<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtm
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>定时关闭的层</title><meta http-equiv="content-type" content="text/html;charset=gb2312"><style>#divbox{border:5px solid #0066cc;background:skyblue;padding:20px;font-size:22px;color:white;}</style><script language="javascript">function codefans(){var box=document.getElementById("divbox");box.style.display="none"; }setTimeout("codefans()",3000);//3秒</script></head><body><div id="divbox">本层会在3秒后消失</div></body></html>
