<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="jquery-2.2.3.min.js"></script>
<script src="jquery-ui.js"></script>
<script>
var x=0
setInterval(function(){
var Scrolltop=$(document).scrollTop()
if(x!=Scrolltop){alert(Scrolltop)
x=Scrolltop
}
},500)
</script>
</head>
<body>
<div style="height: 2000px"></div>
</body>
</html>
var datas = [{imgSrc:"(图片 )"},
{imgSrc:"(图片 )"},
{imgSrc:"(图片 )"},
{imgSrc:"(图片 )"},
{imgSrc:"(图片 )"},
{imgSrc:"(图片 )"}
]
var banner = document.getElementById("banner")
var list = document.getElementById("list")
for(var i = 0,len = datas.lengthi<leni++){
var div = document.createElement("div")
var li = document.createElement("li")
if(i==0){ //默认第一项轮播项显示 对应的控制按钮被选中
div.className = "item active"
li.className = "active"
}else{ //其他项隐藏 其他的控制按钮样式不改变
div.className = "item"
li.className = ""
}
div.innerHTML = '<a href="' + datas[i].targetSrc + '">' +
'<img src="' + datas[i].imgSrc + '" />' +
'</a>'
li.innerHTML = i + 1
banner.appendChild(div)
list.appendChild(li)
}
var lunBo = document.getElementById("lunBo")
var items = document.querySelectorAll("#lunBo #banner .item")
var lis = document.querySelectorAll("#lunBo #list li")
var currentIndex = 0//(控制按钮和轮播项共同的索引)
for(var i = 0,len = lis.lengthi<leni++){
lis[i].index = i
lis[i].onmouseenter = function(){
currentIndex = this.index
for(var j = 0j<lenj++){
lis[j].className = ""
items[j].className = "item"
}
this.className = "active"
items[this.index].className = "item active"
}
}
var termId //全局变量
function autoPlay(){
termId = setInterval(function(){
currentIndex++
if(currentIndex==lis.length){
currentIndex = 0
}
lis[currentIndex].onmouseenter()
},3000)
}
autoPlay()//打开页面自动轮播
//鼠标进入停止轮播
lunBo.onmouseenter = function(){
clearInterval(termId)
}
//鼠标离开继续轮播
lunBo.onmouseleave = function(){
autoPlay()
}
我这还有其他的,先采纳一下加我,我给你发
function showImg(index){var adWidth = $(".content_right .ad").width()
$(".slider").stop(true,false).animate({left : -adWidth*index},1000)
$(".num li").removeClass("on")
.eq(index).addClass("on")
}
当然你也要调整样式的