2008-08-29 ___ 雑記 javascript:e=(d=document).createElement('p');p={position:'fixed',top:0,bottom:0,left:0,right:0};for(x in p)(s=e.style)[x]=p[x];d.body.appendChild(e);n=0;void setInterval(function(){s.backgroundColor=['red','green','blue'][n];n=++n%3},100)