value">50</div>
        </div>
    </div>
</div>
<script type="text/javascript">
    $(function(){
        var $sliderTrack = $('#sliderTrack'),
            $sliderHandler = $('#sliderHandler'),
            $sliderValue = $('#sliderValue');

        var totalLen = $('#sliderInner').width(),
            startLeft = 0,
            startX = 0;

        $sliderHandler
            .on('touchstart', function (e) {
                startLeft = parseInt($sliderHandler.css('left')) * totalLen / 100;
                s