谁能给我一个倒计时的代码啊?

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谁能给我一个倒计时的代码啊?像这个一样

第一种:精确到秒的javascript倒计时代码

html代码:

<form name="form1">
<div align="center" align="center">
<center>离2010年还有:<br>
<input type="textarea" name="left" size="35" style="text-align: center">
</center>
</div>
</form>
<script LANGUAGE="javascript">
startclock()
var timerID = null;
var timerRunning = false;
function showtime()
Today = new Date();
var NowHour = Today.getHours();
var NowMinute = Today.getMinutes();
var NowMonth = Today.getMonth();
var NowDate = Today.getDate();
var NowYear = Today.getYear();
var NowSecond = Today.getSeconds();
if (NowYear <2000)
NowYear=1900+NowYear;
Today = null;
Hourleft = 23 - NowHour
Minuteleft = 59 - NowMinute
Secondleft = 59 - NowSecond
Yearleft = 2009 - NowYear
Monthleft = 12 - NowMonth - 1
Dateleft = 31 - NowDate
if (Secondleft<0)

Secondleft=60+Secondleft;
Minuteleft=Minuteleft-1;

if (Minuteleft<0)

Minuteleft=60+Minuteleft;
Hourleft=Hourleft-1;

if (Hourleft<0)

Hourleft=24+Hourleft;
Dateleft=Dateleft-1;

if (Dateleft<0)

Dateleft=31+Dateleft;
Monthleft=Monthleft-1;

if (Monthleft<0)

Monthleft=12+Monthleft;
Yearleft=Yearleft-1;

Temp=Yearleft+\'年, \'+Monthleft+\'月, \'+Dateleft+\'天, \'+Hourleft+\'小时, \'+Minuteleft+\'分, \'+Secondleft+\'秒\'
document.form1.left.value=Temp;
timerID = setTimeout("showtime()",1000);
timerRunning = true;

var timerID = null;
var timerRunning = false;
function stopclock ()
if(timerRunning)
clearTimeout(timerID);
timerRunning = false;

function startclock ()
stopclock();
showtime();

// -->
</script>

第二种:某某运动会

HTML代码:
<!--倒计时Javascript begin-->
<script language="JavaScript">
<!--
function DigitalTime1()

var deadline= new Date("08/13/2007") //开幕倒计时
var symbol="8月13日"
var now = new Date()
var diff = -480 - now.getTimezoneOffset() //是北京时间和当地时间的时间差
var leave = (deadline.getTime() - now.getTime()) + diff*60000
var day = Math.floor(leave / (1000 * 60 * 60 * 24))
var hour = Math.floor(leave / (1000*3600)) - (day * 24)
var minute = Math.floor(leave / (1000*60)) - (day * 24 *60) - (hour * 60)
var second = Math.floor(leave / (1000)) - (day * 24 *60*60) - (hour * 60 * 60) - (minute*60)

var deadline_2= new Date("08/13/2004") //开幕后计时
var symbol_2="8月13日"
var now_2 = new Date()
var diff_2 = -480 - now.getTimezoneOffset() //是北京时间和当地时间的时间差
var leave_2 = (now_2.getTime() - deadline_2.getTime()) + diff_2*60000
var day_2 = Math.floor(leave_2 / (1000 * 60 * 60 * 24))
var hour_2 = Math.floor(leave_2 / (1000*3600)) - (day_2 * 24)
var minute_2 = Math.floor(leave_2 / (1000*60)) - (day_2 * 24 *60) - (hour_2 * 60)
var second_2 = Math.floor(leave_2 / (1000)) - (day_2 * 24 *60*60) - (hour_2 * 60 * 60) - (minute_2*60)

day=day+1;
day_2=day_2+1;

if (day>0) //还未开幕

//LiveClock1.innerHTML = "现在"+symbol+"天"
LiveClock1.innerHTML = "<font
setTimeout("DigitalTime1()",1000)


if (day<0) //已经开幕

//LiveClock1.innerHTML = "现在离"+symbol+"还有"+day+"天"+hour+"小时"+minute+"分"+second +"秒"
LiveClock1.innerHTML = "<font
setTimeout("DigitalTime1()",1000)



if (day==0) //正在开幕

//LiveClock1.innerHTML = "现在"+symbol+"天"
LiveClock1.innerHTML = "<font
setTimeout("DigitalTime1()",1000)


if (day<0 & day_2>19) //某某运动会结束

//LiveClock1.innerHTML = "现在离"+symbol+"还有"+day+"天"+hour+"小时"+minute+"分"+second +"秒"
LiveClock1.innerHTML = "<font
setTimeout("DigitalTime1()",1000)




// -->
</script>
<!--倒计时Javascript end-->
<body onload=DigitalTime1()>
<div id= LiveClock1></div>

</body> 第三种:小时倒计时

HTML代码:
<SCRIPT LANGUAGE="JavaScript">
<!--
var maxtime = 60*60 //一个小时,按秒计算,自己调整!
function CountDown()
if(maxtime>=0)
minutes = Math.floor(maxtime/60);
seconds = Math.floor(maxtime%60);
msg = "距离结束还有"+minutes+"分"+seconds+"秒";
document.all["timer"].innerHTML=msg;
if(maxtime == 5*60) alert(\'注意,还有5分钟!\');
--maxtime;

else
clearInterval(timer);
alert("时间到,结束!");


timer = setInterval("CountDown()",1000);
//-->
</SCRIPT>
<div id="timer" style="color:red"></div>

第四种:最简倒计时

HTML代码:
<Script Language="JavaScript">
<!-- Begin
  var timedate= new Date("January 14,2006");
  var times="研究生考试";
  var now = new Date();
  var date = timedate.getTime() - now.getTime();
  var time = Math.floor(date / (1000 * 60 * 60 * 24));
  if (time >= 0) ;
document.write("<li><font color=#DEDBDE>现在离2006年"+times+"还有: <font color=#ffffff><b>"+time +"</b></font> 天</font></li>");
// End -->
</Script>

第五种:最简倒计时二

HTML代码:
<script language="JavaScript" type="text/javascript">
function djs()
var urodz= new Date("11/12/2008"); 
var now = new Date();
var num
var ile = urodz.getTime() - now.getTime();  
var dni = Math.floor(ile / (1000 * 60 * 60 * 24));  
if (dni >1)  
num=dni+1
else if (dni == 1) num=2 
else if (dni == 0) num=1
else num=0 
document.write(num)  

</script>

距某某开幕式还有 [<script language="JavaScript" type="text/javascript">djs()</script>] 天
第五个:Javascript倒计时器 - 采用系统时间自校验
这次利用系统时间自校验倒计时, 无需手工调校使得倒计时更为精确, 代码及详细注释如下:

<span id="clock">00:01:11:00</span>
<input id="startB" type="button" value="start countdown!" onclick="run()">
<input id="endB" type="button" value="stop countdown!" onclick="stop()">
<br>
<input id="diff" type="text">
<input id="next" type="text">
<script language="Javascript">
/* This notice must be untouched at all times.

countdown.js v. 1.0
The latest version is available at
http://blog.csdn.net/yjgx007

Copyright (c) 2004 Xinyi.Chen. All rights reserved.
Created 7/30/2004 by Xinyi.Chen.
Web: http://blog.csdn.net/yjgx007
E-Mail: chenxinyi1978@hotmail.com
Last modified: 7/30/2004

This program is free software;
you can redistribute it and/or modify it under the terms of the
GNU General Public License as published by the Free Software Foundation;

See the GNU General Public License
at http://www.gnu.org/copyleft/gpl.html for more details.
*/
var normalelapse = 100;
var nextelapse = normalelapse;
var counter;
var startTime;
var start = clock.innerText;
var finish = "00:00:00:00";
var timer = null;

// 开始运行
function run()
startB.disabled = true;
endB.disabled = false;
counter = 0;
// 初始化开始时间
startTime = new Date().valueOf();

// nextelapse是定时时间, 初始时为100毫秒
// 注意setInterval函数: 时间逝去nextelapse(毫秒)后, onTimer才开始执行
timer = window.setInterval("onTimer()", nextelapse);


// 停止运行
function stop()
startB.disabled = false;
endB.disabled = true;
window.clearTimeout(timer);


window.onload = function()
endB.disabled = true;


// 倒计时函数
function onTimer()


if (start == finish)

window.clearInterval(timer);
alert("time is up!");
return;


var hms = new String(start).split(":");
var ms = new Number(hms[3]);
var s = new Number(hms[2]);
var m = new Number(hms[1]);
var h = new Number(hms[0]);

ms -= 10;
if (ms < 0)

ms = 90;
s -= 1;
if (s < 0)

s = 59;
m -= 1;


if (m < 0)

m = 59;
h -= 1;



var ms = ms < 10 ? ("0" + ms) : ms;
var ss = s < 10 ? ("0" + s) : s;
var sm = m < 10 ? ("0" + m) : m;
var sh = h < 10 ? ("0" + h) : h;

start = sh + ":" + sm + ":" + ss + ":" + ms;
clock.innerText = start;

// 清除上一次的定时器
window.clearInterval(timer);

// 自校验系统时间得到时间差, 并由此得到下次所启动的新定时器的时间nextelapse
counter++;
var counterSecs = counter * 100;
var elapseSecs = new Date().valueOf() - startTime;
var diffSecs = counterSecs - elapseSecs;
nextelapse = normalelapse + diffSecs;
diff.value = counterSecs + "-" + elapseSecs + "=" + diffSecs;
next.value = "nextelapse = " + nextelapse;
if (nextelapse < 0) nextelapse = 0;

// 启动新的定时器
timer = window.setInterval("onTimer()", nextelapse);

</script>
参考技术A 这个问题暂时不知道,希望你能找到好答案,需要建设网站找我低价 参考技术B 你要用什么语言写啊?

谁能给我简单的答案(代码)<一些简单的东西[关闭]

【中文标题】谁能给我简单的答案(代码)<一些简单的东西[关闭]【英文标题】:can anyone please give me simple answer (code) < something simple [closed] 【发布时间】:2014-04-26 21:08:03 【问题描述】:

我在编程中最多学到了我想要的所有东西,但我被这个小东西困住了,它很简单 这就是当您单击图像时我可以使图像不动的方法

我的意思是……

当您单击图像并按住图像并随光标移动光标时,图像将随光标移动 >>> 现在我想要的是如何使图像固定并且图像不受光标...你现在明白我了吗? ^^

请简单流畅地解释一下

非常感谢

【问题讨论】:

Disable dragging an image from an HTML page的可能重复 stop Chrome's click and hold / drag image default behavior的可能重复 你在之后失去了我“谁能给我简单的答案(代码)” "你现在明白我的意思了吗?^^"...呃,不是真的 请先生,我可以再给我一些....代码吗? 【参考方案1】:

即使你不值得……

img 
    -webkit-user-select: none; 
    -moz-user-select: none;    
    -ms-user-select: none;
    user-select: none;    

【讨论】:

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