js毫秒倒计时效果,js倒计时效果,js倒计时本文实例为大家分享了精确到毫秒的倒计时效果，供大家参考，具体内容如下 <!DOCTYPE html><html> <head> <meta charset="UTF-8"> <meta name="viewport" content="initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no"> <title></title> <style> div{ width: 100%; height: 50px; margin-bottom: 5px; background: yellowgreen; } </style> </head> <body> <h2>毫秒的倒计时</h2> <div id="timer1"></div> <div id="timer2"></div> <div id="timer3"></div> <div id="timer4"></div> <script> var addTimer = function(){ var list = [], interval; return function(id,timeStamp){ if(!interval){ interval = setInterval(go,1); } list.push({ele:document.getElementById(id),time:timeStamp}); } function go() { for (var i = 0; i < list.length; i++) { list[i].ele.innerHTML = changeTimeStamp(list[i].time); if (!list[i].time) list.splice(i--, 1); } } //传入unix时间戳，得到倒计时 function changeTimeStamp(timeStamp){ var distancetime = new Date(timeStamp*1000).getTime() - new Date().getTime(); if(distancetime > 0){ //如果大于0.说明尚未到达截止时间 var ms = Math.floor(distancetime%1000); var sec = Math.floor(distancetime/1000%60); var min = Math.floor(distancetime/1000/60%60); var hour =Math.floor(distancetime/1000/60/60%24); if(ms<100){ ms = "0"+ ms; } if(sec<10){ sec = "0"+ sec; } if(min<10){ min = "0"+ min; } if(hour<10){ hour = "0"+ hour; } return hour + ":" +min + ":" +sec + ":" +ms; }else{ //若否，就是已经到截止时间了 return "已截止！" } } }(); addTimer("timer1",1451923200);//1月5日00点，unix时间戳自己去百度一下，就有的 addTimer("timer2",1451926800);//1月5日01点 addTimer("timer3",1451930400);//1月5日02点 addTimer("timer4",1452020400);//1月6日03点 </script> </body></html>以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持wanshiok.com。
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