- HTML代码
1 <html>2 <head>3 ????<title>时间</title>4 ????<meta charset="utf-8">5 </head>6 <body onload="getTime()">7 ????<span id="nowDateTimeSpan" ></span> 8 </body>9 </html>
- js代码
//时间function getTime(){ ???var ndate = new Date(); ???var nyear = ndate.getFullYear(); ???var nmonth = ndate.getMonth()+1; ???var nday = ndate.getDate(); ????var nhour = ndate.getHours(); ???var nminute = ndate.getMinutes(); ???var nsecond = ndate.getSeconds(); ???// 如果分钟或小时的值小于10，则在其值前加0，比如如果时间是下午3点20分9秒的话，则显示15：20：09 ???nmonth=checkTime(nmonth); ???nday=checkTime(nday); ???nminute=checkTime(nminute); ??????nsecond=checkTime(nsecond); ???????document.getElementById(‘nowDateTimeSpan‘).innerHTML=nyear+"-"+nmonth+"-"+nday+" "+nhour+":"+nminute+":"+nsecond; ???document.getElementById(‘nowDateTimeSpan1‘).innerHTML=nyear+"-"+nmonth+"-"+nday+" "+nhour+":"+nminute+":"+nsecond; ???document.getElementById(‘nowDateTimeSpan2‘).innerHTML=nyear+"-"+nmonth+"-"+nday+" "+nhour+":"+nminute+":"+nsecond; ???document.getElementById(‘nowDateTimeSpan3‘).innerHTML=nyear+"-"+nmonth+"-"+nday+" "+nhour+":"+nminute+":"+nsecond; ???document.getElementById(‘nowDateTimeSpan4‘).innerHTML=nyear+"-"+nmonth+"-"+nday+" "+nhour+":"+nminute+":"+nsecond; ??????//setTimeout(‘getTime()‘,1000);//每一秒中重新加载startTime()方法 ???function checkTime(i){ ??????????if (i<10){ ???????????i="0" + i; ???????} ??????????return i; ???}}js实现本地时间同步
原文地址：http://www.cnblogs.com/Mhang/p/7434917.html