code: function renderPages(pair) {
      return range(pair[0], pair[1]).map(function (pageIndex, index) {
        var _this = this;
  
        return React.createElement(Page, {
          key: index,
          isActive: this.props.current === pageIndex,
          className: "btn-numbered-page",
          onClick: function onClick() {
            return _this.handlePageChanged(pageIndex);
          }
        }, pageIndex);
      }.bind(this));
    }
docs: ### renderPages()
  Renders block of pages' buttons with numbers.
  @param {Number[]} range - pair of [start, from], `from` - not inclusive.
  @return {React.Element[]} - array of React nodes.