js代码

<script src="js/unslider.min.js"></script>
<script>
$(document).ready(function(e) {
	var progress = $(".progress"),li_width = $("#b04 li").length;
    var unslider04 = $('#b04').unslider({
		dots: true,
		complete:function(index){//自己添加的，官方没有
			progress.animate({"width":(100/li_width)*(index+1)+"%"});
		}
	}),

	data04 = unslider04.data('unslider');
	$('.unslider-arrow04').click(function() {
        var fn = this.className.split(' ')[1];
        data04[fn]();
    });
});
</script>