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HarmonyOS
1.练习定时器来实现照片的无缝滚动，但是按照视频的思路来做弄了很久也不知道哪里出了问题，各位大神帮忙看看呗
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style type="text/css">
*{margin: 0px;
padding:0px;
}
#div1 ul li{
list-style:none;
float:left;
}
#div1{
width: 800px;
height: 150px;
background-color: red;
margin: 10px auto;
position:relative;
overflow: hidden;
}
#div ul{
position: absolute;
left:0;
top:0;
}
</style>
<script type="text/javascript">
window.onload=function () {
var oDiv=document.getElementById('div1');
var oUl=document.getElementsByTagName('ul')[0];
var aLi=document.getElementsByTagName('li');
oUl.innerHTML=oUl.innerHTML+oUl.innerHTML;
oUl.style.width=aLi[0].offsetWidth*aLi.length+'px';
setInterval(function(){
oUl.style.left=oUl.offsetLeft-2+'px';
},30);
};
</script></head>
<body>
<div id="div1">
<ul>
<li><img src="img2/1.jpg" width="200px" height="150px"></li>
<li><img src="img2/2.jpg" width="200px" height="150px"></li>
<li><img src="img2/3.jpg" width="200px" height="150px"></li>
<li><img src="img2/4.jpg" width="200px" height="150px"></li>
</ul></div>
</body>
</html>
ul定位问题，你的样式中#div1写成了#div