {
      var nodeName = ev.target.nodeName;
      if ( 'INPUT' == nodeName || 'TEXTAREA' == nodeName ) return;
    }
    $('[autofocus]').val('').trigger('focus');
  ]]);
}