JS显示当前日期

方法一：

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<span id=localtime></span><script type="text/javascript">function showLocale(objD){        var str,colorhead,colorfoot;var yy = objD.getYear();if(yy<1900) yy = yy+1900;var MM = objD.getMonth()+1;if(MM<10) MM = '0' + MM;var dd = objD.getDate();if(dd<10) dd = '0' + dd;var ww = objD.getDay();if  ( ww==0 )  colorhead="<font color=\"#cc0000\">";if  ( ww > 0 && ww < 6 )  colorhead="<font color=\"#cc0000\">";if  ( ww==6 )  colorhead="<font color=\"#cc0000\">";if  (ww==0)  ww="星期日";if  (ww==1)  ww="星期一";if  (ww==2)  ww="星期二";if  (ww==3)  ww="星期三";if  (ww==4)  ww="星期四";if  (ww==5)  ww="星期五";if  (ww==6)  ww="星期六";colorfoot="</font>"str = colorhead + yy + "年" + MM + "月" + dd + "日" + " " + ww + colorfoot;return(str);}function tick(){var today;today = new Date();document.getElementById("localtime").innerHTML = showLocale(today);window.setTimeout("tick()", 1000);}tick();</script>

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方法二：

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<span>今日：</span><script language="javascript">function isnArray(){        argnr=isnArray.arguments.length        for(var i=0;i<argnr;i++)        {                this[i+1]=isnArray.arguments[i];        }}var isnDays=new isnArray("星期一","星期二","星期三","星期四","星期五","星期六","星期日");isnDays[0]="星期日";mydate = new Date();myyear = mydate.getFullYear();mymonth = mydate.getMonth()+1;today = mydate.getDate();document.write(myyear+"年"+mymonth+"月"+today+"日");document.write(" ")document.write(isnDays[mydate.getDay()]);</script>