距离2012建政日还剩
var ndt=new Date(2012,9,1,0,0,0,0); function countDown(){ var diff=ndt-new Date(); document.getElementById("Display").innerHTML= parseInt(diff/1000/3600/24)+"天"+parseInt(diff/1000/3600%24)+"小时"+ parseInt(diff/1000/60%60)+"分"+parseInt(diff/1000%60)+"秒"+parseInt(diff%1000)+"毫秒"; } setInterval("countDown()",1);
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以下是我自己调的倒计时,感觉浏览器的interval时间好像比较慢,自己调了一下:
var t =20*1000;//毫秒数 function showtime(){ var m = parseInt(t/1000/60%60); if(m<10){ m="0"+m; } var s = parseInt(t/1000%60); if(s<10){ s="0"+s; } var ms = parseInt(t%1000); if(ms<10){ ms="0"+ms; } var c=(m=="00")?"00分":'<span>'+m+' </span> 分 '; var d=(s=="00")?"00秒":'<span>'+s+' </span> 秒'; var e=(ms=="04")?"00毫秒":'<span>'+ms.toString().substring(0,2)+' </span> 毫秒'; //debugger; $('.countdown').html(c+d+e); t = t -4; if(t==0){ clearInterval(interval); } } showtime(); var interval= setInterval("showtime()",1);