_handleRangeInputMousemoveTouchmove() {
      if (this._mousedown) {
        if (!$(this.thumb).hasClass('active')) {
          this._showRangeBubble();
        }

        let offsetLeft = this._calcRangeOffset();
        $(this.thumb)
          .addClass('active')
          .css('left', offsetLeft + 'px');
        $(this.value).html(this.$el.val());
      }
    }
Handle Range Input, Mousemove and Touchmove