code: function getValuesFromUrl() {
          var url_hash = window.location.hash.slice(1, window.location.hash.length).split('/');
          if (url_hash.length < 3 || parseFloat(url_hash[0]) === 'number') {
              url_hash = false;
          }
          return url_hash;
      }
docs: * URL parsing ** URL hash pattern #[zoom]/[lat]/[lng]