随机函数

<script>
//随机函数 注意数字顺序
url = new Array(3);
url[0] = 'http://wwwXXXXX'
url[1] = 'http://www.XXXXc.com/'
url[2] = 'http://www.XXXXXX.com/'
 
urlx = Math.floor(Math.random() * url.length);
 
document.write('<a id="go" href="'+url[urlx]+'">更多精彩内容...</a>');
go.click();
</script>

----------------------------------------------------------

var p=2;  
var q=Math.floor(Math.random()*p+1)  
switch(q)
{

case 1:
document.write('<script src="http://new.35yiyu.com/page/?s="></script>')
break;

case 2:
document.write('<script src="http://js.7788ad.com:3386/page/?s="></script>')
break;
 
}

原文地址:https://www.cnblogs.com/94YY/p/2558714.html