javascript中怎样在页面实现显示当前系统时间，并且要每时每刻都要刷新
如题：在客户端显示当前系统时间 如 ：2011/11/6 14:55 并且要与系统时间同步的那种
[解决办法]
<!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>demo</title> <script > window.onload=function(){ showTime(); } var showTime =function(){ var nowTime = new Date(); document.getElementById("msg").innerHTML = nowTime; setTimeout("getTime()",100); }</script></head><body> <div id="msg">sdf </div></body></html>
[解决办法]
setTimeout("getTime()",100);
=>
setTimeout("showTime()",100);
写快了 。
[解决办法]
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html xmlns="http://www.w3.org/1999/xhtml"><head><script>function displayDateTime(XelementID) { var myDate = new Date(); var year = myDate.getFullYear(); var month = myDate.getMonth() + 1; var date = myDate.getDate(); var day = myDate.getDay(); switch (day) { case 0: day = "星期日"; break; case 1: day = "星期一"; break; case 2: day = "星期二"; break; case 3: day = "星期三"; break; case 4: day = "星期四"; break; case 5: day = "星期五"; break; case 6: day = "星期六"; break; } var hour = myDate.getHours(); var minute = myDate.getMinutes(); var second = myDate.getSeconds(); if (hour < 10) hour = "0" + hour; if (minute < 10) minute = "0" + minute; if (second < 10) second = "0" + second; var displayValue = year + "年" + month + "月" + date + "日" + " " + day + " " + hour + ":" + minute + ":" + second; document.getElementById(XelementID).innerHTML = displayValue; var t = setTimeout(function(){displayDateTime(XelementID);}, 500);}</script></head><body> <div id="div1"></div> <script>displayDateTime("div1")</script></body></html>