日期:2014-05-17 浏览次数:20779 次
<html>
<head>
<script>  
var aaa=['1.png','2.png','3.png'];  
var count = 0;  
function on_load(){        
document.body.style.background="url("+aaa[count]+")";    
if (++count == aaa.length)
{      count = 0;    
}  
}  setInterval("on_load()",1000);  
</script>
</head>
<body>
</body>
<html>
------解决方案--------------------
document.body.style.background="url("+aaa[count]+")";  
改成
document.getElementById("div的id").style.background="url("+aaa[count]+")";