タイマーが毎日半分に設定されていることを確認するにはどうすればよいですか？Javascriptで特定の日付について言及する必要はありませんか？

タイマーが毎日半分に設定されていることを確認するにはどうすればよいですか？Javascriptで特定の日付について言及する必要はありませんか？また、フォームの代わりにdivやpに出力を表示する方法もあります。あなたが特定の時間帯に発生する何かをしたい場合は、ユーザーが簡単にクロックを変更できるようタイマーが毎日半分に設定されていることを確認するにはどうすればよいですか？Javascriptで特定の日付について言及する必要はありませんか？

<!DOCTYPE html> 
 

 
<head> 
 
<meta http-equiv="Content-Type" content="text/html;charset=utf-8"> 
 
<title>jQuery Countdown</title> 
 
</head> 
 

 
<body> 
 
<script language="javascript" type="text/javascript"> 
 

 
    function getTime() { 
 
     now = new Date(); 
 
     orderBy = new Date("May 17 2016 16:30:00"); 
 
     //days = (orderBy - now)/1000/60/60/24; 
 
     daysRound = Math.floor(days); 
 
     hours = (orderBy - now)/1000/60/60 - (24 * daysRound); 
 
     hoursRound = Math.floor(hours); 
 
     minutes = (orderBy - now)/1000 /60 - (24 * 60 * daysRound) - (60 * hoursRound); 
 
     minutesRound = Math.floor(minutes); 
 
     seconds = (orderBy - now)/1000 - (24 * 60 * 60 * daysRound) - (60 * 60 * hoursRound) - (60 * minutesRound); 
 
     secondsRound = Math.round(seconds); 
 
     sec = (secondsRound == 1) ? "" : ""; 
 
     min = (minutesRound == 1) ? " : " : " : "; 
 
     hr = (hoursRound == 1) ? " : " : " : "; 
 
     //dy = (daysRound == 1) ? " day" : " days, "; 
 
     document.timeForm.input1.value = "Check again before " + hoursRound + hr + minutesRound + min + secondsRound + sec; 
 
     newtime = window.setTimeout("getTime();", 1000); 
 
    } 
 
    window.onload=getTime; 
 

 
    if (days = 0){ 
 
     days.style.display = "none"; 
 
    } 
 
</script> 
 

 
<form name=timeForm> 
 
    <input type=text name=input1 size=50 border-style="none" style="display: block; border: none; font-size: 14px; font-family: sans-serif"> 
 
</form> 
 

 
</body> 
 
</html>

出典

2016-05-17 JSEveryday

一般的に、あなたは、そのためSERVERTIMEを使用したいです彼/彼女のコンピュータ。 – adeneo

ここでデモを行うことができますか？ありがとう – JSEveryday

<!DOCTYPE html> 
 

 
<head> 
 
<meta http-equiv="Content-Type" content="text/html;charset=utf-8"> 
 
<title>jQuery Countdown</title> 
 
</head> 
 

 
<body> 
 
<script language="javascript" type="text/javascript"> 
 

 
\t function getTime() { 
 
\t \t now = new Date(); 
 

 
\t \t /* 
 
\t \t \t Use todays date to calculate tomorrows alarm 
 
\t \t */ 
 

 
\t \t var day = now.getDate() 
 
\t \t /*console.log('today: ' + day)*/ 
 

 
\t \t var monthsAbbrev = [ 
 
\t \t \t "Jan", 
 
\t \t \t "Feb", 
 
\t \t \t "Mar", 
 
\t \t \t "Apr", 
 
\t \t \t "May", 
 
\t \t \t "June", 
 
\t \t \t "July", 
 
\t \t \t "Aug", 
 
\t \t \t "Sept", 
 
\t \t \t "Oct", 
 
\t \t \t "Nov", 
 
\t \t \t "Dec" 
 
\t \t ]; 
 
\t \t var index = now.getMonth() 
 
\t \t var month = monthsAbbrev[ index ] 
 
\t \t /*console.log('month: ' + month)*/ 
 

 
\t \t var year = now.getFullYear() 
 
\t \t /*console.log('year: ' + year)*/ 
 

 

 

 

 
\t \t var monthsWith31days = [ 
 
\t \t \t "Jan", 
 
\t \t \t "Mar", 
 
\t \t \t "May", 
 
\t \t \t "July", 
 
\t \t \t "Aug", 
 
\t \t \t "Oct", 
 
\t \t \t "Dec" 
 
\t \t ]; 
 

 
\t \t var monthsWith30days = [ 
 
\t \t \t "Apr", 
 
\t \t \t "June", 
 
\t \t \t "Sept", 
 
\t \t \t "Nov" 
 
\t \t ]; 
 

 

 
\t \t var alarm = "04:30:00 PM" 
 
\t \t var time = now.toLocaleTimeString() /* "HH:MM:ss AM/PM" */ 
 
\t \t /*console.log('time: ' + time) 
 
\t \t console.log('is it true??' + (time >= alarm))*/ 
 
\t \t if (time >= alarm) { 
 
\t \t \t console.log('today is ' + day) 
 

 
\t \t \t var maxIs31 = new RegExp("(" + monthsWith31days.join("|") + ")").test(month) 
 
\t \t \t var maxIs30 = new RegExp("(" + monthsWith30days.join("|") + ")").test(month) 
 
\t \t \t var monthIsFeb = /(Feb)/.test(month) 
 

 
\t \t \t /*console.log('maxIs31: ' + maxIs31) 
 
\t \t \t console.log('maxIs30: ' + maxIs30) 
 
\t \t \t console.log('monthIsFeb: ' + monthIsFeb)*/ 
 

 
\t \t \t if (maxIs31) { 
 
\t \t \t \t (day >= 31) ? (day = 1) : (day +=1) 
 
\t \t \t } else if (maxIs30) { 
 
\t \t \t \t (day >= 30) ? (day = 1) : (day +=1) 
 
\t \t \t } else if (monthIsFeb) { 
 
\t \t \t \t if (parseInt(year, 10) % 4 === 0) { 
 
\t \t \t \t \t /* its a leap year */ 
 
\t \t \t \t \t (day >= 29) ? (day = 1) : (day += 1) 
 
\t \t \t \t } else { 
 
\t \t \t \t \t (day >= 28) ? (day = 1) : (day += 1) 
 
\t \t \t \t } 
 
\t \t \t } 
 
\t \t \t console.log('tomorrow wil be?? ' + day) 
 
\t \t } 
 

 

 
\t \t /* 
 

 
\t \t \t Now set tomorrows alarm only if its gone off today 
 
\t \t */ 
 
\t \t orderBy = new Date(month +" "+ day +" "+ year +" "+ alarm); 
 

 

 
\t \t days = (orderBy - now)/1000/60/60/24; 
 
\t \t daysRound = Math.floor(days); 
 
\t \t hours = (orderBy - now)/1000/60/60 - (24 * daysRound); 
 
\t \t hoursRound = Math.floor(hours); 
 
\t \t minutes = (orderBy - now)/1000 /60 - (24 * 60 * daysRound) - (60 * hoursRound); 
 
\t \t minutesRound = Math.floor(minutes); 
 
\t \t seconds = (orderBy - now)/1000 - (24 * 60 * 60 * daysRound) - (60 * 60 * hoursRound) - (60 * minutesRound); 
 
\t \t secondsRound = Math.round(seconds); 
 
\t \t sec = (secondsRound == 1) ? "" : ""; 
 
\t \t min = (minutesRound == 1) ? " : " : " : "; 
 
\t \t hr = (hoursRound == 1) ? " : " : " : "; 
 
\t \t //dy = (daysRound == 1) ? " day" : " days, "; 
 
\t \t document.timeForm.input1.value = "Check again before " + hoursRound + hr + minutesRound + min + secondsRound + sec; 
 
\t \t newtime = window.setTimeout("getTime();", 1000); 
 
\t } 
 
\t window.onload=getTime; 
 

 
\t if (days = 0){ 
 
\t \t days.style.display = "none"; 
 
\t } 
 
</script> 
 

 
<form name="timeForm"> 
 
\t <input type="text" name="input1" size="50" border-style="none" style="display: block; border: none; font-size: 14px; font-family: sans-serif"> 
 
</form> 
 

 
</body> 
 
</html>

出典

2016-05-17 02:58:35

タイマーが毎日半分に設定されていることを確認するにはどうすればよいですか？Javascriptで特定の日付について言及する必要はありませんか？

答えて

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