set _scrollLeft(left) {
      if (this.scrollTarget === this._doc) {
        window.scrollTo(left, window.pageYOffset);
      } else if (this._isValidScrollTarget()) {
        this.scrollTarget.scrollLeft = left;
      }
    }
/**
     * Sets the number of pixels that the content of an element is scrolled to the
     * left.
     *
     * @type {number}
     */
Sets the number of pixels that the content of an element is scrolled to the
left.

@type {number}
Sets the number of pixels that the content of an element is scrolled to the left . @type { number }
set _scrollLeft(left) {
      if (this.scrollTarget === this._doc) {
        window.scrollTo(left, window.pageYOffset);
      } else if (this._isValidScrollTarget()) {
        this.scrollTarget.scrollLeft = left;
      }
    }
set _scrollLeft ( left ) { if ( this . scrollTarget === this . _doc ) { window . scrollTo ( left , window . pageYOffset ) ; } else if ( this . _isValidScrollTarget ( ) ) { this . scrollTarget . scrollLeft = left ; } }
Sets the number of pixels that the content of an element is scrolled to the
 left.
Sets the number of pixels that the content of an element is scrolled to the left .