动态生成span
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
<style type="text/css">
*{
margin: 0;
padding: 0;
}
.box{
width: 730px;
height: 454px;
margin: 100px auto;
overflow: hidden;
list-style: none;
position: relative;
}
.spanbox{
width: 200px;
height: 30px;
margin-top: -2350px;
margin-left: 300px;
position: absolute;
}
.spanbox span{
width: 18px;
height: 18px;
background-color: pink;
border-radius: 50%;
text-align: center;
line-height: 18px;
cursor: pointer;
display:inline-block;
}
</style>
<script>
window.onload = function(){
var box = document.getElementById('box');
var lis = document.getElementsByTagName('li');
var spanbox = document.createElement('div');
spanbox.className = 'spanbox';
box.appendChild(spanbox);
for(var i=0;i<lis.length;i++){
var span = document.createElement('span');
span.innerHTML = i+1;
spanbox.appendChild(span);
}
}
</script>
</head>
<body>
<div class="box" id="box">
<ul>
<li><img src="img/111.jpg" /> </li>
<li><img src="img/22.jpg" /> </li>
<li><img src="img/33.jpg" /> </li>
<li><img src="img/44.jpg" /> </li>
<li><img src="img/55.jpg" /> </li>
<li><img src="img/66.jpg" /> </li>
</ul>
<!--<div class="spandiv">
<span></span>
<span></span>
<span></span>
<span></span>
<span></span>
<span></span>
</div>-->
</div>
</body>
</html>
效果如图 只需要修改图片个数页码即可自动生成
