javascript 남은시간 계산하기

 

 

 

 

 

 

javascript 남은시간 계산

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<script language=javascript> 

function getTime() { 

now = new Date();

dday = new Date(2019,02,01,10,30,59);

// 원하는 날짜, 시간 정확하게 초단위까지 기입.

days = (dday - now) / 1000 / 60 / 60 / 24; 

daysRound = Math.floor(days); 

hours = (dday - now) / 1000 / 60 / 60 - (24 * daysRound); 

hoursRound = Math.floor(hours); 

minutes = (dday - now) / 1000 / 60 - (24 * 60 * daysRound) - (60 * hoursRound); 

minutesRound = Math.floor(minutes); 

seconds = (dday - now) / 1000 - (24 * 60 * 60 * daysRound) - (60 * 60 * hoursRound) - (60 * minutesRound); 

secondsRound = Math.round(seconds); 

document.getElementById("counter0").innerHTML = daysRound;

document.getElementById("counter1").innerHTML = hoursRound; 

document.getElementById("counter2").innerHTML = minutesRound; 

document.getElementById("counter3").innerHTML = secondsRound; 

newtime = window.setTimeout("getTime();", 1000); 

} 

</script>

<div id=count>

    <span id="counter1"></span>

    <p>일</p>

    <span id="counter2"></span>

    <p>시간</p>

    <span id="counter3"></span>

    <p>분</p>

    <span id="counter4"></span>

    <p>초</p>

</div>

<script>getTime()</script>