src/jquery.nstSlider.js
function () {
            var $this = this,
                settings = $this.data('settings'),
                $leftGrip = $this.find(settings.left_grip_selector);

            //
            // double grips sliders is probably the most common case...
            // ... also, the values to be set in the two cases are quite
            // different.
            //
            if ($this.data('has_right_grip')) {

                var $rightGrip = $this.find(settings.right_grip_selector);

                //
                // grips are mutually binding their max/min values when 2 grips
                // are present. For example, we should imagine the left grip as
                // being constrained between [ rangeMin, valueMax ]
                //
                $leftGrip
                    .attr('aria-valuemin', $this.data('range_min'))
                    .attr('aria-valuenow', methods.get_current_min_value.call($this))
                    .attr('aria-valuemax', methods.get_current_max_value.call($this));

                $rightGrip
                    .attr('aria-valuemin', methods.get_current_min_value.call($this))
                    .attr('aria-valuenow', methods.get_current_max_value.call($this))
                    .attr('aria-valuemax', $this.data('range_max'));
            }
            else {
                $leftGrip
                    .attr('aria-valuemin', $this.data('range_min'))
                    .attr('aria-valuenow', methods.get_current_min_value.call($this))
                    .attr('aria-valuemax', $this.data('range_max'));
            }

            return $this;
         }
function () {
            var $this = this,
                settings = $this.data('settings'),
                $leftGrip = $this.find(settings.left_grip_selector);

            //
            // double grips sliders is probably the most common case...
            // ... also, the values to be set in the two cases are quite
            // different.
            //
            if ($this.data('has_right_grip')) {

                var $rightGrip = $this.find(settings.right_grip_selector);

                //
                // grips are mutually binding their max/min values when 2 grips
                // are present. For example, we should imagine the left grip as
                // being constrained between [ rangeMin, valueMax ]
                //
                $leftGrip
                    .attr('aria-valuemin', $this.data('range_min'))
                    .attr('aria-valuenow', methods.get_current_min_value.call($this))
                    .attr('aria-valuemax', methods.get_current_max_value.call($this));

                $rightGrip
                    .attr('aria-valuemin', methods.get_current_min_value.call($this))
                    .attr('aria-valuenow', methods.get_current_max_value.call($this))
                    .attr('aria-valuemax', $this.data('range_max'));
            }
            else {
                $leftGrip
                    .attr('aria-valuemin', $this.data('range_min'))
                    .attr('aria-valuenow', methods.get_current_min_value.call($this))
                    .attr('aria-valuemax', $this.data('range_max'));
            }

            return $this;
         }
/*
Update aria attributes of the slider based on the current
configuration of the slider.