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為什么setTimeout(0不能支持1000mm以下的時(shí)間呀？還是我的程序有問(wèn)題？幫我看看是怎么了

JavaScript

慕森卡 2022-11-20 22:18:28

<title>秒表</title><script language="javascript">function showing(){// showFast();setInterval("showTime()",1000);}function showTime() //每一秒刷新一次 {mytime=new Date(); //創(chuàng)造一個(gè)時(shí)間對(duì)象比獲得他的時(shí)間元素year=mytime.getYear();date=mytime.getDate();month=mytime.getMonth();day=mytime.getDay();hours=mytime.getHours();minutes=mytime.getMinutes();seconds=mytime.getSeconds();temp="上午好";Astr=new String("");formatTime(hours.minutes,seconds);Astr+=("<font size='+1' color='red'>"+year+"年"+month+"月"+date+"日"+"星期"+(day+1)+"</font>");document.getElementById("lay3").innerHTML=Astr;Bstr="<font size='+1' color='red'>"+temp+hours+":"+minutes+":"+seconds+"</font>";document.getElementById("lay1").innerHTML=Bstr;for(s=0;s<100;++s) //從00到99循環(huán){setTimeout("",10);document.getElementById("lay2").innerText=s;// if(s<10) s="0"+s;// setTimeout("showI(s)",10);// if(s=99)s=0;}}function showI(s){document.getElementById("lay2").innerText=s;}function formatTime(){if(hours!=0&&hours<=7) //決定問(wèn)候語(yǔ)temp="早上好";else if(hours>7&&hours<11)temp="上午好";else if(hours>=11&&hours<13)temp="中午好";else if(hours>=13&&hours<=18)temp="下午好";else if(hours>18&&hours<24)temp="晚上好"; if(hours<=9)hours="0"+hours; //格式化時(shí)間使之以兩位數(shù)的格式顯示if(minutes<=9)minutes="0"+minutes;if(seconds<=9)seconds="0"+seconds; } /*function showFast(){for(s=0;s<100;s++){if(s<10) s="0"+s;setTimeout("showI(s)",10);// if(s=99)s=0;}} */</script> <style type="text/css"></style></head ><body onload="showing()"><span id="lay3"></span><span id="Lay1"></span><span id="lay2"></span></body></html>

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1 回答

海綿寶寶撒

TA貢獻(xiàn)1809條經(jīng)驗(yàn) 獲得超8個(gè)贊

可憐的孩子...辛苦你了, 寫了這么一大篇, 為了實(shí)現(xiàn)一個(gè)數(shù)字時(shí)鐘的功能...這讓我想起了我小時(shí)候...
你的錯(cuò)誤就在于:
<span id="Lay1"></span>及
document.getElementById("lay1")
發(fā)現(xiàn)沒(méi)有啊, 粗心的孩子, lay1兩處大小寫不一致呵...

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