chuckya/public/clock.js

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JavaScript
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2017-05-29 09:09:12 +09:00
document.addEventListener("DOMContentLoaded", function(event) {
updateClock();
setInterval(updateClock, 1000);
});
function updateClock() {
var clock = document.querySelector(".closed-registrations-message .clock");
var now = new Date();
var open = new Date(now.getUTCFullYear(), now.getUTCMonth(), now.getUTCDate());
var ts = open.setUTCHours(19);
if (open - now < 0) {
open = new Date(ts + 24*60*60*1000);
}
var until = open - now;
var ms = until % 1000;
var s = Math.floor((until / 1000)) % 60;
var m = Math.floor((until / 1000 / 60)) % 60;
var h = Math.floor((until / 1000 / 60 / 60));
if (m < 10) m = "0" + m;
if (s < 10) s = "0" + s;
clock.innerHTML = h + ":" + m + ":" + s;
}