HTML 随机加载CSS文件
<script language="JavaScript" type="text/javascript">
var cssurlarr = ["../css/yellow.css", "../css/blue.css", "../css/green.css"];
var cssurl = cssurlarr[Math.floor(Math.random()*cssurlarr.length)];
document.write('<link href="'+cssurl+'" rel="stylesheet" type="text/css">');
</script>
var cssurlarr = ["../css/yellow.css", "../css/blue.css", "../css/green.css"];
var cssurl = cssurlarr[Math.floor(Math.random()*cssurlarr.length)];
document.write('<link href="'+cssurl+'" rel="stylesheet" type="text/css">');
</script>
