jQuery数字滚动增加动画特效

js代码

<script type=\"text/javascript\" src=\"js/jquery.min.js\"></script>
<script type=\"text/javascript\" src=\"js/digitalScroll.js\"></script>
<script type=\"text/javascript\">
var sum = 13000;
$(function() {
	setInterval(function(){
		show_num1(sum)
	},1000);
});

function show_num1(n) {
	sum=sum+5;
	console.log(n);
	var it = $(\".t_num1 i\");
	var len = String(n).length;
	for(var i = 0; i < len; i++) {
		if(it.length <= i) {
			$(\".t_num1\").append(\"<i></i>\");
		}
		var num = String(n).charAt(i);
		//根据数字图片的高度设置相应的值
		var y = -parseInt(num) * 58;
		var obj = $(\".t_num1 i\").eq(i);
		obj.animate({
			backgroundPosition: \'(0 \' + String(y) + \'px)\'
		}, \'slow\', \'swing\', function() {});
	}
	$(\"#cur_num\").val(n);
}
</script>