<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
*{
margin: 0;
padding: 0;
position: relative;
}
#imgList{
height: 430px;
text-align: center;
}
#c li{
float: left;
margin: 20px;
}
#c{
position: absolute;
left: 45%;
bottom: 6px;
font-size: 40px;
color: sandybrown;
}
</style>
</head>
<body>
<div id="imgList">
<img id="img1" src="img/slide-1.jpg"/>
<ul id="c">
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
</div>
</body>
</html>
<script type="text/javascript">
//图片地址列表
var imageArray = ["img/slide-1.jpg", "img/slide-2.jpg", "img/slide-3.jpg", "img/slide-4.jpg"]
//获取所有的li标签
var cNodelist = document.getElementsByTagName('li')
//获取img
var imgNode = document.getElementById('img1')
//定义带自动切换图片功能的计时器
change = function(){
var num = 0
imgChange = window.setInterval(function(){
console.log()
if(num == 4){
num = -1
num++
}else{
imgNode.src = imageArray[num]
console.log(num)
num++
}
},4000)
}
//生成2个计时器
change()
var newchange = change() //这个是什么?
cNodelist[0].onmouseover = function(){
window.clearInterval(imgChange)
imgNode.src = imageArray[0]
}
cNodelist[1].onmouseover = function(){
window.clearInterval(imgChange)
imgNode.src = imageArray[1]
}
cNodelist[2].onmouseover = function(){
window.clearInterval(imgChange)
imgNode.src = imageArray[2]
}
cNodelist[3].onmouseover = function(){
window.clearInterval(imgChange)
imgNode.src = imageArray[3]
}
</script>
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