標籤：lang oat win int null over 速度 內容 weight
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>23333</title>
<style>
*{
margin: 0;
padding: 0;
}
ul,li{
list-style: none;
}
.warp{
height: 150px;
width: 616px;
margin: 50px auto;
overflow: hidden;
background-color: red;
position: relative;
}
.imgs{
position: absolute;
}
.imgs li{
width: 150px;
height: 146px;
float: left;
margin: 2px;
cursor: pointer;
background-color: yellow;
}
</style>
</head>
<body>
<div class="warp">
<ul id="imgs" class="imgs">
<li>1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
</ul>
</div>
<script type="text/javascript">
window.onload=function () {
var margin=4;//元素間距
var speed=-5;//左移速度（右移為正）
var timer=null;//定時器
var oUl=document.getElementById("imgs");
var aLi=oUl.getElementsByTagName("li");
var liWidth=aLi[0].offsetWidth+margin;//li寬度
var liCount=aLi.length;//li個數
oUl.innerHTML+=oUl.innerHTML;//複製內容追加
oUl.style.width=liWidth*aLi.length+‘px‘;
oUl.style.height=liWidth+‘px‘;
timer=setInterval(function(){
//向左移動判斷
if(Math.abs(oUl.offsetLeft)>=liWidth*liCount){
oUl.style.left="0px"; }
//向右的判斷
//if(Math.abs(oUl.offsetLeft)==0){
// oUl.style.left=-liCount*liWidth+‘px‘;
// }
oUl.style.left=oUl.offsetLeft+speed+‘px‘;
},100);
oUl.onmouseover=function(){
clearInterval(timer);
};
oUl.onmouseout=function(){
timer=setInterval(function(){
if(Math.abs(oUl.offsetLeft)>=liWidth*liCount){
oUl.style.left="0px";
}
oUl.style.left=oUl.offsetLeft+speed+‘px‘;
},100)
}
}
</script>
js實現無縫輪播
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