<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title> 广告图片轮播切换</title>
<link rel="stylesheet" href="css/style.css">
<script type="text/javascript" src="js/jquery-3.2.1.min.js"></script>
<script type="text/javascript" src="js/index.js"></script>
</head>
<body>
<div class="ad">
<ul class="num">
<li>1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
<li>6</li>
</ul>
<div class="arrowLeft"><</div>
<div class="arrowRight">></div>
</div>
</body>
</html>