window.onload = function(){ function countTime(){ //获取当前时间 var date = new Date(); var now = date.getTime(); //设置截止时间 var endDate = new Date("10/10/2018"); var end = endDate.getTime(); //时间差 var leftTime = end-now; //定义变量 d,h,m,s保存倒计时的时间 var d,h,m,s; if (leftTime>=0) { d = Math.floor(leftTime/1000/60/60/24); h = Math.floor(leftTime/1000/60/60%24); m = Math.floor(leftTime/1000/60%60); s = Math.floor(leftTime/1000%60); } //将倒计时赋值到div中 document.getElementById("day").innerHTML = d; document.getElementById("hour").innerHTML = h; document.getElementById("minute").innerHTML = m; document.getElementById("seconds").innerHTML = s; } setInterval(countTime,1000); }
一段倒计时的js代码
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转载自blog.csdn.net/lgl_19910331/article/details/81946460
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