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本篇內(nèi)容主要講解“JS怎么實(shí)現(xiàn)倒計(jì)時(shí)功能”,感興趣的朋友不妨來(lái)看看。本文介紹的方法操作簡(jiǎn)單快捷,實(shí)用性強(qiáng)。下面就讓小編來(lái)帶大家學(xué)習(xí)“JS怎么實(shí)現(xiàn)倒計(jì)時(shí)功能”吧!
HTML代碼:
<div id="times_wrap" class="time_num"> 距離結(jié)束時(shí)間: <div class="time_w"> <b id="times_d" class="time"> </b>天 <b id="times_h" class="time"> </b>時(shí) <b id="times_m" class="time"> </b>分 <b id="times_s" class="time"> </b>秒 </div> </div>
JavaScript代碼:
<script type="text/javascript"> setTimeout("show_time()",1000); var time_wrap = document.getElementByIdx_x("times_wrap"); var time_d = document.getElementByIdx_x("times_d"); var time_h = document.getElementByIdx_x("times_h"); var time_m = document.getElementByIdx_x("times_m"); var time_s = document.getElementByIdx_x("times_s"); var time_end = new Date("2012/10/29 08:00:00"); // 設(shè)定結(jié)束時(shí)間 time_end = time_end.getTime(); function show_time(){ var time_now = new Date(); // 獲取當(dāng)前時(shí)間 time_now = time_now.getTime(); var time_distance = time_end - time_now; // 結(jié)束時(shí)間減去當(dāng)前時(shí)間 var int_day, int_hour, int_minute, int_second; if(time_distance >= 0){ // 天時(shí)分秒換算 int_day = Math.floor(time_distance/86400000) time_distance -= int_day * 86400000; int_hour = Math.floor(time_distance/3600000) time_distance -= int_hour * 3600000; int_minute = Math.floor(time_distance/60000) time_distance -= int_minute * 60000; int_second = Math.floor(time_distance/1000) // 時(shí)分秒為單數(shù)時(shí)、前面加零站位 if(int_hour < 10) int_hour = "0" + int_hour; if(int_minute < 10) int_minute = "0" + int_minute; if(int_second < 10) int_second = "0" + int_second; // 顯示時(shí)間 time_d.innerHTML = int_day; time_h.innerHTML = int_hour; time_m.innerHTML = int_minute; time_s.innerHTML = int_second; setTimeout("show_time()",1000); }else{ time_d.innerHTML = time_d.innerHTML; time_h.innerHTML = time_h.innerHTML; time_m.innerHTML = time_m.innerHTML; time_s.innerHTML = time_s.innerHTML; // clearTimeout(timerID) } }; </script>
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