<html>
<head>
<title>Bài tập trắc nghiệm Toán</title>
<meta charset="utf-8">
</head>
<body>
<style type="text/css">
#clockdiv h2{font-family:'Roboto';font-weight:100;color:#034688;text-align:center;font-size:40px;margin:0 0 16px}
#clockdiv{font-family:sans-serif;color:#fff;background:rgba(255,255,255,0.63);display:inline-block;font-weight:100;text-align:center;font-size:30px;margin:20px auto;padding:20px;width:100%}
#clockdiv > div{padding:10px 35px;border-radius:3px;background:#034688;display:inline-block}
#clockdiv div > span{padding:0;border-radius:3px;font-size:58px;display:inline-block}
#clockdiv .smalltext{padding-top:5px;font-size:16px}
</style>
<div id="clockdiv">
<h2>Thời gian làm bài</h2>
<div>
<span class="days"></span>
<div class="smalltext">Ngày</div>
</div>
<div>
<span class="hours"></span>
<div class="smalltext">Giờ</div>
</div>
<div>
<span class="minutes"></span>
<div class="smalltext">Phút</div>
</div>
<div>
<span class="seconds"></span>
<div class="smalltext">Giây</div>
</div>
</div>
<script type='text/javascript'>
//<![CDATA[
function getTimeRemaining(endtime) {
var t = Date.parse(endtime) - Date.parse(new Date());
var seconds = Math.floor((t / 1000) % 60);
var minutes = Math.floor((t / 1000 / 60) % 60);
var hours = Math.floor((t / (1000 * 60 * 60)) % 24);
var days = Math.floor(t / (1000 * 60 * 60 * 24));
return {
'total': t,
'days': days,
'hours': hours,
'minutes': minutes,
'seconds': seconds
};
}
function initializeClock(id, endtime) {
var clock = document.getElementById(id);
var daysSpan = clock.querySelector('.days');
var hoursSpan = clock.querySelector('.hours');
var minutesSpan = clock.querySelector('.minutes');
var secondsSpan = clock.querySelector('.seconds');
function updateClock() {
var t = getTimeRemaining(endtime);
daysSpan.innerHTML = t.days;
hoursSpan.innerHTML = ('0' + t.hours).slice(-2);
minutesSpan.innerHTML = ('0' + t.minutes).slice(-2);
secondsSpan.innerHTML = ('0' + t.seconds).slice(-2);
if (t.total <= 0) {
clearInterval(timeinterval);
}
}
updateClock();
var timeinterval = setInterval(updateClock, 1000);
}
var deadline = new Date(Date.parse(new Date()) + 1 * 1 * 40 * 60 * 1000);
initializeClock('clockdiv', deadline);
//]]>
</script>
<center>
<table border="0">
<tr>
<th><iframe src="https://drive.google.com/file/d/19zqeBoencvX97JlmVwxf1yJRhFJwH4h1/preview" width="1000" height="600" frameborder="0" marginheight="0" marginwidth="0">Đang tải…</iframe>
</th>
<th>
<iframe src="https://docs.google.com/forms/d/e/1FAIpQLScsW3Nxb6UXQVY2caJMo8g51cZ7-dij7_SwpJlxGRXWFed8Zg/viewform?embedded=true" width="360" height="580" frameborder="0" marginheight="0" marginwidth="0">Đang tải…</iframe>
<center><font color="blue">Giáo viên: Trần Anh Minh </font></center>
</th>
</tr>
</table>
</center>
</body>
</html>