<!DOCTYPE html>
<head>
<meta charset="UTF-8">
<title>图片轮播</title>
<style type="text/css">
div{
width:900px;
height:400px;
margin:0 auto;
}
div img{
width:900px;
height:400px;
}
</style>
<script type="text/javascript">
window.setTimeout(changeImg,2000);
function changeImg(){
myimg = document.getElementById("myimg");
myimg.src = "img/2.png";
}
</script>
</head>
<body>
<div>
<img src="img/1.png" id="myimg" />
</div>
</body>
</html>
