<!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> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>简易网页时钟</title> <style> body,div{margin:0;padding:0;} body{color:#fff;font:16px/1.5 5fae8f6f96c59ed1;} #clock{width:300px;text-align:center;background:#1a1a1a;margin:10px auto;padding:20px 0;} span{color:#000;width:80px;line-height:2;background:#fbfbfb;border:2px solid #b4b4b4;margin:0 10px;padding:0 10px;} </style> <script> window.onload = function () { var oClock = document.getElementById("clock"); var aSpan = oClock.getElementsByTagName("span"); setInterval(getTimes, 1000); getTimes(); function getTimes () { var oDate = new Date(); var aDate = [oDate.getHours(), oDate.getMinutes(), oDate.getSeconds()]; for (var i in aDate) aSpan[i].innerHTML = format(aDate[i]) } function format(a) { return a.toString().replace(/^(d)$/, "0$1") } } </script> </head> <body> <div id="clock"> <span></span>点<span></span>分<span></span>秒 </div> </body> </html>