今天发表一个自己刚学js的练习，javascript五图轮播切换---实用版，这个实力有个缺陷就是没有过渡效果，这个本人也还在研究中，也希望高手可以指点一下
复制代码 代码如下:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gbk">
<title>测试</title>
<meta content="ximan">
<meta content="">
<meta content="">
<link type="text/css" href="https://www.jb51.net/index.css">
</head>
<body>
<div>
<ul>
<li>
</li>
<li>
</li>
<li>
</li>
<li>
</li>
<li>
</li>
</ul>
<ul>
<li>
<a href="#">
<img src="https://www.jb51.net/pailabi_shop1.jpg" alt="哈哈哈" />
</a>
</li>
<li>
<a href="#">
<img src="https://www.jb51.net/pailabi_shop2.jpg" alt="哈哈哈" />
</a>
</li>
<li>
<a href="#">
<img src="https://www.jb51.net/paila_shop3.jpg" alt="哈哈哈" />
</a>
</li>
<li>
<a href="#">
<img src="https://www.jb51.net/paila_shop4.jpg" alt="哈哈哈" />
</a>
</li>
<li>
<a href="#">
<img src="https://www.jb51.net/paila_shop5.jpg" alt="哈哈哈" />
</a>
</li>
</ul>
</div>
<script type="text/javascript">
</script>
<script type="text/javascript">
window.onload=function (){
var num = document.getElementById("num");
var num_li = document.getElementById("num").getElementsByTagName("li");
var img_box = document.getElementById("img_box");
var img_box_li = document.getElementById("img_box").getElementsByTagName("li");
var bliw = img_box_li[0].offsetWidth;
var n = 0;
img_box.style.left = 0
var autoscroll = setInterval(auto,3000);
for (var i = 0;i < num_li.length;i++){
num_li[i].onmouseover = function(){
clearInterval(autoscroll);
for (var i = 0;i < num_li.length;i++){
num_li[i].style.background = "";
if(num_li[i]==this){
this.style.background = "#f00";
slide(i);
}
}
}
num_li[i].onmouseout = function(){
for (var i = 0;i < num_li.length;i++){
if(num_li[i]==this){
n = i;
autoscroll = setInterval(auto,3000)
}
}
}
}
function slide(i){
img_box.style.left = -bliw*i + "px";
}
function auto(){
n++;
if(n == img_box_li.length){
n =0;
}
for (var i =0;i < num_li.length;i++){
num_li[i].style.background = "";
}
num_li[n].style.background = "#f00";
slide(n);
}
}
</script>
</body>
</html>
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