JS 實現倒計時數字時鐘效果【附執行個體代碼】,js執行個體

來源:互聯網
上載者:User

JS 實現倒計時數字時鐘效果【附執行個體代碼】,js執行個體

這篇文章主要介紹了JS實現的網頁倒計時數字時鐘效果,是一款非常實用的javascript倒計時特效,具有一定參考借鑒價值,需要的朋友可以參考下

本文執行個體講述了JS實現的網頁倒計時數字時鐘效果。分享給大家供大家參考。具體實現方法如下:

<!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>javascript實現的倒計時時鐘</title><style>body,div{margin:0;padding:0;}body{color:#fff;font:16px/1.5 \5fae\8f6f\96c5\9ed1;}#countdown{width:300px;text-align:center;background:#1a1a1a;margin:10px auto;padding:20px 0;}input{border:0;width:283px;height:50px;cursor:pointer;margin-top:20px;background:url(http://www.bkjia.com/jscss/demoimg/201210/btn-1.png) no-repeat;}input.cancel{background-position:0 -50px;}span{color:#000;width:80px;line-height:2;background:#fbfbfb;border:2px solid #b4b4b4;margin:0 10px;padding:0 10px;}</style><script>window.onload = function (){var oCountDown = document.getElementById("countdown");var aInput = oCountDown.getElementsByTagName("input")[0];var timer = null;aInput.onclick = function (){this.className == "" ? (timer = setInterval(updateTime, 1000), updateTime()) : (clearInterval(timer));this.className = this.className == '' ? "cancel" : '';};function format(a){return a.toString().replace(/^(\d)$/,'0$1')}function updateTime (){var aSpan = oCountDown.getElementsByTagName("span");var oRemain = aSpan[0].innerHTML.replace(/^0/,'') * 60 + parseInt(aSpan[1].innerHTML.replace(/^0/,''));if(oRemain <= 0){clearInterval(timer);return}oRemain--;aSpan[0].innerHTML = format(parseInt(oRemain / 60));oRemain %= 60;aSpan[1].innerHTML = format(parseInt(oRemain));}}</script></head><body><div id="countdown"><span>01</span>分鐘<span>40</span>秒<input type="button" value="" /></div>碼農教程 www.manongjc.com 代碼特效</body></html>

以上這篇JS 實現倒計時數字時鐘效果【附執行個體代碼】就是小編分享給大家的全部內容了,希望能給大家一個參考,也希望大家多多支援幫客之家。

聯繫我們

該頁面正文內容均來源於網絡整理,並不代表阿里雲官方的觀點,該頁面所提到的產品和服務也與阿里云無關,如果該頁面內容對您造成了困擾,歡迎寫郵件給我們,收到郵件我們將在5個工作日內處理。

如果您發現本社區中有涉嫌抄襲的內容,歡迎發送郵件至: info-contact@alibabacloud.com 進行舉報並提供相關證據,工作人員會在 5 個工作天內聯絡您,一經查實,本站將立刻刪除涉嫌侵權內容。

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.