docs: function parseQueryStr(url) {
        if (!contains(url, '?')) return {};
        var queryStr = url.substring(url.lastIndexOf('?') + 1);
        if (queryStr === '') return {};
        var querys = queryStr.split('&'), params = {}, i = -1;
        while (++i < querys.length) {
          var kw = querys[i].split('=')
            , decode = decodeURIComponent;
          params[decode(kw[0])] = decode(kw[1] || '');
        }
        return params;
      }