天易01----js实现定时关闭网页并动态显示时间<html><head><title>title</title><script type="text/javascript">var left = 5;function show(){var showtime = document.getElementById("showtime");showtime.innerHTML = "此页面将在"+left + "秒后自动关闭页面" ;left--;if(left == 0){ window.opener=null; window.close();}else{ setTimeout("show()", 1000);}}</script></head> <body onload="show()">//注意body里的onload属性<center><div id="showtime"></div></center></body></html>
