if(mode === 'stickyHeight' || mode === 'stickyLeft' || mode === 'stickyRight') {
      const w = width;
      width = clientWidth * height / clientHeight;
      if(mode === 'stickyHeight') this.options.left = 0.5 * (width - w);
      if(mode === 'stickyRight') this.options.left = width - w;