![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Correction status：Uncorrected
Teacher's comments：
Collection
Collection
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>javaScript-轮播</title>
<style type="text/css">
div{
width:500px;height: 300px;
margin: 50px auto;
overflow: hidden;
position: relative;
}
img{
width: 500px;
height: 300px;
}
p{
color: #fff;
width: 500px;
height: 30px;
position: absolute; bottom: 0;left: 0;z-index: 1000;
text-align: center;
line-height: 30px;
}
p span{
display: inline-block;
width: 20px;
height: 20px;
text-align: center;
background-color: rgba(254,254,254,0.6);
border-radius: 50%;
line-height: 20px;
cursor: pointer;
}
</style>
</head>
<body>
<div id='photo'>
<!-- 图片列表 -->
<a href=""><img src="images/1.jpg"></a>
<a href=""><img src="images/2.jpg"></a>
<a href=""><img src="images/3.jpg"></a>
<a href=""><img src="images/4.jpg"></a>
<a href=""><img src="images/5.jpg"></a>
<!-- 图片按钮 -->
<p>
<span onclick="change(0);">1</span>
<span onclick="change(1);">2</span>
<span onclick="change(2);">3</span>
<span onclick="change(3);">4</span>
<span onclick="change(4);">5</span>
</p>
</div>
<script type="text/javascript">
function change(num){
var obj=document.getElementById('photo');
var obj_a=obj.getElementsByTagName('a');
// 隐藏a链接
for(var i=0;i<obj_a.length;i++){
obj_a[i].style.display='none';
}
obj_a[num].style.display='block';
}
</script>
</body>
</html>点击 "运行实例" 按钮查看在线实例
