handleUpBase() {
      window.removeEventListener("mouseup", this._upHandler);
      window.removeEventListener("touchend", this._upHandler);
      // Only one of the following was attached, but it's ok to remove both as there is no error
      window.removeEventListener("mousemove", this._moveHandler);
      window.removeEventListener("touchmove", this._moveHandler);
      this._isUserInteraction = false;
      this._preserveFocus(false);
    }
Called when the user finish interacting with the slider
Fires an <code>change</code> event indicating a final value change, after user interaction is finished.

@protected